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 report.
Test apparatustest apparatus duct leakage test system consists of duct leakage test system consists of.
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Primary location of supply.
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Test details and contact information are easily entered into a spreadsheet with dropdowns and then display on.
If different from above street.
Duct leakage test form customer information.
Duct leakage test report.
A duct leakage test duct testing can be performed at rough in before drywalling or post construction.
In both cases the requirements are the same.
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.
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.