Duct Leakage Test Form Nc

A duct leakage test duct testing can be performed at rough in before drywalling or post construction.

Duct leakage test form nc.

Insulation r total duct leakage test result sect. Example blank form duct leakage test form customer information. Perform the hvac system air leakage test and record the cfm25. Joints and seams shall comply with section 603 of the nc mechanical code.

The duct leakage information including duct leakage test selected and result tester name date and contact information shall be included on the certificate described in section n1101 3. Meeting the nc 2012 energy code requirements. Retrotec model 200 ductester operation manual for residential applications rev 2015 01 22. The nc 2012 residential energy code requires duct testing in new homes.

403 2 2 cfm25 total 100sf target. 0 30 name of tester company. 6 name of tester company. Duct tightness shall be verified as follows.

All ducts air handlers filter boxes and building cavities used as ducts shall be sealed. Get and sign nc duct leakage test form pressure differential of 0 1 inches w g. Building air leakage visually inspected according to 402 4 2 1 or building air leakage test results sec. Mastic works best on metal ducts and seams.

Block if present the ventilation air duct connected to the conditioning system. Ul181 labeled tape or mastic. If different from above street. Duct air leakage test section 403 2 2 sample worksheet n1103 2 2 sealing.

Total duct leakage rate must be 6 or less and recorded on the energy efficiency certificate. The system will need to achieve a leakage rate of less than 4 cfm cubic feet per minute per 100 square feet of the home. 25 pa across the entire system including the manufacturer s air handler enclosure.