NAHB Credits - Insulation

NAHB CREDITS (Based on NAHB National Green Building Standard, published 2009) Possible Points
Resource Efficiency
604.1 Recycled-content Materials: Use recycled-content building materials for two minor and/or two major components of the building with a recycled content of 25% or greater. 1-2
608.1 Locally Available, Indigenous Materials: Use indigenous materials for major elements of the building. 2
609.1 Use LCA to Determine Most Environmentally Preferable Material: A more environmentally preferable product or assembly is selected for an application based on the use of a Life Cycle Assessment (LCA) tool compliant with ISO 14044 or other recognized standards that compare the environmental impact of building materials, assemblies or the whole building. 3
610.1 Plant is ISO 14001 Certified: Product manufacturer’s operation and business practices include environmental management system concepts, and the product facility is ISO 14001 certified or equivalent. The aggregate value of the building products from ISO 14001 certified or equivalent production facilities is 1% or more of the total estimated building materials cost. 1-10
Energy Efficiency
702.2 Energy Cost Performance: Energy efficiency features are implemented to achieve energy cost performance that exceeds ICC IECC by 15-60%. 30-120
703.1.1 Building Envelope: Total building thermal envelope UA improved by 10-20% over that required by IECC. Insulation must receive a grade 1 rating. 10-36
703.1.2 Building Envelope — Insulation Grade: Insulation is graded by a third party to achieve grade 1 or 2. Points will not be awarded if already awarded under 703.1.1. 10-15
703.2.1 Insulation and Air Sealing: Insulation and air sealing is installed in accordance with all NAHB National Green Building Standard requirements. 3-15
703.5.4.1 Hot Water Piping (Minimum R-4): Hot water pipes are insulated to minimum of R-4. 1
Indoor Environmental Quality
901.11 Insulation Meets Emissions Standards: Formaldehyde emissions from insulation materials are in accordance with CDPH 01350, as certified by a third party program, such as GREENGUARD Environmental Institute’s Children and Schools Certification Program or the Scientific Certification Systems Indoor Advantage Gold Program. 1-4
903.5.2 Cold Water Piping Insulation (Minimum R-4): Cold water pipes in unconditioned spaces are insulated to a minimum of R-4 with pipe insulation or other covering that adequately prevents condensation. 2
903.6 (1) HVAC System is Insulated to R-6: All HVAC ducts, plenums and trunks in unconditioned attics, basements and crawlspaces are insulated to a minimum of R-6. Outdoor air supplies to ventilation systems are insulated to a minimum of R-6. REQ
903.6 (2) HVAC System is Insulated to R-8: All HVAC ducts, plenums and trunks in unconditioned attics, basements and crawlspaces are insulated to a minimum of R-8. Outdoor air supplies to ventilation systems are insulated to a minimum of R-8. 2
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