New Homes Program Guide v4.5

Transcription

NEW HOMES
PROGRAM
2016 PROGRAM GUIDE
Focus on Energy, Wisconsin utilities’ statewide program for energy efficiency and renewable energy, helps eligible residents
and businesses save energy and money while protecting the environment. Focus on Energy information, resources and financial
incentives help to implement energy efficiency and renewable energy projects that otherwise would not be completed.
©2016 Wisconsin Focus on Energy
Focus on Energy New Homes Program
2016 Program Guide – Version 4.5
2016 Updates At-A-Glance
Program Standards (Pages 3-6)

Standard 1. Energy Efficiency Requirement
o Changed the minimum percent better that code value from 10 percent to 15 percent
o Added a statement indicating that homes with any negative energy savings values, as
calculated by REM/Rate, cannot be certified

Standard 5. Full Coverage Foundation Insulation
o Removed the minimum requirement of R5

Standard 7. Whole House Ventilation
o Added information regarding the updated ASHRAE ventilation standard
Incentive and Eligibility Table (Page 8)

Added a footnote to the Incentive Eligibility Type

Updated Incentive Eligibility tables A and B
o Increased the Performance Incentive level ranges by 5 percent
o Increased Level 4 incentive of type B from $1,300 to $1,600
Technology Package Descriptions (Pages 9-11)

Omitted electric water heater option (Formerly No. 12)

Omitted De-activated Package (Formerly No. 13)

Omitted ENERGY STAR® Ventilation Products Package (formerly No. 14)

Re-numbered packages

Package 9. Water Heating Tankless
o Increased the EF from 0.82 to 0.90

Package 10. Water Heating Storage
o Added EF categories
 ≥0.67 EF for units ≤55 gallons
 ≥ 0.77 EF for units >55 gallons
Focus on Energy New Homes Program | 2016 Program Guide | Version 4.5
Page 1
New Homes Program Mission
Help homebuyers build the most energy-efficient home they can afford.
Eligibility
Any single-family home built in Wisconsin receiving natural gas and/or electricity from a utility participating in
Focus on Energy is eligible. Homes may be stand-alone, or part of a multi-unit building three (3) stories or
less. Homes must meet all applicable requirements contained within this document.
Building Performance Consultant Accreditation
Building Performance Consultants (BPCs) must be Residential Energy Services Network (RESNET®) certified
or possess an approved equivalent.
Builder/BPC Partnership
Participating builders must establish a partnership with a BPC. Both parties must complete a Trade Ally
Application in order to participate in the Program and receive incentive payments. A signed and completed
W-9 form is also required. Application: https://focusonenergy.com/trade-allies/become-trade-ally/apply
Computer Modeling
BPCs must use the Wisconsin version of REM/Rate™ energy modeling software to calculate the home’s
estimated energy efficiency.
Site Visit Protocol
A minimum of two (2) site visits are required for each Focus on Energy Certified New Home.
Site Visit 1 – Framing and Insulation Review
The BPC reviews the framing for potential air bypasses, as well as the insulation installation, to ensure
Program requirements are met. Upon completion, the BPC submits a report to the builder indicating their
findings.
Final Site Visit – Performance Testing
The final site visit consists of the following:

Blower Door Test: A blower door test is conducted to verify that the home satisfies Program
requirements for air tightness. Refer to Program Standard 2 for the air tightness requirement.

Ventilation Capacity Testing: All ventilation equipment is tested to ensure performance meets
American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE) current 62.2
Standard and New Homes Program requirements. Refer to Standards 7 and 8 for additional
information.

Program Standards Verification: The BPC confirms all applicable Program standards are met.
Page 2
Program Standards
All applicable Program standards are required for certification. Note: When Wisconsin Uniform Dwelling Code
(UDC) requirements exceed Program standards, UDC requirements shall prevail.
1. Energy Efficiency Requirement
Description: The home must be at least 15 percent more energy efficient than if it was built to the
current Wisconsin Uniform Dwelling Code. Efficiency is based on total MMBtu/year consumption as
calculated by the Wisconsin version of REM/Rate energy modeling software.
 Homes with negative energy savings values cannot be certified.
Rationale: This requirement establishes a baseline for energy efficiency.
Verification: REM/Rate’s customized Focus on Energy Certification Report calculates the percent better
than code value.
2. Air Tightness Requirement
Description: Building air-tightness must be equal to or less than 0.20 cubic feet per minute (cfm) per
square foot of the total building shell area when the home is depressurized to minus 50 Pascals.
Rationale: Building air tightness plays the most significant role in residential energy efficiency. Air
tightness not only influences heating and cooling energy consumption, but also provides draft-free
comfort and contributes to overall building durability.
Verification: Performance testing during the final site visit.
3. Sealed Sump Basin
Description: All sump basins must have an air-tight cover with all piping and electrical penetrations
sealed. Approved methods for air sealing a sump basin cover include:
 Manufactured, air-tight sump basin cover OR a custom-fit cover caulked in place.
Rationale: This requirement eliminates moisture and soil gas infiltration. It also contributes to improved
indoor air quality and home durability.
Verification: Visual verification during either site visit.
4. Sealed Plumbing Rough-in
Description: Any plumbing rough-in in the slab must be completely air sealed. Rigid code-approved
material, such as foil faced THERMAX™ sheathing, or pressure-treated wood cut to fit and caulked in
place, are acceptable methods of air sealing.
Rationale: This measure eliminates moisture and soil gas infiltration, contributing to improved indoor air
quality and home durability.
Page 3
5. Full Coverage Foundation Insulation
Description: The entire foundation wall surface must be insulated. The insulation can be located on the
interior, exterior, or a combination of both. Exceptions: Brick ledges or exposed foundation walls located
inside an attached garage, and exposed foundation walls along stairways from the basement into an
attached garage. However, it is highly recommended that these surfaces be insulated when possible.
Rationale: Insulating the foundation wall reduces heat loss and increases comfort.
6. Slab-on-Grade Thermal Isolation
Description: Slab-on-grade construction is defined as a home without a basement or crawl space. With
slab-on-grade construction, any concrete slab between the conditioned and unconditioned space must
be thermally isolated with a minimum R5 thermal break. The thermal values for complete slab-on-grade
construction must meet or exceed current Wisconsin UDC requirements SPS 322.33 - Slab Floors.
Rationale: This measure reduces heat loss and increases comfort.
Verification: Visual verification during site visit 1.
7. Whole-House Ventilation
Description: A mechanical ventilation system ducted to the outdoors must be installed to provide wholehouse ventilation, compliant with current ASHRAE 62.2 Standard and New Homes Program
requirements.
 A bathroom exhaust fan can be used to satisfy the whole-house ventilation standard. If this is the
chosen method of whole-house ventilation, the control device operating the fan must be
appropriately labeled (a simple label identifying the appropriate control device/switch fulfills this
requirement).
 Dual-function bathroom fans with built-in override switching capability also satisfy the intent of
this standard.
 Ventilation fans with a sone rating of one or less are highly recommended.
 When a balanced ventilation system is used (HRV/ERV) it becomes, by default, the whole-house
ventilation device.
The whole-house ventilation requirement will be updated in a pending release of version 15.0 of the
REM/Rate® energy modeling software to comply with the current ASHRAE 62.2 ventilation standard.
REM/Rate Version 15.0 is tentatively scheduled for release on July 1, 2016. In most cases the
ventilation requirement will increase significantly. Homes certified in the Program after June 30, 2016
must meet the new ventilation standard.
Rationale: Whole-house ventilation ensures adequate indoor air quality management, resulting in
improved home durability and comfort.
Page 4
8. Spot Ventilation for Bathrooms with a Tub or Shower
Description: An exhaust ventilation system ducted to the outdoors must be installed in any bathroom
with a tub or shower.
 Exhaust fan: Minimum tested flow of 50 cfm.
~ or ~
 Central exhaust systems: Minimum tested flow of 20 cfm continuous flow, with 50 cfm boost
capacity at each pick-up.
~ or ~
 Whole-house ventilation systems also providing spot ventilation: Minimum tested flow of 20 cfm
continuous flow with 50 cfm boost capacity at each pick-up.
 An appropriately-sized bathroom exhaust fan can be used to satisfy the whole-house ventilation
standard. If this is the chosen method of whole-house ventilation, the control device operating
the fan must be appropriately labeled. A simple label identifying the appropriate control
device/switch meets this requirement. Dual-function bathroom fans with built-in override
switching capability also satisfy the intent of this standard. Ventilation fans with a sone rating of
one or less are highly recommended.
Rationale: Spot ventilation removes moisture-laden air from the home at its source, providing adequate
indoor air quality management, home durability, and comfort.
9. Spot Ventilation for Gas and Electric Ranges
Description: An exhaust system ducted to the outdoors must be installed.
 Gas cooktops: A range hood or microwave exhaust system with a minimum rated capacity of 100
cfm.
 Electric cooktops: A range hood or microwave exhaust system with a minimum rated capacity of
100 cfm, or a central system with a minimum tested flow of 20 cfm continuous flow with a pickup and control switch located in the kitchen.
 Cooktops with downdraft ventilation with a capacity of 100 cfm meet the requirements of this
standard.
Rationale: Spot ventilation removes moisture-laden air and odors from the home at their source,
ensuring adequate indoor air quality management, home durability, comfort, and safety.
10. Space Heating and Water Heating System Design
Description:
 Any fuel-burning, forced-air space heating system must be closed combustion design with the
piping for combustion and exhaust air connected directly to the outdoors.
 Any boiler must be either closed combustion or power vent design.
 Any natural gas or liquid propane water heating system must be:
o Power vent design with the piping for the exhaust air connected directly to the outdoors.
o Direct vent design (i.e., pipe within a pipe) with the piping for exhaust and combustion air
connected directly to the outdoors.
o Closed combustion design with one pipe for the exhaust and one pipe for combustion air
 Electric water heating systems are acceptable, but not recommended, as they substantially
increase water heating cost.
Page 5
Rationale: This measure facilitates combustion safety by reducing the possibility of backdrafting.
11. Hearth Products
Description:
 Any gas fireplace must be direct vent design with the piping for combustion and exhaust air
 Any solid fuel-burning fireplace or stove must be closed combustion design, with the piping for
combustion air connected directly to the firebox and the outdoors.
 Power-vented pellet stoves must have a depressurization safety shut-off switch.
 If a solid fuel-burning fireplace or stove which meeting the requirements above is installed in the
home, a whole-house depressurization test must be conducted. Home depressurization shall not
be greater than -50 Pascals with the largest tested exhaust ventilation device running. If the
home exceeds -50 Pascals, sufficient make-up air must be provided to bring the depressurization
below -50 Pascals.
 Atmospherically vented (B-vent) fireplaces or stoves are prohibited.
Rationale: These guidelines facilitate combustion safety by reducing the possibility of backdrafting.
Verification: Visual verification and performance testing during the final site visit.
12. Carbon Monoxide Detectors
Description: Carbon monoxide detectors must be installed in any home with combustion equipment or
an attached garage. One (1) battery-operated, plug-in, or hard-wired carbon monoxide detector is
required on each floor with a bedroom. Combination carbon monoxide/smoke detectors are highly
recommended. Refer to section SPS 321.097 of the Wisconsin UDC for additional information.
Rationale: Carbon monoxide detectors are necessary for occupant safety.
Verification: Visual verification during the final site visit.
13. Insulated and Air-sealed Attic Access Hatch
Description: Any attic access hatch located in the conditioned space must be insulated to a minimum
R20. The insulation must be permanently attached to the hatch and a perimeter edge gasket must be
installed. Note: Access hatches that are painted/caulked in place do not meet the requirements of this
Standard.
Rationale: This measure increases air-tightness, reducing heat loss in the home while improving comfort.
Verification: Visual verification during the final site visit.
14. Duct Testing
Description: Duct testing per ASHRAE Standard 152-Annex A and B is required when an air handler or
any ductwork is located outside the conditioned space. The limit for duct leakage to the outdoors shall
not exceed five cfm per 100 square feet of conditioned floor area.
Rationale: Duct testing plays a role in increasing the home’s level of comfort and energy efficiency.
Verification: Duct blaster testing during the final site visit.
Page 6
Performance Incentives
Builders who construct homes which meet specified levels of energy efficiency are eligible to receive
financial incentives through the Program. Performance levels are based on the home’s estimated annual
energy consumption, compared to the same home were it built to current Wisconsin UDC. Program
incentives are awarded to the builder of the home only. Incentives are available on a first-come, first-served
basis, and amounts are subject to change without notice.
Homeowner Eligibility: Homeowners are eligible to receive performance incentives only if they served as the
general contractor—meaning they hired and managed the subcontractors who built their home.
Determining Incentives: Builders are eligible for one of two incentive eligibility categories (A or B), the
amounts of which are described within this document. The categories are based on the home’s fuel sources
and whether the utility/utilities that supply the energy participate in the Focus on Energy New Homes
Program.
Page 7
Table 1. Incentives and Eligibility:
Incentive Eligibility Type
Utility Service From Focus on Energy Participating Utility(s)
A
Natural Gas and Electric
X
Natural Gas and Electric*
Natural Gas only
X
Electric only
*Natural Gas available but not used as the primary space heating fuel source
B
X
X
Incentive Eligibility A (Gas and Electric)
Le ve l
Perf ormance Incent ives
Technology Pack ages
Amount
1
1 5 % - 2 4 .9 % better than code
None required
$150
2
Any 2 required
$425
3
Any 3 required
$1,100
4
4 5 % - 1 0 0 % better than code
Any 4 required
$1,600
Incentive Eligibility B (Electric Only)
Le ve l
Perf ormance Incent ives
Technology Pack ages
Amount
1
None required
$100
2
Any 2 required
$150
3
Any 3 required
$250
4
4 5 % - 1 0 0 % better than code
Any 4 required
$350
Technology Packages
Number
®
1
Lighting - ENERGY STAR Qualified Light Bulbs
2
3
Lighting - ENERGY STAR® Qualified Light Fixtures
Building Shell - Energy Efficient Windows
4
Building Shell - Exterior Above Grade Wall Insulation (R5 or Greater)
5
Building Shell - Rim and Band Joist Spray Foam Insulation
6
Space Heating - Furnace with ECM (Min 95% AFUE - Natural Gas) (Min 90% AFUE - Propane)
7
Space Heating - Gas Boiler (95% AFUE or greater)
8
Water Heating - Gas Boiler Indirect / Side Arm Tank
9
Water Heating - Tankless (0.90 EF or greater)
11
Water Heating - Storage Power Vented (≤55 gallons = ≥0.67. EF >55 gallons = ≥ 0.77)
Water Heating - Storage Condensing (90% TE or greater)
12
Building Shell - Above Grade Wall Cavity Insulation
13
Space Heating - Air Source Heat Pump
10
Page 8
Technology Package Descriptions
Package 1. Lighting – ENERGY STAR® Qualified Light Bulbs
 All light bulbs in the home shall be ENERGY STAR Qualified Compact Fluorescent Lamps (CFLs) and/or
Light-Emitting Diodes (LEDs).
 Includes bulbs in exterior fixtures that are permanently attached to the home.
 Excludes decorative, accent, or task lighting.
 Homes receiving electricity from a non-participating electric utility cannot claim this technology package.
Verification: Field verified. Bulb types must be confirmed on ENERGY STAR’s website using model numbers
obtained from builder invoice or bill of lading.
Package 2. Lighting – ENERGY STAR® Qualified Light Fixtures
 All interior and exterior hard wired light fixtures shall be ENERGY STAR Qualified.
 Includes LED fixtures.
 Homes receiving electricity from a non-participating electric utility cannot claim this technology package.
Verification: Field verified. Fixture types must be confirmed on ENERGY STAR’s website using model
numbers obtained from builder invoice or bill of lading.
Package 3. Building Shell – Energy-efficient Windows
 All windows located in above-grade walls shall have a U-Value of 0.24 or less.
 Includes egress windows located in any wall.
 Excludes windows located in doors, foundation walls, or garages.
Verification: Field verified. National Fenestration Rating Council (NFRC) window sticker.
Package 4. Building Shell – Exterior Above-grade Wall Insulation
 R5 or greater rigid foam insulation must be installed on all above-grade walls.
 Homes with a combination of rigid foam over oriented strand board (OSB) corner bracing are eligible.
 Insulated concrete form (ICF) and structural insulated panel (SIP) construction types qualify for this
package.
Verification: Field verified.
Package 5. Building Shell – Rim and Band Joist Spray Foam Insulation
All rim and band joists shall be insulated and air sealed with a minimum average of three (3) inches of
closed cell spray foam.
 Full height (below and above grade walls) insulated concrete form (ICF) and structural insulated panel
(SIP) construction types qualify for this package.
Page 9
Package 6. Space Heating–System – Furnace with ECM motor
 Natural gas or liquid propane.
 Minimum Annual Fuel Utilization Efficiency (AFUE): 95%–natural gas, 90%–liquid propane.
 Primary space heating fuel source.
 Multi-stage burner.
 Closed combustion unit.
 Electronically commutated motor (ECM) verified on Air conditioning, Heating, and Refrigeration Institute
(AHRI) website.
Package 7. Space Heating – Natural Gas Boiler
 Minimum AFUE of 95%.
 Primary space heating fuel source.
 Input capacity of less than 300 MBH (Thousand British Thermal Units per Hour).
 Closed combustion unit.
 Modulating burner.
 Integrated outdoor-air reset control.
 Dual function systems (such as the AO Smith Vertex water heater or Navian’s Combi Unit Boiler)
designed to supply domestic hot water and space heating are eligible for this technology package.
Package 8. Water Heating – Natural Gas Boiler Indirect / Side Arm or Internal Tank
 Whole-house system capable of supplying the entire domestic hot water demand.
 Liquid propane water heaters are not eligible.
Package 9. Water Heating – Natural Gas Tankless/On-Demand/Instant
 Energy Factor (EF) of 0.90 or greater.
 Power vented, direct vented, or closed combustion.
 Units with an internal storage tank qualify.
Page 10
Package 10. Water Heating– Natural Gas Storage
 Energy Factor (EF) of 0.67 or greater for 55 gallon units or less. (≤55 Gallons = ≥0.67.)
 Energy Factor (EF) of 0.77 or greater for units larger than 55 gallons. (>55 gallons = ≥ 0.77)
 Power vented, direct vented, or closed combustion.
 Storage/tank-type water heater.
Package 11. Water Heating– Natural Gas Storage - Condensing
 Thermal Efficiency (TE) of 90% or greater.
 Must be a whole-house system capable of supplying the entire domestic hot water demand.
Package 12. Building Shell – Above-grade Wall Cavity Insulation
 All above-grade wall cavities must be insulated with any of the following:
o Blown-in blanket (BIBs) fiberglass or cellulose.
o Wall spray fiberglass or cellulose.
o Closed cell foam.
o Combination of closed cell foam with fiberglass or cellulose.
Package 13. Space Heating – Air Source Heat Pump
 Minimum of 16 Seasonal Energy Efficiency Ratio (SEER).
 Minimum of 8.4 Heating Season Performance Factor (HSPF).
 Primary heating source for the home's living space.
 Limited to customers of participating utilities who do not have access to natural gas.
 Mini-split or ductless units do not qualify.
Page 11
APPENDIX A: Renewable Energy Program
Eligibility
Builders of Focus on Energy Certified New Homes are eligible to receive Renewable Energy Program
incentives. The incentives are available on a first-come, first-served basis and MUST BE RESERVED by the
Building Performance Consultant (BPC) after Site Visit 1. Incentives are subject to change without notice.
When a home includes a renewable energy system:
Step 1. The BPC completes the first site visit and submits the appropriate paperwork to reserve funds.
Step 2. The BPC completes the final site visit, verifying that the system has been installed and meets all
Program requirements. The BPC submits completed paperwork.
Step 3. After a quality assurance check of the paperwork, the project is submitted for payment processing. If
the paperwork is not accurate, or is missing information, it is sent back to the BPC for correction.
Step 4. The renewable energy incentive amount is added to the core Program incentive and one (1) check is
mailed to the builder.
Eligible Renewable Energy Systems
Ground Source Heat Pumps
Incentive: $650
Requirements:
 Must be the home’s primary space heating and cooling source.
 Must be listed on the Focus on Energy Pre-qualified Geothermal Heat Pump List.
 System must have an Energy Efficiency Ratio (EER) rating equal to or greater than 15 and a Coefficient
of Performance (COP) equal to or greater than 3.5.
 System must be AHRI rated.
 System must have a multi-stage compressor.
 Any system with an air handler must have an electronically commutated motor (ECM).
 Not eligible if natural gas is available but not used as the primary space heating fuel source.
Solar Electric (PV)
Incentive: Up to $2,400 (based on the size of the system)
Requirements:
 Eligible models must be selected from the qualified product list found at:
http://gosolarcalifornia.ca.gov/equipment/pv_modules.php
 Eligible inverters must be selected from the qualified project list found at:
http://gosolarcalifornia.ca.gov/equipment/inverters.php
 System capacity must be 0.5 kWDC or greater
Page 12
NOTES
QUESTIONS?
Contact Andy Kuc, Focus on Energy New Homes Program Manager
[email protected] | 608.729.6808
FOCUS ON ENERGY MISSION STATEMENT
Focus on Energy empowers the people and businesses of Wisconsin
to make smart energy decisions with enduring economic benefits.
ACTING WITH INTEGRITY
CULTIVATING OPPORTUNITY
DELIVERING INNOVATION
FOSTERING PROMOTERS

New Homes Program Guide v4.5

Transcription

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