J. BUILDING PERFORMANCE AND TESTING
J1.
J2.
THIRD-PARTY VERIFICATION OF QUALITY OF INSULATION INSTALLATION
DRAFT
CRITERIA FOR QUALIFICATION
One point of credit is available for meeting with( at a minimum) a Home Energy Rating System( HERS) rater, insulation contractor, drywall contractor, and general contractor to review the Quality of Insulation Installation( QII) and thermal bypass criteria process and the checklist to be completed by responsible parties.
Verification must be conducted by a certified HERS Rater according to the California ENERGY STAR ® New Homes Program and CEC specifications. The QII specification can be accessed through the California Energy Commission.
VERIFICATION Documentation: The Rater will collect the following:
� Meeting notes and attendance from the pre-construction meeting with the HERS Rater and subcontractors.
� Completed CF-4R forms from the HERS Rater for all homes. The HERS Rater must collect a CF- 6R from the insulation installer.
INTENT To improve energy efficiency with verification of envelope.
SUPPLY AND RETURN AIR FLOW TESTING
CRITERIA FOR QUALIFICATION
Two points of credit are available for having an experienced home performance professional test each register and match the results to the design calculations, and taking corrective action to repair any problems and achieve the performance targets.
Use a flow hood to test the total supply air flow rates in each room of the home. Adjust the air flow rates using balancing dampers( at plenum) to ensure that supply air flow rates are within +/- 10 % of the calculated values from Air Conditioning Contractors of America( ACCA) Manual J and D. The rooms should be balanced based on room size, total supply, and total return. The total supply must be within 10 % of the total return.
Testing should follow Building Performance Institute( BPI) standard testing practices, or an equivalent recognized methodology.
DRAFT GreenPoint Rated New Home Rating Manual Version 6.0, September 2013 65 © Build It Green