Energy Efficient Appliances - 1990-91

Transcription

CONTENTS
...................... 1
Introduction. . . . . . . . .......................
Refrigerators. . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . .4
Freezers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clothes Washers and Dishwashers. . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . .9
Water Heaters.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ll
Room Air Conditioners. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .I4
Central Air Conditioners. . . . . . . . . . . . . . . . . . . . . . . . . . .. , . . . . . . . . . . . . . .16
Central Heat Pumps.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Gas Furnaces and Boilers. . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . , . . . .20
Oil Furnacesand Boilers..........................................
23
Comparison Shopping and Lifecycle Costs. . . . . . . . . . . . . . . . . . . . . . . . .26
For Morelnformation.............................................. 28
~
~
-.A!--
THE POWER IS IN YOUR HANDS.
USE IT W1SEl.Y.
The Most Energy-Efficient Appliances-1991 Edition
Copyright @ 1991 by the American Council for an Energy-Efficient
Economy, Washington, D.G.
?
.
INTRODUCTION
The Importance of Energy-Efficient Appliances
Using appliances and heating and cooling equipment costs an average
household more than $1000 per year. You can sharply reduce your own
energy bill by using high-efficiency appliances and space conditioning
equipment. Highly efficient appliances may be slightly more expensive to
buy than comparable models with lower or average efficiencies. However,
the extra first cost for a more efficient appliance is paid back through
reduced energy bills long before the product wears out.
Energy-efficient appliances also have a positive effect on the national
economy and the environment. The efficient use of oil, gas, and electricity
cuts petroleum imports, improves US. economic competitiveness, and
reduces the environmental degradation associated with energy production
and use.
One-third of the electricity produced in the U.S. is consumed in our homes.
Refrigerators alone use the equivalent of the output of over 20 large nuclear
power plants-about 5% of the nation’s total electricity consumption. If all
the households in the US. had the most efficient refrigerators currently
available, the electricity savings would eliminate the need for about 10 large
power plants!
National Appliance Efficiency Standards
On March 17, 1987, President Reagan signed into law the National
Appliance Energy Conservation Act of 1987. This law established minimum
efficiency standards for major home appliances and heating and cooling
equipment. The standards for clothes washers and dishwashers took effect
January 1, 1988, requiring a cold water rinse option on new models. The
standards for most other appliances took effect on January 1, 1990. The
standards for central air conditioners and furnaces will not take effect until
1992, because it will take longer to make the necessary changes in these
larger products.
We estimate that these standards will save consumers at least $28 billion
over the lifetimes of the products sold through the year 2000, or about $300
per household. Furthermore, the standards will reduce peak electricity
demand by the equivalent of 25 large power plants.
Even though the standards eliminate the production of energy-guzzling
appliances, consumers can still benefit from selecting highly-efficient
appliances that significantly exceed the national appliance efficiency
standards. These high efficiency appliances provide the opportunity to
achieve substantial energy savings. Appliances are still available over a
broad range of efficiencies, and consumers would be wise to shop carefully
1
for efficient models. After all, the air conditioner, furnace, or refrigerator you
buy today will still be in use 15 or 20 years from now.
Utility Rebate Programs
Some utilities offer rebates to consumers who purchase energy-efficient
appliances. Rebates reduce the net purchase price of high-efficiency
models, making them even more attractive to consumers. By offering
incentives for the purchase of high-efficiency equipment, utilities are buying
energy “supplied” through conservation at a lower cost than through
traditional means, such as building new power plants.
Rebates are most common on high-efficiency heat pumps and central air
conditioners. Rebates on room air conditioners and water heaters are also
sometimes available. Rebate programs are more common among electric
companies than gas companies, although some gas utilities offer rebates
for high-efficiency furnaces and other products. If you plan to buy a major
appliance soon, ask your utility if they offer rebates for efficient models.
The Information in this Booklet
This booklet lists, to the best of our knowledge, the most energy-efficient
residential appliances available in the US. as of July, 1990. Because of
space limitations, only the very highest-rated models are listed within each
appliance category. The models listed here represent fewer than 5% of all
the different models currently available. Many more appliances are above
average in terms of efficiency, but space limitations prevent us from listing
them all.
Our lists are based on information in the most recent product directories
published by the appliance industry associations. We have tried to include
highly efficient models not listed in the directories where information is
available. However, we only include models that are mass-produced and
widely-distributed in the US. Also, we only include products for which there
are standardized efficiency ratings. Therefore, this booklet does not cover
ranges, ovens, clothes dryers, solar water heaters, wood stoves, tankless
water heaters, portable space heaters, or air-to-air heat exchangers.
1
The efficiency ratings are based on the standardized tests that manufacturers are required to conduct on their products. The same test ratings are
used on the yellow EnergyGuide labels now required for most home
appliances. The lists of refrigerators, freezers, clothes washers, and
dishwashers include the estimated annual energy cost as it appears on the
most recent EnergyGuide labels. The base price of energy (such as the
cost per kilowatt-hour of electricity) used to determine the price on the
EnergyGuide labels has changed in recent years. Some labels based on
the older, cheaper cost can still be found in showrooms. Therefore, when
comparing EnergyGuide labels, use the same energy price.
The lists of furnaces, boilers, water heaters, air conditioners and heat
pumps include their efficiency ratings instead of estimated energy use and
cost. The energy use for these appliances varies greatly from house to
house depending on climate, family size, and other factors. But the
efficiency rating is a good indicator of relative energy use and operating
cost-the higher the efficiency, the lower the energy use and operating cost.
We realize that energy performance is one of several important criteria for
selecting home appliances. We do not collect information on product
reliability and other concerns. However, energy-efficient appliances are
generally high quality products due to the better materials and components
used in their construction.
The model numbers in this booklet are used by manufacturers in their
product directories. In some cases, appliance dealers use abbreviated
model numbers (for example, dropping the first number or letter). An asterisk
(*) appearing in a model number indicates a digit or letter that varies with
features of the appliance not affecting efficiency and capacity (for example,
color).
How to Use This Information
When you buy an appliance, you pay more than just the sales price-you
commit yourself to paying the cost of running the appliance for as long as
you own it. These energy costs can add up. For example, running a
refrigerator for 15-20 years typically costs three times as much as the initial
price of the refrigerator.
The sum of the purchase price and the energy costs of running an
appliance over its lifetime is called its lifecycle cost. The lifecycle costs of
energy-efficientappliances are typically lower than the lifecycle costs of
average models. Worksheets for comparing the lifecycle costs of different
models of appliances are provided on page 27 of this guide.
When shopping for major appliances, you may want to call several stores
or dealers to check the price and availability of different models. Ask the
salesperson for information about the efficiency of each model. The yellow
EnergyGuide labels can help you compare similar models. We recommend
that you disregard the ranges listed on the EnergyGuide labels, since they
have not been updated for some time. In comparison shopping, use only the
information given for the particular models you are considering.
If you cannot find some of the models listed in this guide, you can still use
the information in this booklet to your advantage. Compare the efficiencies
of the models you can find to those listed here. The models listed in this
booklet represent a very small fraction of all the new appliances now
available; you may find products that just missed getting listed in this edition.
3
REFRlGERATORS
The energy efficiency of refrigerators has improved considerably over the
past fifteen years. A typical new refrigerator with automatic defrost and a
top-mounted freezer uses about 1000 kWh per year, whereas the typical
model sold in 1973 used about 2000 kWh per year.
The 1990 National Appliance Efficiency Standards specify the maximum
electricity consumption allowed by refrigerators, according to volume and
features. On average, the 1990 standards result in a 343% improvement in
average efficiency over 1989 and earlier models. An even greater jump in
efficiency will occur in 1993 when the next phase of the standards take
effect.
The models listed below are grouped by door style, defrosting capability
and volume. Models are listed within each group in order of increasing
electricity use. If two different sized refrigerators use the same amount of
electricity per year, the larger model would be considered more efficient
because it keeps more space cold with the same amount of electricity.
The energy costs shown below are based on an electricity price of 8 cents
per kWh. Your actual energy cost may differ depending on the price of
electricity in your area and how you use the refrigerator.
Brand
Model
Volume
kWhlyr
Single door, manual defrost, 10.5 to 14.4 cubic feet
Frigidaire
D-l3P-0
13.0
500
Kelvinator
SSXl30EM1*
13.0
500
500
White-Westinghouse
RC131LVO
13.0
White-Westinghouse
RC131LL'O
13.0
500
Kenmore
86611*O
11.6
489
Sanyo
SR 1058
11.6
489
10.6
511
General Electric
TAl 1s'
SSDllCK
10.6
511
Hotpoint
8381 0'
10.5
511
Kenmore
I
Annual
energy
cost
@Eelkwh
40
40
40
40
39
39
41
41
41
Top freezer, partial automatic defrost, 12.0 to 16.4 cubic feet
12.0
204
Sun Frost'
RF-12
16.0
288
Sun Frost'
RF-16
14.6
770
General Electric
TB15SL
16
23
62
Hotpoint
Magic Chef
Magic Chef
Kenmore
Kenmore
CTA 15CL
RB15E-1P
RBI 5G
83851
Frigidaire
Frigidaire
White-Westinghouse
White-Westinghouse
4
83831 *
14.6
14.6
14.6
14.5
13.7
770
770
770
770
735
62
62
62
62
59
FCD-14TP-0
FCD-l4TF*-1
RT142GC*5
RT142GL*5
14.0
14.0
14.0
14.0
766
766
767
767
62
62
62
62
~~
MOST EFFICIENT REFRIGERATORS (cont.)
Brand
Model
Volume
kWhlyr
Top freezer, automatic defrost, 14.5 to 16.4 cubic feet
Kelvinator
Kenmore
Kenmore
Kenmore
White-Westinghouse
Frigidaire
Frigidaire
Gibson
White-Westinghouse
White-Westinghouse
Frigidaire
Kelvinator
Gibson
Gibson
Kenmore
Philco
Philco
Philco
TaDDan
Tappan
Tappan
TaDDan
..
Frigidaire
Frigidaire
Frigidaire
Frigidaire
Friaidaire
Frigidaire
Frigidaire
Frigidaire
Frigidaire
Gibson
Gibson
Philco
Philco
White-Westinghouse
White-Westinghouse
White-Westinghouse
White-Westinghouse
White-Westinghouse
White-Westinahouse
TPK160BNP
16.0
86960'1
16.0
87960*1
16.0
87962**
16.0
16.5 to 18.4 cubic feet
RTl7*MC'O
17.0
FP'-17TF'-O
16.6
FPD-l7TIF'-*
16.6
RT17F**U3'
16.6
RTl74LC'l
16.6
RTl74ZC*1
16.6
FPCI-l8TIE*-I
18.0
TPK 180ZN1*
18.0
RTl7F**T3'
16.6
RT17F7'P3A
16.6
83877**
16.6
PGTN17**A'
16.6
PRD17A61**
16.6
YPRD17A61*0
16.6
95-1757-**-2
16.6
Annual
energy
cost
68plkWh
766
766
766
766
62
62
62
62
766
766
766
766
766
766
840
840
840
840
840
840
840
840
840
62
62
62
62
62
62
68
68
68
68
68
68
68
68
68
95-1757-*'-3
16.6
95-1787-**-3
16.6
95-1787-**-4
16.6
FPCE-l9TF'-O
18.6
FPCI-l9TF*-0
18.6
FPCI-l9TIF*-O
18.6
FPCI-l9TIF*-l
18.6
FPD-l9TF*-O
18.6
FPE-l9TF*-0
18.6
FPE-19TIF'-1
18.6
FPES-l9TF*-0
18.6
FPZ-l9TF*-O
18.6
RT19F*U36
18.6
840
840
840
68
68
68
839
839
839
839
839
839
839
839
839
839
68
68
68
68
68
68
68
68
68
68
RT19F9*V3B
PGTN198'AO
PGTNl98*A1
RTl93MC*0
RT194ZC'l
RTl95MC*0
RT196MC**
RT197MC*0
RT199MC'*
839
839
839
839
839
839
839
839
839
68
68
68
68
68
68
68
68
68
18.6
18.6
18.6
18.6
18.6
18.6
18.6
18.6
18.6
1. This brand available by special order from Sun Frost (Arcata, California) only.
5
Brand
General Electric
Hotpoint
Kenmore
Kenmore
General Electric
Hotpoint
Hotpoint
Kelvinator
Gibson
Gibson
Kelvinator
Kenmore
Kenmore
Kenmore
Kenmore
Kenmore
Kenmore
Kenmore
Kenmore
Kenmore
Kenmore
Kenmore
Kenmore
Kenmore
Kenmore
Philco
Philco
Philco
Philco
Tappan
White-Westinghouse
White-Westinghouse
Frigidaire
Frigidaire
Frigidaire
Frigidaire
Frigidaire
Frigidaire
Frigidaire
Frigidaire
Gibson
Kelvinator
Kelvinator
Kelvinator
Model
Volume
TBX22ZL
21.7
CTX22GL
21.7
87927*
21.6
21.6
86927*
TBX21*L
20.7
CTX21*L
20.7
MTX21*M
20.7
20.6
96017'0
RT21F7*SB'
20.6
RT21F6'T3'
20.6
kWh/yr
Annual
energy
cost
@Se/kWh
944
944
944
944
941
941
944
942
945
945
76
76
76
76
76
76
76
76
76
76
~
97017'0
8381 2*0
8651 5*
86901**
86912"
86915*
87515'
87901'2
87901'3
87912*2
87912*3
8791 5*
93012*0
93017'0
96001'0
PRD21A61*O
TPRD21A61 *O
PGTN21* * A 0
RD21LbMRO
95-2187-"-5
RT21*JC**
RT21*MC"
FPCE-21TF*-*
FPCI-21TIF'-*
FPCE-21TIF*-O
FPCE-21TIL*-*
FPCI-21TF'-*
FPE-21TF'-*
FPS-21TL*-*
FPZ-21TF'-*
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
942
942
944
944
944
944
944
944
944
944
944
944
944
944
944
944
944
944
944
944
944
944
945
945
945
945
945
945
945
945
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
76
RT21F 6 ' W
TMK206ENl.
TS1206EN2*
TSK206EN**
20.6
20.6
20.6
20.6
945
945
945
945
76
76
76
76
Model
Volume
kWh/yr
Side-by-side freezer, automatic defrost 18.5 to 20.4 cubic feet
Amana
w20*
19.9
1032
Amana
36071
19.9
1033
Amana
36078
19.9
1033
Maytag
RS'20A
20.2
1133
Admiral
NS20L7
20.0
1124
Crosley
CNS20V6
20.0
1124
Jenn-Air
JRS203
20.0
1124
Magic Chef
RC20K'-2A
20.0
1124
Montgomery Ward
HMG19100
20.0
1124
Montgomery Ward
HMG21*04
20.0
1124
Norge
NNS207K
20.0
1124
Norge
20.0
1124
NNS208K
Amana
19.4
1100
SCI9J
Whirlpool
ED20AK*S*lt
20.0
1147
WhirlDool
ED20HK*W'O*
20.0
1147
Whirlpool
ED20PK*S*l'
20.0
1147
Whirlpool
ED20PK'WO*
19.9
1147
Whirlpool
ED20ZK'W*O*
19.9
1147
Kenmore
8490***
19.8
1146
Kenmore
94000**
19.8
1149
Kenmore
95104**
19.8
1149
Frigidaire
FPCIS-22VL*-O
22.0
1117
RSD22A
21.8
1117
Maytag
Amana
22.4
1159
SC22J
Amana
SX22J
22.4
1159
Amana
SL22JB
22.4
1159
General Electric
21.8
1157
TFX22DL
General Electric
21.8
1157
TFX22ZL
Hotpoint
21.8
1157
CSXH22GL
RCA
21.8
1157
MSX22GL
Maytag
RSW22A
21.6
1147
Whirlpool
ED22PK*S*O'
21.8
1162
Whirlpool
21.8
1162
ED22PM*S*0
General Electric
21.7
1157
TFXH22KL
Frigidaire
FPCE-24VP-0
1117
24.0
Maytag
RSD24A
1124
23.8
Amana
36551
25.2
1199
Amana
36558
25.2
1199
Amana
SC25J
25.2
1199
Amana
SC25JP
25.2
1199
Amana
SL25J
25.2
1199
Amana
SX25J
25.2
1199
Brand
Annual
energy
cost
88flkWh
83
83
83
91
90
90
90
90
90
90
90
90
89
92
92
92
92
92
92
92
92
-
90
90
93
93
93
93
93
93
93
92
93
93
93
~
90
90
96
96
96
96
96
96
NOTE: Models are ranked according to their relative efficiency, as determined by the cubic feet of
refrigerated space divided by the annual energy consumption.
7
The energy efficiency of freezers has improved over the past decade,
though at a slower rate than refrigerators. Like refrigerators, the national
standards for freezers took effect in 1990.
Annual
Energy
Cost @
7.7ClkWh
Brand
Model
Volume
Upright freezer, manual defrost, 10.0 to 15.4 cubic feet
25
Sun Frost*
F-10
10.0
47
Amana
ESUl3D
13.0
White-Westinghouse
FUl68LRW3
16.1
49
Amana
ESU15D
15.0
52
Amana
ESU17D
17.0
56
Sun Frost*
F-19
19.0
36
Coronado
UG21A
21.2
62
Frigidaire
UF-21N-L*l
21.2
62
21.2
62
General Electric
CA21 DL-D
Gibson
FV21M2WSFG
21.2
62
Gibson
FV21M8WSFE
21.2
62
Gibson
FV21M9WXFA
21.2
62
21.2
62
Hotpoint
FV2I CL-D
Imperial
UG21A
21.2
62
Imperial
UL2164ECWl
21.2
62
Imperial
UL2483ECW1
21.2
62
Kelvinator
UFP212FM3W
21.2
62
Marquette
UG21A
21.2
62
Montgomery Ward
FFT49669-0
21.2
62
21.2
62
Tappan
98-2188-002
White-Westinghouse
FU211LRW3
21.2
62
21.2
62
White-Westinghouse
FU218LRW3
Whirlpool
EV19OF*S*O
19.2
58
Whirlpool
EV19OF*W*O
19.1
58
Friaidaire
UFSl9N-L'1
19.3
59
59
19.3
General Electric
CAI 9DL-D
Gibson
FVI 9M8WWFC
19.3
59
Hotpoint
FV19CL-D
19.3
59
Imperial
UC2075ECWl'
59
19.3
Kenmore
20938
59
19.3
Montgomery Ward
FFT49269-0
59
19.3
White-Westinghouse
FUl96LRW3
59
19.3
Wood's
*U60
20.9
64
~
1
*This brand available by special order from Sun Frost (Arcata, Calif.) only.
kWh
Yr
311
585
609
647
697
450
771
77 1
77 1
771
771
771
771
77 1
77 1
771
771
771
771
77 1
771
771
721
72 1
734
734
734
734
734
734
734
734
796
,
MOST EFFICIENT FREEZERS (cont.)
Brand
Model
Volume
Chest freezer, manual defrost, 13.5 to
Admiral
C17HE
Crosley
C17HE
Magic Chef
C17HE
Admiral
C15HS
Crosley
C15HS
General Electric
CB15DL
Hotpoint
FH15CL
Magic Chef
C15HS
Whirlpool
EH15OF*V*O*
Wood’s
*C42
General
GC15
Admiral
C20HE
Crosley
C20HE
Magic Chef
C20HE
Admiral
C22HS
Crosley
C22HS
Magic Chef
C22HS
Whirlpool
EH220F*V*0*
Wood’s
*C62
General
GC20
Annual
Energy
Cost @IkWh
7.7elkWh
Yr
17.4 cubic feet
16.5
16.5
16.5
14.8
14.8
14.8
14.8
14.8
14.8
14.8
14.8
35
35
35
37
37
37
37
37
37
37
38
20.3
20.3
20.3
21.7
21.7
21.7
21.7
21.7
20.4
41
41
41
47
47
47
47
47
50
___
435
435
435
460
460
__
460
460
460
460
460
473
510
510
510
585
585
585
585
585
622
DISHWASHERS AND CLOTHES WASHERS
Most of the cost of running dishwashers and clothes washers is for heating
water. Therefore, an efficient water heater helps reduce the costs associated with these appliances. The annual energy costs shown below are
based on a typical electric water heater and an electricity price of 7.7 cents/
kWh (the prices used on the most recent yellow EnergyGuide labels).
9
J
MOST EFFICIENT DISHWASHERS
Brand
Model
kwhlcvcle
Annual
Energy
Cost @
7.7elkWh
Standard (holding more than 8 place settings)
Favorit 6651
1.6
Classic
2.1 5
Supreme
Caloric
DCS416
2.169
Caloric
DUS406
2.169
Modern Maid
DDW155
2.169
Modern Maid
DDWl60
2.169
Caloric
DUS409
2.23
Modern Maid
DDWl95
2.23
Frigidaire
DW1OOD
2.3
Gibson
SU24P3
2.3
Gibson
SU24P4
2.3
Montgomery Ward
UCOlOO5B
2.3
UCOl026B
2.3
Montgomery Ward
Montgomery Ward
UCO1034B
2.3
Montgomery Ward
UCOl035B
2.3
Montgomery Ward
UCOl038B
2.3
Tappan
61 -1127-10
2.3
Tappan
2.3
61-1137-10
White Westinahouse
SU21OJ
2.3
A.E.G.
In-Sink-Erator
MOST EFFICIENT CLOTHES WASHERS
Annual
Energy
cost @
Brand
Model
7.7ClkWh
Standard Machines (over 16 gallon capacity)
Gibson
WS 27 M6-V
22
Sears Roebuck & Co.
4988
22
White Westinghouse
LT25OL
22
White Westinghouse
LT7OOL
22
22
White Westinghouse
LT8OOL
23
White Westinghouse
LTl5OL
Frigidaire
WL
52
52
White Westinghouse
LA271
A21 2ST
52
Maytag
A1 O*T
64
Maytag
A112T
65
Maytag
A1 83T
65
Maytag
A1 90T
65
Maytag
A21 *T
65
Maytag
A28*T
65
Maytag
A31 2T
65
Maytag
Preheat
40
53
Y
Y
54
54
54
54
55
55
57
57
57
57
57
57
57
57
57
57
57
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
V
Annual
Energy
Use
(kWh)
286
286
286
286
286
299
675
675
678
836
840
840
840
840
840
840
The energy efficiency of a water heater is indicated by its Energy Factor
(EF), an overall efficiency based on the use of 64 gallons of hot water per
day. The national appliance efficiency standards for water heaters took
effect in 1990. The standards are based on storage tank size, as indicated
below:
Minimum Energy Factors (EF)
Tank Size
Gas
Oil
Electric
30 gallons
40 gallons
50 gallons
60 gallons
0.56
0.54
0.53
0.53
0.53
0.50
0.48
0.91
0.90
0.88
0.87
0.51
All other things being equal, the smaller the water heater tank, the higher
the EF. Compared to small tanks, large tanks have a larger surface area,
which increases heat loss from the tanks and decreases the energy
efficiency.
Of course, the capacity of the water heater is an important consideration.
The water heater should provide enough hot water at the busiest time of the
day. For example, a household of two adults may never use more than 30
gallons of hot water in an hour, but a family of six may use as much as 60
gallons in an hour. The ability of a water heater to meet peak demands for
hot water is indicated by its “first hour rating” (listed in the “rating” column
below). This rating accounts for the effects of tank size and the speed by
which cold water is heated. The models listed below are grouped by their
tank size.
MOST EFFICIENT GAS-FIRED WATER HEATERS
Energy
Brand
Model
1st Hr Factor
Rated storage less than 40 gallons
American Appliance’
DVPB35
147
86
American Appliance’
DVPB35LP
147
86
40 HE-N
71
Bock
65
Bock
40 HE-X
71
65
Bradford-White
M-l II-403T5CN-7
71
65
Bradford-White
M-Ill-403T5CX-7
71
65
Lochinvar
HEN040
71
65
U S . Water Heater Co.
M-lll-R403T5CX-7
71
65
Storage
~
34
34
38
38
38
38
38
38
1. This model is designed for use as a combination space and water heater
11
MOST EFFICIENT GAS-FIRED WATER HEATERS (cont)
Energy
Brand
Model
1st Hr Factor
Approximately 40 gallons rated storage
Marathon
MG40345
77
74
MG40345H
77
74
Marathon
Sears Roebuck and Co.
449.33041
77
74
449.33043
77
74
American Appliance
86
N463V
72
N463V-LP
American Appliance
86
72
N463V
Craftmaster
86
72
N463V-LP
Craftmaster
86
72
Mor-Flo
86
N463V
72
N463V-LP
Mor-Flo
86
72
65
463SV
63
American Appliance
72
N2F463T
American Appliance
63
72
40
63
Craftmaster
65
463SV
Craftmaster
63
65
463SV
Mor-Flo
63
Marathon
MG50345
85
71
Marathon
MG50345H
85
71
449.33051
85
71
449.33053
85
71
Lochinvar
HEL050
81
62
Lochinvar
HEN050
81
62
M-llLR503S5CN-7
81
62
M-lll-R503S5CX-7
81
62
American Appliance
N2F563T
81
61
Craftmaster
50
81
61
Brand
Bock
Bradford-White
Carlin
Ford
Rheem
Bock
MOST EFFICIENT OIL-FIRED WATER HEATERS
Model
1st Hr
EF
32PP
131
63
F-I-305E50EZ
120
61
RCG-3OEZ
120
61
FG3016EZ
120
61
OGL-3OEZ
120
61
30ES
109
60
Brand
MOST EFFICIENT ELECTRIC WATER HEATERS
1st Hr
Energy
Factor
Rating
Model
Marathon
Marathon
Reliance
State
MP30238
39
MP30255
46
1 30 lOPT6-W
38
42
TCL 30 2LRT6-W
(Many models have Energy Factor ratings of 96-97%.)
12
98
98
98
98
Storage
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
~~~
50
50
50
50
50
50
50
50
50
50
Storage
32
30
30
30
30
28
Storage
Capacity
30
30
30
30
Brand
MOST EFFICIENT ELECTRIC WATER HEATERS (cont.)
1st Hr
Energy
Storage
Model
Rating
Factor
Capacity
Bradford-White
Sears Roebuck
Sears Roebuck
Sears Roebuck
Sears Roebuck
State
U.S.Water Heater
M-Ill-30R5SS-12
153.310460
449-310410
449-314410
449-320410
TCL 40 2LRT6-W
M-Ill-RE30R5SS-12
42
47
49
45
56
50
42
97
97
97
97
97
97
97
42
40
40
40
40
40
42
96
96
96
96
96
50
50
52
50
52
96
96
96
96
96
52
52
50
50
50
96
96
96
96
60
60
60
60
(Many models have Energy Factor ratings of 96%.)
Bradford-White
Marathon
Rheem
Rheem
Richmond
Rudd
Sears Roebuck
Sutherland
U.S. Water Heater
Vaughn
M-Ill-50T5SS-12
59
MX50155S
58
81G-52D
57
81GV52'
57
8VG52-1, HIVG52S
57
MEG52-1
449-310510
CL81GX52D
M-Ill-RE50T5SS-12
M-50
57
59
57
59
61
Marathon
Marathon
Marathon
Marathon
MX60'30
MX60*38
MX60*45
MX60*55
59
63
66
70
HEAT PUMP WATER HEATERS
A heat pump water heater operates on the same principal as a refrigerator
or an air conditioner-it removes heat from the surrounding air and delivers
it to the water in the tank. Heat pump water heaters use about 1/3 as much
electricity as ordinary electric resistance water heaters.
13
Brand
Reliance
State
Therma-Stor
Therma-Stor
Reliance
State
Reliance
State
Therma-Stor
Therma-Stor
Therma-Stor
MOST EFFICIENT HEAT-PUMP WATER HEATERS
Model
1st Hr
EF
81
3.1
5 82 1AHPWl HP-3,3-4
SS8 82 1AHP4/CHP-3,3-4
81
3.1
72
3.1
TS-HP-80-HRA
TS-HP-120-18-30
111
3.1
54
3.0
5 52 1AHPWl HP-3.3-4
SS8 52 lAHP4/CHP-3,3-4
54
3.0
5 66 1AHPWl HP-3,3-4
67
2.9
67
2.9
SS8 66 1AHP4/CHP-3,3-4
73
2.9
TS-HPV-AC-80
107
2.9
TS-HPV-AC-120
TS-HP-120-18
110
2.9
Storage
82
82
80
120
52
52
66
66
80
120
120
ROOM AIR CONDITIONERS
Room air conditioners are rated by their Energy Efficiency Ratio (EER), the
ratio of the cooling output divided by the power consumption. The higher the
EER, the more efficient the air conditioner.
The 1990 national standards for room air conditioners vary with the design
and cooling capacity of each unit. On average, the 1990 standard requires
a minimum EER of about 8.6.
Brand
Model
MBtulhr
Btulhr
EER
Volts
10.0
10.0
10.0
10.0
10.0
10.0
10.0
10.0
9.8
9.6
9.5
9.5
9.5
9.5
9.5
9.5
9.5
9.5
115
115
115
115
115
115
115
115
115
115
115
115
115
115
115
115
115
115
5,000to 6,999 Btu/hr cooling capacity
Airtemp
Airtemp
Climatrol
Fedders
Friedrich
Friedrich
Friedrich
Friedrich
Sharp
Teknika
Amana
General Electric
Panasonic
Quasar
Sharp
C3R06F2A
G3R06F2A
M3R06F2A
A3R06F2A
SQ05H10
SQO6H10
SQ07HlO
YQ06H10
AF-607M6
AK61 E
7P2MA
AMEO6LA
CW-601JU
HQ2062DW
AF-508M6
5.80
5.80
5.80
5.80
5.60
6.50
7.10
6.20
6.30
5.90
6.65
6.00
6.00
6.00
5.50
Sharp
Tekn ika
Teknika
AF-608M6
AM63E
AM64E
6.50
6.30
6.30
14
5,800
5,800
5,800
5,800
5,600
6,500
7,100
6,200
6,300
5,900
6,650
6,000
6,000
6,000
5,500
6,500
6,300
6,300
Brand
MOST EFFICIENT ROOM AIR CONDITIONERS (cont.)
Model
MBtu/hr
Btulhr
EER
7,000 to 8,999 Btu/hr coolina caDacitv
Friedrich
Friedrich
Teknika
Teknika
SS07H1OA
SS08H1OA
AK83E
AK84E
7.20
8.20
8.00
8.00
7,200
8,200
8,000
8,000
Volts
11.0
10.5
9.7
9.7
115
115
115
115
12.0
12.0
12.0
12.0
11.6
11.6
11.6
115
115
115
115
115
9,000 to 10,999 Btu/hr cooling capacity
Carrier
General Electric
Hotpoint
Friedrich
General Electric
Panasonic
Quasar
51GMB0091
ACDO9LAXl
KCDO9LAXl
SMl OH1OA
AVXl OFA
CW-lO2VS12L6U
HQ2102CW
9.00
9.00
9.00
10.30
10.00
10.00
10.00
9,000
9,000
9,000
10,300
10.000
10,000
10,000
Friedrich
General Electric
Quasar
SS12HlOA
AMH12AA
HQ2122DW
12.00
12.00
12.00
12,000
12,000
12,000
115
115
__
115
10.0
115
9.5
9.5 _115
__
_
Friedrich
Carrier
Carrier
General Electric
Kenmore
Airtemp
Airtemp
Climatrol
Fedders
Panasonic
Panasonic
SM14H1 OA
51GMAll41
51GMB1141
ACDl4AAXl
106.8761492
C3L14E2A
G3L14E2A
M3L14E2A
A3L14E2A
CW-1401QU
CW-141VS12L6U
14.00
13.50
14.00
13.50
14.00
14.00
14.00
14.00
14.00
13.50
13.50
14,000
13,500
14,000
13,500
14.000
14,000
14,000
14,000
14,000
13,500
13,500
10.5
10.2
10.2
10.2
10.2
10.0
10.0
10.0
10.0
9.5
115
115
115
115
115
115
115
115
115
115
9.5
115
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
230
230
230
230
230
230
230
230
230
230
9.5
9.5
9.5
9.4
9.4
9.3
230
230
230
230
230
230
Comfort-Aire
Comfort-Aire
Friedrich
General Electric
General Electric
General Electric
Hotpoint
Hotpoint
Kenmore
Whirl pool
Friedrich
Panasonic
Quasar
Carrier
Friedrich
Sharp
WV163HE
WW163
SS15H30A
ACD15DAX1
ACS15DAXl
AESl5DAV1
KCSl5DAXl
KESl5DAVl
106.8771 591
AC1504XTO
16.40
16.40
15.00
15.00
15.00
15.00
15.00
15.00
15.00
15.00
16,400
16,400
15,000
15,000
15,000
15,000
15,000
15,000
15,000
15,000
SL19H30
19.00
19,000
CW-1802QU
18.00
18,000
HQ2182DW
18.00
18,000
77GMA1183
17.60
17,600
EL19H35
18.80
18.800
AF-1807M8
18.50
18,500
15
CENTRAL AIR CONDITIONERS
Central air conditioners (CACs) are rated according to their Seasonal
Energy Efficiency Ratio (SEER). This is the cooling output divided by the
power input for an average U.S. climate. The average new CAC sold in
1988 had a SEER of about 9. The national appliance efficiency standard for
split system central air conditioners will take effect in 1992, requiring a
minimum SEER of 10.
Many older CACs have SEERSof only 6 or 7. If you need or want to replace
the outdoor (compressor) unit of your current air conditioner, make sure the
indoor (blower coil) unit is compatible with the new outdoor unit. A highly
efficient outdoor unit may not achieve its rated efficiency if paired with an
older blower coil. Ask your serviceman to properly match your system to
achieve its highest efficiency.
The air conditioners listed below are grouped by their cooling capacity;
each “ton” represents 12,000 BTU/hour of cooling capacity.
Brand
Trane
Trane
Trane
American
Standard
American
Standard
Lennox
Lennox
Lennox
Model/
Condensina
ModeKoil
Capacity: approximately 2.0 tons
TTX724A
TWV739E15-C
TTX724A
TWH739E15-C
TTX724A
THD080A9V3tTXF736S5t
BAY24x045
ATN024A
BAY24XO45
TUC080B9V3tTXC736S5t
ATN024A
BAY24x045
HS22-261V-1P
CB15-41-1PtLB53081CD
HS22-261V-IP
HS22-261V-1P
CBH19-26-1PtLB-53081CD
Camcitv:
,
TTS730A
TTS730A
HS22-311V-1P
TTX730A
TTX730A
ATN030A
amroximafelv
2.5 tons
,.
TUC080B9V3tTXC736S5
TDC080B9V3tTXC736S5
TWV739E15-C
TWH739E15-C
TWV739E15-C
HS22-311V-1P
9430G911
94306911
ATNOBOA
C14-41-1FFtLB53081CD
9435E833K
3736-823K
BAY24X045
SCFC36AOVD
9435E833
<
Trane
Trane
Lennox
Trane
Trane
American
Standard
Lennox
Coleman
Coleman
American
Standard
Amana
CoI einan
Lennox
16
ZRCF30U01D
9430G911
HS22-311V-1P
SEER
Btulhr
13.45
13.40
13.40
26,400
26,400
25,800
13.35
25,600
13.00
25,800
13.00
12.90
12.90
25,400
24,000
24,000
15.70
15.70
13.50
13.45
13.40
13.35
30,800
30,800
31,400
32,000
31,800
32,200
13.25
13.20
13.20
32,000
29,600
29,600
13.15
31,000
12.95
12.95
12.90
30,400
29,600
31,200
Brand
MOST EFFICIENT CENTRAL AIR CONDITIONERS (cont.)
Modell
Condensing
ModellCoil
SEER
capacity: approximately 3.0 tons
Btuthr
~~
Trane
TTS730A
Trane
TTS730A
Trane
TTS736A
Trane
TTS736A
Trane
TTS736A
Trane
TTS736A
Lennox
HS14-411V-6P
Lennox
HS14-413V-6Y
Goodman
CTS36-1
(GMC, Janitrol, Franklin)
TWV739E15-C
TWH739E15-C
TWV739E15-C
TWH739E15-C
TUC080B9V3tTXC736S5
TDC080B9V3tTXC736S5
CB15-41-1P
CB15-41-IP
A50-XXtEEP
16.90
16.90
16.20
16.20
15.45
15.45
15.00
15.00
14.00
33.200
33,200
39,000
39,000
36,000
36,000
40,000
40,000
40,000
American
Standard
Trane
American
Standard
ATN036A
TWH064E15-C
13.85
$,OOO
TTX736A
ATN036A
TWH064E15-C
TWV064E15-C
13.80
13.75
39,500
40,000
~
Trane
Trane
Trane
Trane
Trane
Trane
Lennox
Lennox
Trane
American
Standard
TTS748A
TWV064E15-C
TTS748A
TUCIOOB9V5tTXCO,TXC754S
TTS748A
TUCl OOB9V5tTXC,TXA064S
TTS748A
THDIOOA9V5tTHX060S
TTS748A
TDCI 2089V5tTXCO,TXC754S
TTS748A
TDCI 20B9V5tTXC,TXA064S
HS14-51IV-6P
CB15-65-1P
HS14-513V-6Y
CB15-65-1P
TTX742B
TWH064E15-C
ATN042A
TWH064E15-C
Trane
Trane
American
Standard
Lennox
TTX742B
TTX748A
ATN042A
HS14-511V-6P
TWV064E15-C
TWEO9OA
THDlOOA9V5tTXH060S5t
BAY24XO45
CB15-46-1P
Lennox
HSI4-513V-6Y
CB15-46-IP
~~
15.15
15.00
15.00
15.00
14.50
49.500
46;500
48,500
48,500
46,000
14.50
14.00
14.00
13.75
13.70
48,500
52,000
52,000
45,000
45,000
13.60
13.60
13.35
45,000
52,000
44,500
13.20
49.500
13.20
49,500
17
CENTRAL HEAT PUMPS
Central heat pumps provide both cooling in the summer and heating in the
winter. However, heat pumps do not perform well over extended periods of
sub-freezing temperatures. The cooling performance of heat pumps, like
that of central air conditioners, is rated as a SEER. Heating performance is
measured by the Heating Season Performance Factor (HSPF), a ratio of the
estimated seasonal heating output divided by the seasonal power consumption for an average US. climate. A typical new heat pump has an
HSPF of about 6.5 and a SEER of about 9. The national appliance efficiency
standard for split system heat pumps will require a minimum HSPF of 6.8
and a minimum SEER of 10, effective in 1992.
The heat pumps listed below are grouped by their heating and cooling
capacities and ranked in order of their heating efficiencies. If you live in a
region with significant heating and cooling seasons (e.g., mid-Atlantic
states), you should seek a heat pump that performs well in both seasons.
If you live in a region where summer cooling is much more important than
winter heating (e.g., Florida), then you will want a unit that is particularly
efficient for cooling.
Btuihr
Brand
Coleman
Lennox
Lennox
Lennox
Lennox
Lennox
SEER
Btuihr
Heat
HSPF
11.30
12.85
20,200
19,000
8.00
7.90
12.85
19,000
7.90
12.85
19,000
7.90
12.85
19,000
7.90
11.90
19,700
7.60
24,000
13.35
25,800
8.75
24,800
13.60
24,000
8.40
24,800
13.60
24,000
8.40
24,400
13.25
24,000
8.20
24,400
13.25
24,000
8.20
23,400
11.10
11.30
12.50
24,400
8.20
24,800
24,200
8.00
7.90
Cool
3718-611
3718-833
19,400
HP22-211-1P
CB19-21-1Pt
19,800
LB34792BE
HP22-211-1P
CBHl9-21-IPt
19,800
LB-34792BE
HP22-211-1P
CB19-26-1Pt
19,800
LB34792BE
HP22-211-1P
CBH19-26-1Pt
19,800
LB-34792BE
HP22-211-1P
CHl6-41-1FFt
19,700
LB-34792BE
Outdoor Unit
Indoor Unit
Carrier
38QE92430
Lennox
HP22-261-1P
Lennox
HP22-261-1P
Lennox
HP22-261-1P
Lennox
HP22-261-1P
Coleman
Coleman
Lennox
3724-911
3724-911
HP22-261-1P
18
I
38QE02430t
40QE02430
CB19-31-1P t
LB34792BE
CBH19-31-1P t
LB-34792BE
CB19-26-1Pt
LB34792BE
CBH19-26-1P t
LB-34792BE
6932-DUVO
3724-833
CH16-41-1FFt
LB-34792BE
23,800
24,200
MOST EFFICIENT CENTRAL HEAT PUMPS (cont)
Btuihr
Cool
SEER
Brand
Outdoor Unit
Trane
Trane
Lennox
TWS730A
TWS730A
HP21-311-1P
Lennox
HP21-311-1P
Lennox
HP21-311-1P
Lennox
HP21-311-1P
Rheem
RPGB-030JA
Rudd
Indoor Unit
Btulhr
Heat
HSPF
TWV739E15-C
TWH739E15-C
CB19-31-1Pt
LB34792BG
CBH19-31-1Pt
LE-34792BG
31,800
31,800
31,000
16.40
16.40
13.40
29,600
29,600
31,200
8.70
8.70
8.65
31,000
13.40
31,200
8.65
CB19-41-1Pt
LB34792BG
CBHl9-41-1Pt
LB-34792BG
RHQA-13t
RCQB-BO30
30,800
13.00
31,000
8.55
30,800
13.00
31.000
8.55
30,200
12.20
29,400
8.40
UPGB-030JA
29,400
8.40
Trane
TWX730B
UHQA-13t
30,200
12.20
RCQB-BO30
TWV739E15-C
32,800
12.75
28,800
8.05
Carrier
38QE93630
Trane
Trane
Trane
Trane
American
Standard
Lennox
TWS736A
TWS736A
TWX736A
38QE03630t
40QE03630
TWV739E15-C
TWH739E15-C
TWH064E15-C
TWX736A
TWA036A
TWV064E15-C
TWH064E15-C
HP22-411-1P
Lennox
HP22-411-1P
American
Standard
Coleman
TWA036A
CB19-41-1P t
LB34792BG
CBH19-41-1P t
LB-34792BG
TWV064E15-C
Coleman
Trane
Trane
Lennox
Lennox
Lennox
Lennox
Coleman
Lennox
3736-811
3736-811
36,800
14.05
35,400
9.05
37,600
37,600
40,000
39,500
42,000
15.20
15.20
12.85
12.80
12.00
34,600
34,600
34.600
34,400
36,400
8.75
8.75
8.65
8.60
8.55
35,600
12.80
36,400
8.50
35,600
12.80
36,400
8.50
41,500
11.85
36,200
8.50
11.30
11.30
38,500
38,500
8.50
8.50
15.05
15.05
12.80
43,500
43,500
42,000
9.40
9.40
8.50
12.80
42,000
11.50
43,000
8.50
__
8.30
11.50
43,000
8.30
10.60
10.50
41,500
43,000
3736-823
37,000
3736-833
37,000
TWS748A
TWV064E15-C
48,000
TWS748
TWH064E15-C
48,000
HP22-461-1P
CB19-51-1Pt
42,000
LB-34792BG
HP22-461-1P
CH19-51-ltB1942,000
51-1PtLB-34792BG
HP19-461-1P
CB19-51-1P t
43,000
LB34792BG
HP19-461-1P
CH19-51tB19-51- 43,000
1PtLB-34792BG
3742-911
3736-833
41,500
HP19-461-1P
GB19-51-1P
43.000
8.30
8.30
~
19
GAS FURNACES
New furnaces are rated by their Annual Fuel Utilization Efficiency (AFUE),
a measure of overall seasonal performance. The average new gas furnace
sold in 1988 had an AFUE of 75%. The national efficiency standard for
furnaces will take effect in 1992, and it will require that each furnace have
an AFUE of at least 78%. Furnaces are available over a broad range of
efficiencies, depending on the sophistication of the equipment:
Furnace feature
Typical AFUE
Gas pilot light (no efficiency features)
Electronic ignition
Automatic vent damper
Power combustion
Condensing furnace
62%
68%
76%
82%
go(+)%
Condensing furnaces are often priced much higher than less efficient
furnaces. Accordingly, condensing furnaces are most economical in areas
with long, cold winters. Homeowners in regions with moderate or mild
winters may find that furnaces with AFUEs in the 80% to 85% range are
their best buys. Also, when buying a new furnace, make sure the capacity
is appropriate for your home (an “oversized” furnace will operate less
efficiently).
Brand
MOST EFFICIENT GAS FURNACES
Model
Btulhr
30.000 to 60.000 BtdHr
Bryant
Bryant
Carrier
Carrier
Carrier
Day and Night
Day and Night
Payne
Payne
Lennox
Armstrong
Glowcore
Lennox
Lennox
Heil-Quaker
Heil-Quaker
Williamson
Williamson
Davton
20
398AAW030040
398AAZ030040
58SX040-BC
58SX040-FG
58SXA040-FG
398AAW030040
398AAZ030040
398AAW030040
398AAZ030040
GI 4Q3-40EG6E40DC13
UGR040D13
GSRl4Q4-50GSR14Q3-50NUGSOSOAF
NULS050AF
867.769050
WU47-05-3N
wu47-05-4L
3E436B
40,000
40,000
40,000
40,000
40,000
40,000
40,000
40,000
40,000
38,000
38,000
38,000
47,000
47,000
47,000
47,000
47,000
47,000
47,000
46.000
AFUE
96.6
96.6
96.6
96.6
96.6
96.6
96.6
96.6
96.6
96.2
95.4
95.4
95.0
94.8
94.6
94.6
94.6
94.6
94.6
94.0
MOST EFFICIENT GAS FURNACES (cont.)
Model
Btulhr
30,000 to 60,000 Btu/Hr (cont.)
Heil-Quaker
NDLKOSO(A,D)F
47,000
Heil-Quaker
NUGK050MF
46,000
867.769412
46,000
Tempstar
NDLK050(A,D)F
47,000
Williamson
WD45-05-2
47,000
Brand
Williamson
Duomatic Olsen
Heil-Quaker
Tempstar
Carrier
Day and Night
Carrier
Carrier
Carrier
Day and Night
WU47-05-2
HDS 60M(70/60M)
NULK050(L,M)F
NULKOSO(L,M) F
58SXB060-CC
398BAW036060
58SXB060-GG
58SXB060-GG-L
58SXB080-GG-L
398BAZ036060
AFUE
94.0
94.0
94.0
94.0
94.0
46.000
58;OOO
46,000
46,000
59,000
59,000
59,000
41,000
54,000
59,000
94.0
93.7
93.7
93.7
93.6
__
93.6
93.5
93.5
93.5
93.5
__
68,000
76,000
76,000
67,000
80,000
79,000
79,000
79,000
68,000
79,000
68,000
76,000
67,000
75,000
96.6
94.9
94.9
94.2
94.0
93.6
93.6
93.5
93.5
93.5
93.5
93.5
93.4
93.2
81,000 to 705,000 Btdhr
EGHWlOODC3
HDS 90M
HCS2-90M
58SXBlOO-HG
58SXBlOO-LG
398BAZ042100
398BAZ060100
G14Q4/5-100-
94,000
86,000
84,000
99,000
99,000
99,000
99,000
95.000
94.0
94.0
93.7
93.5
93.5
93.5
93.5
93.5
106,000 to 135,000 BWhr
P1UDD16N11401A
112,000
92.6
PlUDD20N13301A
131,000
92.6
P2UDD16N11401
112,000
92.6
61.000 to 80.000 Btu/hr
Amana
Amana
Duomatic Olsen
Williamson
Carrier
Day and Night
Carrier
Carrier
Day and Night
Day and Night
Duomatic Olsen
Duomatic Olsen
Amana
Duomatic Olsen
Duomatic Olsen
Carrier
Carrier
Day and Night
Day and Night
Lennox
Central Environmental
Systems
Systems
Systems
867.769060
EGHW100DC3
EGHWlOODC3
HDS 70M
C217-08-NOAH
58SXB080-BC
398BAW036080
58SXB080-GG
58SXBlOO-LG-L
398BAZ036080
398BAZ060100-L
HDS 80M(90/80M)
867.769470
HCS2-81M
21
MOST EFFICIENT GAS FURNACES (cont.)
Model
Btulhr
706,000 to 135,000 Btu/Hr (cont.}
P2UDD16P11401A
112,000
Systems
P2UDD20N13301
131,000
Systems
P2UDD20P13301A
131,000
Svstems
PANU-LDl6N120A
112,000
Systems
PANU-LD20Nl40A
131,000
Systems
PBNU-LD16P120
112,000
Svstems
PBNU-LDl6N120A
112,000
Systems
PBNU-LD20N140A
131,000
Systems
PBNU-LD20P140A
131,000
Svstems
Brand
MOST EFFICIENT GAS BOILERS (HOT WATER)
Model
Btulhr
30,000 to 60,000 Btu/hr
Hydrotherm
A-50 B
47,000
Giowcore
GB060-7
53;OOO
52,000
Buderus Logana
105/15
EnerRoval
60H
52,000
EnerRoyal
60HC
52,000
6OHWC
52.000
Heatmaker
VHE-3
591000
Weil-Mclain
XG-2003A-PV
54,000
Burnham
AHE-60
Weil-McLain
51,000
AHE-45
Weil-McLain
38,000
Peerless
PDE-065
56,000
Bryant
237AAW002042
36,000
Bryant
237AAY002042
36,000
Carrier
61 SWB042
36.000
Carrier
61SWD042
361000
XE-2
Crown
36.000
Day and Night
237AAW002042
36,000
Day and Night
237AAY002042
36,000
XE-2
Dunkirk
36.000
Metzger
XE-2
36,000
Payne
237AAW002042
36,000
237AAY002042
36,000
Payne
FS-2
Pennco
36,000
229.964421
36,000
229.964122
36,000
Brand
AFUE
92.6
92.6
92.6
92.6
92.6
92.6
92.6
92.6
92.6
AFUE
90.4
89.0
87.4
87.0
87.0
87.0
87.0
86.5
85.5
85.3
84.8
84.5
84.5
84.5
84.5
84.5
84.5
84.5
84.5
84.5
84.5
84.5
84.5
84.5
84.5
c
Brand
MOST EFFICIENT GAS BOILERS (HOT WATER) (cont.)
Model
Btulhr
AFUE
Burnham
Burnham
SlanVFin
Peerless
SlanVFin
61.000 to 90,000 Btu/hr
A-100 B
GB090-7
105121
GV-3
VHE-4
XG-2004A-PV
XG2004AV
GG-75HEDS
PDE-097
GG-75HEDP
88,000
80,000
72,000
61,000
87,000
82,000
82,000
64,000
83,000
64,000
90.4
88.8
87.7
87.5
87.1
85.3
84.8
84.7
84.4
84.4
Hydrotherm
Glowcore
Buderus Logana
Buderus Loaana
Weil-MclainWeil-Mclain
Weil-Mclain
Buderus Logana
Weil-Mclain
Peerless
97,000 to 150,000 Btu/hr
A-150 6.C
GB16014
105128
205/42
VHE-6
VHE-5
GV-4
205134
GV-5
PDE-130
132,000
142,000
96,000
143,000
147,000
117,000
92,000
116,000
122,000
110,000
90.8
88.8
87.8
87.4
87.4
Hydrotherm
Glowcore
Buderus Logana
Weil-Mclain
Weil-Mclain
Brand
Axeman-Anderson
Burnham
Burnham
Burnham
Axeman-Anderson
Axeman-Anderson
Axeman-Anderson
Axeman-Anderson
Axeman-Anderson
Axeman-Anderson
Axeman-Anderson
Axeman-Anderson
MOST EFFICIENT GAS BOILERS (STEAM)
Model
Btulhr
108PGU
XG-4004
XG-4005
XG-4006
87PGU
149PGU
74PG
108PG
128PGU
87PG
128PG
149PG
116,000
88,000
117,000
147,000
105,000
201,000
114,000
159,000
159,000
129.000
191,000
233,000
87.3
87.3
87.2
87.2
84.0
AFUE
83.5
83.5
83.4
83.3
82.8
82.6
82.5
82.4
82.4
82.1
81.8
81.8
OIL FURNACES
The national standard for oil furnaces is the same as that for gas furnaces:
a minimum AFUE of 78% in 1992. High efficiency oil furnaces achieve their
high ratings through automatic flue dampers and “flame retention” burners.
23
Brand
Dornback
Yukon
Yukon
EnerRoval
EnerRoyal
EnerRoval
EnerRoyal
EnerRoyal
Duomatic Olsen
Yukon
Duomatic Olsen
MOST EFFICIENT OIL FURNACES
Model
MBtulhr
Btulhr
50,000 to 80,000 Btdhr
HEO-70-2.5
66.5
66.500
U-70-0-03
64
64,000
H-70-0-02
63
63,000
ER75 FF
75
75,000
ER75 HB
75
75,000
ERCF56
59
59,000
ER75 RF
75
75,000
ERHB56 SF
58
58,000
HTL 80B
77
77,000
85-100-1500
58
58,000
WTL 80A
77
77,000
Dornback
Dornback
Yukon
Duomatic Olsen
Duomatic Olsen
Thermo Pride
Duomatic Olsen
Duomatic Olsen
Duomatic Olsen
Thermo Pride
Thermo Pride
81.000 to 104.000 Btu/hr
85.5
HEO-90-3.5
HEO-105-4
99.75
83
U-90-0-03
89
BCL 90s
88
HTL 90B
OL5-85-V
83
BCL 100s
99
WTL 1OOA
99
WTL 90A
89
OC5-85-V
83
OT5-85-V
83
85,500
99,750
83,000
89,000
88.000
83,000
99,000
99,000
89,000
83.000
83,000
Duomatic Olsen
Duomatic Olsen
Duomatic Olsen
Williamson
Williamson
EnerRoyal
Williamson
105,000 to 135,000 BWhr
BCL 120s
119
BCL 145s
145
WTL 105A
105
T164-15
114
1454-14
118
ER116 HB
115
R164-15-3,4
118
119,000
145,000
105,000
114,000
1181000
115,000
118,000
MOST EFFICIENT OIL BOILERS (HOT WATER)
Model
Btulhr
60.000 to 84.000 Btdhr
Axeman-Anderson
OL-91
80,000
72,000
Buderus Logana
105121
74,000
Ultimate
PFO-4
Ultimate
PFO-4T
80,000
Tarm
T902180
69,000
80,000
Axeman-Anderson
OL-91
Tarm
T902/91
79,000
Crown
BD-74
74,000
74,000
Dunkirk
3E.60
74.000
Pennco
3K.60
Brand
Sears Roebuck & Co.
Ford
24
229.944331
LM-70
74,000
84,000
AFUE
91.6
88.9
87.8
86.7
86.7
86.7
86.5
86.3
86.2
86.2
86.1
90.8
90.0
89.1
86.5
86.1
86.1
86.0
86.0
86.0
86.0
85.5
__
86.7
86.0
86.0
85.6
85.5
~
85.2
85.0
AFUE
88.1
87.7
87.6
87.6
87.5
86.4
86.3
86.1
86.1
86.1
86.1
86.0
I
MOST EFFICIENT OIL BOILERS (HOT WATER) (cont.)
Brand
Model
Btulhr
85,000 to 104,000 BWhr
i05/28
96,000
Buderus Logana
Crown
CTPR-3
92,000
Ultimate
PFO-5
93,000
Ultimate
PFOdT
99.000
Energy Kinetics
System 2000 EK-1
104;OOO
Ultimate
PFO-6T
117,000
EnerRoyal
ERO-40C
87,000
EnerRoyal
ERO-40
87,000
Thermo-Dynamics
BY-75D
91,000
Vaillant
F70, F75-40
87,000
Crown
Axeman-Anderson
Ultimate
Axeman-Anderson
Buderus Logana
EnerRoyal
EnerRoyal
Vaillant
Axeman-Anderson
Axeman-Anderson
105,000 to 134,000 Btu/hr
CTPR-4
74NPO-U
PFO-7
87NPO-U
205134
ERO-50
ERO-50C
F70, F75-50
74NPO
74NPO-U
87.8
87.6
87.6
87.6
87.5
87.5
87.0
87.0
87.0
87.0
130,000
105,000
130,000
134,000
116,000
121,000
121,000
121,000
133,000
105,000
MOST EFFICIENT OIL BOILERS (STEAM)
Model
Btulhr
61,000 to 97,000 Btdhr
Columbia
TE-91
91,000
Columbia
CSF-365
79,000
Utica
SF-365
79,000
H.B. Smith
8-SIW-3L
91,000
Peerless
JO/JOT-TW075-S
91,000
H.B. Smith
BB-14-S-3L
89,000
Burnham
v-73s
89,000
92,000 to 150,000 Btdhr
General Machine CorD.
OBT75C5S
92,000
TE-122
122,000
Columbia
CSF-4100
120,000
Columbia
Utica
SF-4100
120,000
H.B. Smith
8-SIW-4L
1311000
H.B. Smith
a-SIW-3~
102,000
OBTl OOC5S
General Machine Corp.
121,000
Slant/Fin
L3OPZ
134,000
General Machine Corp.
OBTl25C5S
148,000
H.B. Smith
BB-14-S-4L
144,000
TE-122
Columbia
122,000
WBIWBV-0854
Peerless
101,000
Peerless
WBNVBV-125-S
149,000
Burnham
v-74s
125,000
Brand
AFUE
87.5
88.7
87.6
87.2
87.2
86.7
86.7
86.7
86.6
86.5
AFUE
86.4
86.0
86.0
85.8
84.2
83.7
83.0
~
86.5
86.4
86.0
86.0
85.9
__
85.6
85.3
84.1
83.9
83.3
83.2
83.2
83.0
82.9
25
COMPARISON SHOPPING AND LIFECYCLE
COSTS
The best appliance buy is not necessarily the least expensive model nor the
one with the highest efficiency. Computing and comparing lifecycle costs
of different models can identify the best buys. A lifecycle cost of an
appliance is the combination of its purchase price and the annual operating
costs over its useful lifetime. This section explains lifecycle costs and
provides worksheets for your use.
To compute a lifecycle cost, you will need to know:
1. The purchase cost (the price you pay the appliance store or contractor).
2. The cost of energy (from your utility bill or your local utility).
3. The yearly energy cost to operate the appliance (obtained from the
EnergyGuide label using your local cost of energy).
4. The estimated lifetime of the appliance in years, given in Table 1.
5. A discount factor, a number that adjusts for inflation and for the fact that
a dollar spent today does not have the same value as a dollar spent in
the future, since today’s dollar could be invested and earn interest over
time. Discount factors are given in Table 1.
The following formula is used to calculate lifecycle costs:
LIFECYCLE
COST
-
PURCHASE
ANNUAL
PRICE
+ ENERGY COST
(
ESTIMATED
LIFETIME
)
DISCOUNT
RATE
Consider the following example: You want to do a lifecycle cost comparison
between Refrigerator A and Refrigerator B. You call your local utility and
learn that electricity costs 10 &/kWh. You look at the EnergyGuide labels on
Refrigerators A and B. The Yearly Cost table toward the bottom of the
EnergyGuide label shows that at an electricity price of 10 cents per kWh,
Refrigerator A has an annual energy cost of $100 while Refrigerator B has
an annual energy cost of $120. The price on model A is $600, and the price
of model B is $520. You check Table 1 on this page to find the correct
lifetime (20 years) and discount factor (0.76) for refrigerators. With this
information, you can now compare the lifecycle costs of the two
refrigerators:
Appliances
Refrigerator A
Refrigerator B
Purchase
Price
$600
$520
+
+
Annual
Energy
Estimated
Discount
Lifecyle
cost
Lifetime
Factor
cost
X
20
( $100
X
0.76 ) = $2120
X
20
( $120
X
0.76 ) = $2344
From this calculation you learn that the refrigerator with the more expensive
purchase price, model A,will actually cost you $224 less than the cheaper
model over its lifetime.
~
i
26
Table 1. Characteristics of Appliances for Lifecycle Cost Comparisons
Appliance
Water Heater (gas or electric)
Refrigerators and Freezers
Room air conditioners
Dishwashers
Clothes washers
Average
Lifetime (years)
Discount
Factor*
13
0.83
20
15
12
18
0.76
0.81
0.84
0.78
(*) Based on a discount rate of 5% and increases in the price of energy of 2% per
year above inflation.
Use the worksheets below to compare different models of appliances you
are considering.
Worksheets for computing lifecycle costs
Electricity Price
C/kWh
Gas
e/therm
(Obtain from your utility bills or call your utilities)
Appliance
Model
Annual
Energy
cost
Purchase
Price
Estimated
Lifetime
Discount
Factor
Lifecycle
cost
)=
+(
X
x
+(
X
X
+(
X
X
)=
+(
X
X
)=
+(
X
x
)=
+(
X
X
)=
+(
X
x
)=
+(
X
X
)=
+(
X
x
)=
+(
X
x
)=
I
=
Unfortunately, accurate lifecycle cost comparisons between different central
air conditioners and furnaces must also include information concerning
local climate and the condition of a home. Therefore, this procedure for
computing lifecycle costs does not apply to these products.
27
FOR MORE INFORMATION
ACEEE also publishes the 1991 Consumer Guide to Home Energy Savings.
This illustrated, 252-page book contains expanded listings of energyefficient appliances and practical suggestions on how to reduce energy use
and help protect the environment. This guide is available in bookstores, and
it costs $6.95.
Most of the listings in this booklet were derived from the following product
directories, available from the respective industry associations.
“1 990 Directory of Certified Refrigerators and Freezers”, Association of
Home Appliance Manufacturers, Chicago, January, 1990.
“1990 Directory of Certified Room Air Conditioners”, Association of Home
Appliance Manufacturers, Chicago, March 1990.
“Consumer’s Directory of: Certified Efficiency Ratings for Residential heating
and Water Heating Equipment”, Gas Appliance Manufacturers Association,
Arlington, VA, April, 1990.
“Directory of Certified Unitary Air Conditioners, Unitary Air-Source Heat
Pumps, Sound-Rated Outdoor Unitary Equipment”, Air Conditioning and
Refrigeration Institute, Arlington, VA, Feb.-July 1990.
Additional information was obtained from the California Energy Commission
and the Federal Trade Commission.
c
Y
ABOUT ACEEE
The American Council for an Energy-Efficient Economy (ACEEE) is a nonprofit orgapization which gathers, evaluates and disseminates information to
stimulate the use of energy conserving technologies and practices.
ACEEE conducts research and analyses to convert information regarding
energy efficiency into forms that are useful to utilities, private companies,
government officials and individual consumers. We also sponsor workshops
and conferences to enhance information exchange between the various
groups interested in this topic.
ACEEE IS supported by a broad variety of foundations, government
organizations, research institutes, ut es and corporations.
The results of our work are available in a number of books. technical
reports and consumer guides. If you would like more information about
ACEEE activities and publications, please write to us:
ACEEE
Suite 535
1001 Connecticut Ave. NW
Washington, DC 20036
,
J

Energy Efficient Appliances - 1990-91

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