Meeting the Energy Efficiency Rating Factor in NSP2: ENERGY STAR Basics for New Construction and Gut Rehab Presented by: Laura Capps & Scott Lee Southface www.southface.org Presenters Laura Capps Scott Lee Director of Residential Green Affordable Housing Program Building Services Manager Southface Energy Institute Responsible Solutions for Environmental Living • Education and Research • Policy • Green Building Services -commercial -residential -communities • Greenprints www.southface.org Neighborhood Stabilization Program – Round Two (NSP2) • Authorized under Title III of Division B of the Housing and Economic Recovery Act, 2008 (HERA) • Appropriated $2 billion for additional funds for redevelopment of abandoned and foreclosed homes and residential properties • NSP2 is a component of the Community Development Block Grant (CDBG) program • NSP2 – Notice Of Funding Availability (NOFA) can be found on line at: http://www.hud.gov/offices/cpd/communitydevelopment/pro grams/neighborhoodspg/pdf/nsp2_nofa.pdf NSP2 Funding • $1.93 billion available to carry out neighborhood stabilization programs (min grant is $5million and impacting 100+ homes) – deadline for submission of these applications is July 17th, 2009 • $50 million available to provide technical assistance to local communities receiving NSP1 or any entity receiving NSP2 funding to carry out neighborhood stabilization – deadline for submission of these applications was June 6th, 2009 Eligible Applicants for NSP2 Funding • You MUST be a: – state government, OR – a unit of general local government, OR – a nonprofit entity or consortium of nonprofit entities – AND you MUST demonstrate the capacity and experience to carry out a program of NSP2 activities NSP2 Competitive Scoring • Six rating factors that all applicants are competing for points under • 150 available points in the competitive process • 10 points are awarded for sustainable construction/development components Green building standards for NSP2 • 3 points for applications that comply with the required NSP2 rehabilitation standards AND demonstrate that: – New construction and gut rehabilitation activities will exceed the ENERGY STAR for New Homes standard OR – New construction or gut rehabilitation required to achieve an established performance standard such as Green Communities or equivalent AND – Moderate rehabilitation or energy retrofits will purchase only ENERGY STAR products and appliances What is ENERGY STAR? • National program to recognize homes that are 15% more efficient than homes built to 2004 IECC www.resnet.us www.energystar.gov 2 Paths to ENERGY STAR • Performance • Prescriptive – HERS Rating – Specific List • Trade-offs • No trade-offs – Thermal Bypass – Thermal Bypass Checklist (TBC) Checklist (TBC) – Diagnostic Testing – Diagnostic Testing • 6% duct leakage • 4% duct leakage – HERS Index • Max infiltration ENERGY STAR Process for Qualification 1. Find a Rater 2. Register as an ENERGY STAR Partner 3. Preconstruction Meeting 3.5 Preliminary HERS Rating 4. Thermal Bypass Inspection 5. Make Improvements Based on Thermal Bypass Inspection 6. Final Inspection and Verification 1. Find a Rater http://www.natresnet.org/programs/providers /directory.aspx 1. Find a Rater • What to ask the rater: – Experience with ENERGY STAR in your area • http://www.energystar.gov/index.cfm?fuseaction=new_home s_partners.showHomesSearch – Choose “Home Energy Raters” – Experience with other green building programs – Services offered and turn around time – Pricing 2. Register as an ENERGY STAR Partner • Access to Partner Tools and Resources http://www.energystar.gov/index.cfm?c=bldr s_lenders_raters.nh_join 3. Preconstruction Meeting on First Home • Discuss ENERGY STAR details Determine ENERGY STAR Path • Insert ENERGY STAR details in the plans and scopes • Assign responsibility • Communicate to all project and construction team members • See NeighborWork’s Green Roadmap: http://www.nw.org/network/green/documents/GRE ENRoadmap.pdf 3.5 Preliminary HERS Rating • Provide Construction Specs to Rater • Communicate changes 4. Thermal Bypass Inspection • After insulation but before drywall 5. Make Improvements Based on Thermal Bypass Inspection 6. Final Inspection and Verification • Diagnostic Testing • Update HERS Rating 6. Final Inspection and Verification • Schedule reinspection (if needed) • Attach sticker and receive certificate Performance Path All CZ • HERS Rating – Trade-offs • Thermal Bypass Checklist (TBC) • Diagnostic Testing – 6% duct leakage • 1 ENERGY STAR Product Category • HERS Index: 85 in CZ 1-5, 80 in CZ 6-8, 77 in FL What is a HERS Rating? Components of HERS Rating 1. Assessment of Building Components 2. Diagnostic Testing 3. Software Modeling 4. Reporting Index = PEfraction x 100 x [Rated Home’s Htg + Clg + DHW + L.A.] [Ref. Home’s Htg + Clg + DHW + L.A.] where PEfraction is ratio of renewables to purchased energy & L.A. is lights and major appliances Minimum HERS Index ENERGY STAR Product Categories • Heating or Cooling Equipment • Windows • Water Heating Equipment • 5 or more light fixtures, appliances, ceiling fans with light fixtures, and/or ventilation fans Prescriptive Path CZ1-3 • HVAC – 14.5 SEER / 12 EER / 8.5 HSPF – 80% AFUE oil furnace, boiler, or gas furnace – ENERGY STAR Thermostat – 4% duct leakage – R6 insulation on ducts in unconditioned spaces (2006 IECC requires R8) • Tight Construction • Insulation ≥2004 IECC • Thermal Bypass Checklist • ENERGY STAR Windows (additional requirements) • Efficient Water Heater • 5 or more ENERGY STAR appliances, light fixtures, ceiling fans with lights, water heaters and/or ventilation fans Prescriptive Path CZ4-8 • HVAC – 13 SEER AC or – 14.5 SEER / 12 EER / 8.5 HSPF – 85% AFUE oil furnace or boiler; or 90% gas furnace – ENERGY STAR Thermostat – 4% duct leakage – R6 insulation on ducts in unconditioned spaces (2006 IECC requires R8) • Tight Construction • Insulation ≥2004 IECC • Thermal Bypass Checklist • ENERGY STAR Windows (additional requirements) • Efficient Water Heater • 5 or more ENERGY STAR appliances, light fixtures, ceiling fans with lights, water heaters and/or ventilation fans Window Details Window Details for BOP • 0.75% decorative allowance • Max 18% Window to Floor Area Ratio • CZ 2 & 4 must exceed ENERGY STAR – CZ 2: U ≤ 0.55; SHGC ≤ 0.35 – CZ 4: U ≤ 0.40; SHGC ≤ 0.45 Water Heater Details for BOP Type 40 Gallons 60 Gallons 80 Gallons Gas 0.61 EF 0.57 EF 0.53 EF Electric 0.93 EF 0.92 EF 0.89 EF • Energy Factor (EF) = Firing and Stand-by losses • Use equation for alternate sizes Heating or Cooling Equipment Details (Apply to performance and prescriptive paths) • Heating or Cooling Equipment – Manual J 8th Edition • 99% outdoor temps • 75ºF indoor temp • Infiltration Rate: “tight” – Cooling sized within: • CZ 1-4 = 15% • CZ 5-8 = 25% – ARI Match (www.ahridirectory.org) – Adaptive Recovery on Heat Pump with Programmable T-stat Thermal Bypass Inspection • Insulation and air barrier alignment • Insulation Installation Quality – Grades I, II, III • Insulation supported properly Thermal Bypass Inspection • Insulation Grade III Thermal Bypass Inspection • Insulation Grade I Thermal Bypass Inspection • Blocking, sheathing and insulation*: – Behind Tub/shower – Behind Fireplace – Insulated Attic Slopes – Attic Kneewalls – Blocking at floor joists • Attic, porch, garage, etc. – Double walls *CZ1-3 Grade I fully supported can omit air barrier Thermal Bypass Inspection Thermal Bypass Inspection Thermal Bypass Inspection Interior air Interior air barrier barrier Exterior boundary Exterior air barrier Interior wall with insulation The interior wall Double wall area with exterior air filled with insulation barrier Thermal Bypass Inspection • Airsealing Thermal Bypass Inspection Thermal Bypass Inspection • Attic Access Common Obstacles • Manual J and ARI match • Site Super and Subcontractor Communication • Details on insulation installation and airsealing ENERGY STAR Process for Qualification - Recap 1. Find a Rater 2. Register as an ENERGY STAR Partner 3. Preconstruction Meeting 3.5 Preliminary HERS Rating 4. Thermal Bypass Inspection 5. Make Improvements Based on Thermal Bypass Inspection 6. Final Inspection and Verification Paths to ENERGY STAR • Performance Path (HERS Rating) – http://www.energystar.gov/ia/partners/bldrs_le nders_raters/downloads/PerfPathTRK.pdf • Prescriptive Path (BOP) – http://www.energystar.gov/ia/partners/bldrs_le nders_raters/downloads/Nat_BOP_Final.pdf • Region Specific California, Hawaii, Guam, and Florida (effective June 1, 2009) Going Beyond ENERGY STAR • To earn the 3 points, projects must exceed ENERGY STAR • Green Communities and other programs are accepted in place of creating a new standard • Appendix 2 Incentives • www.dsireusa.org Additional Tools & Resources Thank you!
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