Duct Leakage Test Report

Duct leakage testing has become a requirement in many jurisdictions and counties throughout colorado.

Duct leakage test report.

The most secure digital platform to get legally binding electronically signed documents in just a few seconds. Both the 2009 and 2012 iecc require duct tightness to be verified. However the blower for the test apparatus would have to produce 24 cfm at 10 to 12 static. Duct leakage testing wikipedia the free encyclopedia a duct leakage tester is a diagnostic tool designed to measure the airtightness of forced air.

The purpose of duct leakage testing is to evaluate how well a home s duct system can hold air. Verification can take place via either a post construction test or a rough in test. 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. If the test is at 6 static pressure for leakage class 3 compliance i e 9 6 cfm per 100 s f with 6 orifice differential and 6 duct test pressure the meter could only indicate 24 cfm.

Start a free trial now to save yourself time and money. Duct leakage test report. 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. Duct leakage test form customer information.

For the post construction test leakage measurement must be made across the entire system including the manufacturer s air handler enclosure with all register boots taped or sealed at a test pressure of 0 1 inches w g. If different from above street. Another form of duct leakage to outside uses a blower door to measure the total amount of leakage of the house then seal off all registers and returns. Leakage class can be calculated using equation 3 but needs to be specified if duct air leakage tests are required.

Primary location of supply. Test apparatustest apparatus duct leakage test system consists of duct leakage test system consists of.