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Builders, Code Officials, and HERS Raters Working Together
This webinar is being recorded and will be available at: www.pennenergycodes.com Builders, Code Officials, and HERS Raters Working Together www.pennenergycodes.com Introduction Presented by: Mike Turns, Senior Program Manager Performance Systems Development (PSD) Principle Investigator, Pennsylvania Energy Code Field Study/Penn Energy Codes Program Continuing Education PA L&I CEUs for code officials for this webinar ($20 admin fee): After the webinar, go to: http://store.psdconsulting.com/node/962 Answer all poll questions Enter the code to be given later in the webinar Groups watching the webinar from the same computer must send a signin list including the name, email and signature of each attendee. These individuals must also take and pass the post-webinar quiz. 3 http://store.psdconsulting.com/node/962 http://store.psdconsulting.com/node/962 Program Resources Current program offerings: • Free Energy Consultations for Builders • Custom training and technical assistance for code officials and builders/contractors • Classroom training and webinars • E-CODE Assistant iPad app • Energy Code Challenge • Website: www.pennenergycodes.com Overview 1. Introduction of the Home Energy Rating System (HERS) 2. Who are HERS Raters? 3. Relationship between codes and Rater skills 4. Communication and documentation 5 What is your profession? POLL 1 How would you rate your knowledge of the Home Energy Rating System (HERS)? POLL 2 7 What is the Home Energy Rating System? 8 What is the Home Energy Rating System? 9 What is the Home Energy Rating System? • ANSI/RESNET 301-2014: Standard for the Calculation and Labeling of the Energy Performance of Low-Rise Residential Buildings using the HERS Index • Certified Raters perform: • Software analysis • Performance testing • Blower door • Duct leakage • Insulation and air barrier inspections 10 Market Share of HERS Rated Homes 2014 2015 Homes % of SF Homes % of SF Rated Permits Rated Permits United States 146,739 23% 190,180 28% Pennsylvania 2,408 15% 3,128 23% • Number and proportion of Rated homes is growing What is the Home Energy Rating System? • Section R406: Energy Rating Index Compliance Alternative 12 Who are Home Energy Raters? Trained residential energy experts: • Two-week long training • National Rater Exam • Mentoring for first 5 Ratings • “Providership” QA on a percentage of all Ratings • Continuing education 13 What services can HERS Raters provide? Utility Rebate Programs Building science consulting/ comfort/ diagnostics Code Services Above-Code Services IRS Tax Credit IECC Requirements Suited for HERS Raters 2006 2009 2012 2015 • Air sealing list • Above-code programs • Above-code programs • Above-code programs • UA Tradeoff • UA Tradeoff • UA Tradeoff • UA Tradeoff • Equipment sizing/select • Equipment sizing/select • Equipment sizing/select • Equipment sizing/select • Simulated Performance Alternative • Blower door test (optional) • Blower door test (mandatory) • Blower door test (mandatory) • Detailed air sealing and insulation inspection criteria • Detailed air sealing and insulation inspection criteria • Detailed air sealing and insulation inspection criteria • Duct testing • Duct testing • Duct testing • Simulated Performance Alternative • Simulated Performance Alternative • Simulated Performance Alternative • Energy Rating Index Path Equipment Sizing/Selection • Equipment selected per Manual S, based on calculations performed using Manual J Air Sealing Verification • Building envelope air tightness and insulation installation shall be demonstrated by: • Blower door test, or • Visual inspection • Building official may require third party agency to conduct either blower door test, visual inspection or both Testing Option – Building Envelope Leakage Limits • Max leakage: 7.0 ACH50 • ACH50 = Air Changes per Hour at 50 Pascals of pressure • Roughly equal to 0.35 ACH natural Air Barrier and Insulation Inspections External envelope insulation for framed walls is installed in substantial contact and Air barrier and thermal barrier continuous alignment with building envelope air barrier Shower/tub on exterior wall Showers and tubs on exterior walls have insulation and an air barrier separating them from the exterior wall Air Barrier and Insulation Inspections • IECC 402.4.2.2. Where required by the code official, an approved party independent from the installer of the insulation shall inspect the air barrier and insulation • Code office may provide a list of approved parties IECC Duct Leakage Verification Four options: Max cfm25/100 sqft CFA Post-construction test Leakage to Outdoors Total Leakage Rough-in test Total Leakage Total w/o air handler 8 □ 12 □ 6 4 □ □ CFM25 = Cubic Feet per Minute at 25 Pascals of pressure CFA = Conditioned Floor Area served by the system UA Tradeoff • Helping builders find cost-effective building thermal envelope solutions 22 Simulated Performance Alternative • Compares the estimated annual energy cost of a proposed design to the standard reference design (similar to a rating) • Thermal envelope tradeoffs • Air tightness credit • Duct tightness and insulation credit Software Tools Ekotrope, HERS Module v2.0 Ekotrope Website: ekotrope.com Date of Expiration: December 31, 2016 EnergyGauge® USA V 5.0 Florida Solar Energy Center Website: www.energygauge.com/usares Date of Expiration: December 31, 2016 IC3 v4.01 Energy Systems Laboratory Website: ic3.tamu.edu/ Date of Expiration: December 31, 2016 REM/Rate REM/Design 14.6.2 NORESCO Website: www.remrate.com Date of Expiration: December 31, 2016 Right-Energy® IECC Wrightsoft Corporation Website: www.wrightsoft.com Date of Expiration: December 31, 2016 RESNET Accredited IECC Performance Verification Tools (not a code requirement) http://www.resnet.us/professional/programs/iecc_programs 24 Above-code Programs IECC 102.1.1. Above code programs. • The code official shall be permitted to deem national, state or local energy efficiency program to exceed this code • Buildings approved in writing by such a program shall be considered in compliance with this code • “Mandatory” requirements shall be met Have you ever spoken with a HERS Rater? POLL 3 26 Have you ever worked with a HERS Rater? POLL 4 27 COOPERATION 28 Raters and Code Officials – Mutual Respect • HERS Raters are not Code Officials • Can be a resource for code officials and builders • Code Officials are not HERS Raters • Can be a resource for Raters and builders 29 Raters and Code Officials working together - Challenges • Differing interpretations of the code • Code official, Rater, builder, neighboring code official • What Helps? • Go to the source – review code language together • Use ICC code commentaries and interpretation services • Refer to building science and code resources • Connect with colleagues • Keep an open mind • Code official in each jurisdiction has the final say 30 Raters and Code Officials working together - Opportunities Complementary expertise • Code officials • Top priorities – life/health/safety • Busy • May lack training and/or interest in energy • Raters • Top priorities – energy/health/comfort • Energy specialists • Energy geeks with lots of training 31 Raters and Builders • Builder concerns • Cost • Liability • Customer satisfaction • Increasing sales • Raters provide • Consulting for cost-effective compliance & efficiency • QA of subcontractors • Reduced comfort complaints • Access to marketing tools 32 Street Cred • Other ideas for Raters: • Attend energy code trainings in your area and network with code officials • Join your local ICC chapter and attend events • Give seminars for builder building department staff and ICC chapters • Become a certified energy inspector/plans examiner 33 Providing the Right Documentation 34 Documentation • Communicate documentation requirements • Does the code office have standard forms? • If not, Raters can provide examples 35 Documentation – Above-Code Programs • Certificate • Signed checklist of “mandatory” items IECC 2009 Label 37 Documentation – Equipment Sizing/Selection • Manual J and S reports Documentation – Blower Door Testing • Recommended data: • ACH50 • CFM50 • Conditioned volume • Pass • Name/signature Documentation – Air Barrier and Insulation Inspection Name of inspector: __________ Signature: ____________ Name of Company: __________ Rater #: ______________ Documentation – Duct Leakage Documentation – Simulated Performance Alternative • Certificate from software submitted with plans Builder’s Lot 123 Main St. Anytown, USA Rachel’s Ratings 555-555-5555 Rachel Smtth Builder Barry’s Buildings • Plan review/inspection checklist • Blower door and duct leakage results Rachel Smith Rachel’s Ratings Summary 43 Summary • Raters are a resource for code officials • General energy and building science info • Code verification/documentation services • Raters are a resource for builders • Energy and building science consulting • Cost-effective energy code (and beyond-code) advice • Code verification/documentation services • Have conversations and get to know each other 44 Energy Code Consultation What it includes: • Plan review/software analysis • Air barrier and insulation inspection • Blower door test • Duct leakage test • Recommendations http://pennenergycodes.com/energyexperts/ Builders/Code Officials/Raters Contact Brandon at: [email protected] 45 OTHER OPPORTUNITIES 46 Sign up for the Energy Code Challenge Congratulations to Robert Hart of Perry County Zoning and Code Enforcement! Winner of the February round of the Challenge You have already earned 50 points in the Energy Code Challenge (link will be also sent in follow-up email) Sign up and enter BCOHR329 to receive 50 points www.pennenergycodes.com Code Compliance/Education Tablet Tool • E-CODE Assistant app • Tool: Tablet-based, interactive inspection checklist • Intended audience: Energy code inspectors, project managers, Raters Get started at www.pennenergycodes.com 48 Penn Energy Codes Website www.pennenergycodes.com Training and Technical Assistance • Training events: • April 7 – PENNBOC Region II • May 10 – PENNBOC Region V • More webinars – sign up now http://pennenergycodes.com/events/ • Custom training/technical assistance • Contact Brandon Cornell: [email protected] to apply 50 Next Month’s Webinar Understanding Blower Door Testing and Documenting (or Interpreting) Testing Results April 26, 2016 Noon to 1:00 pm PennEnergyCodes.com/events 51 Continuing Education Hours • You will receive a follow-up email in about an hour • Follow the link and enter: BCOHR329 • Or, do it now: http://store.psdconsulting.com/node/962
