Duct Leakage Test Form Nc

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.

Duct leakage test form nc.

A duct leakage test duct testing can be performed at rough in before drywalling or post construction. Get and sign nc duct leakage test form pressure differential of 0 1 inches w g. 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. Use only approved durable materials to seal ducts.

Total duct leakage rate must be 6 or less and recorded on the energy efficiency certificate. For the test criteria the report shall be produced in the following manner. In both cases the requirements are the same. 25 pa across the entire system including the manufacturer s air handler enclosure.

Joints and seams shall comply with section 603 of the nc mechanical code. 6 name of tester company. Example blank form duct leakage test form customer information. Mastic works best on metal ducts and seams.

The nc 2012 residential energy code requires duct testing in new homes. Retrotec model 200 ductester operation manual for residential applications rev 2015 01 22. Block if present the ventilation air duct connected to the conditioning system. Meeting the nc 2012 energy code requirements.

If different from above street. Ul181 labeled tape or mastic. 403 2 2 cfm25 total 100sf target. Perform the hvac system air leakage test and record the cfm25.

All ducts air handlers filter boxes and building cavities used as ducts shall be sealed. 0 30 name of tester company. Duct tightness shall be verified as follows.