Duct Leakage Test Form

Total leakage measured with a pressure differential of 0 1 inch w g.

Duct leakage test form.

The total leakage test is not required for ducts and air handlers located entirely within the building thermal envelope. Now you may print save or share the form. Example blank form duct leakage test form customer information. Oriflow duct leakage test sheet.

If different from above street. Leakage to outside total leakage maximum duct leakage. 1 blower with speed control vfd to generate range of pressure flowrange of pressure flow 2 flow measuring devices flow grid flow station high flow flow grid flow station high flow orifice plate low flow. It calculates duct surface area measured system leakage rate and pass fail criteria.

Air handler in conditioned space. Yes no air handler present during test. Signature types of testing and total duct leakage test limits as described in iecc2009 and adopted by the state of louisiana. Ducts located in crawl spaces do not qualify for this exception.

Block if present the ventilation air duct connected to the conditioning system. Test apparatustest apparatus duct leakage test system consists of duct leakage test system consists of. The filter shall be removed and the air handler power shall be turned off. Follow the support section or contact our support group in the event you ve got any questions.

Figure 5 1l from the 2012 smacna hvac air duct leakage test manual shows the allowable leakage as a function of duct leakage classification and static pressure in the duct. Leakage class can be calculated using equation 3 but needs to be specified if duct air leakage tests are required. 25 pa across the system including manufacturer s air handler enclosure all registers taped or otherwise sealed. The duct air leakage testing equipment shall be attached to the largest return in the system or to the air handler.

If all of the ductwork and air handler are in the conditioned space this test is not required. Ducts shall be pressure tested to determine air leakage by either of the following. Percent allowable use this adobe pdf form for calculating allowable leakage cfm based on percent allowable input.