Duct Leakage Test Form Nc

Meeting the nc 2012 energy code requirements.

Duct leakage test form nc. All ducts air handlers filter boxes and building cavities used as ducts shall be sealed. In both cases the requirements are the same. Ul181 labeled tape or mastic. Mastic works best on metal ducts and seams.

Get and sign nc duct leakage test form pressure differential of 0 1 inches w g. 403 2 2 cfm25 total 100sf target. Retrotec model 200 ductester operation manual for residential applications rev 2015 01 22. 0 30 name of tester company.

Perform the hvac system air leakage test and record the cfm25. A duct leakage test duct testing can be performed at rough in before drywalling or post construction. Total duct leakage rate must be 6 or less and recorded on the energy efficiency certificate. 6 name of tester company.

Insulation r total duct leakage test result sect. Example blank form duct leakage test form customer information. If different from above street. Building air leakage visually inspected according to 402 4 2 1 or building air leakage test results sec.

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. 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. Joints and seams shall comply with section 603 of the nc mechanical code. Block if present the ventilation air duct connected to the conditioning system.

For the test criteria the report shall be produced in the following manner. Duct air leakage test section 403 2 2 sample worksheet n1103 2 2 sealing. Duct tightness shall be verified as follows.