Air Duct Leakage Test Cost

Our rebate program covers 75 of repair costs or up to 400 of duct testing and qualified repairs.

Air duct leakage test cost.

Leakage class can be calculated using equation 3 but needs to be specified if duct air leakage tests are required. When the ducts and air handlers are entirely within the building thermal envelope. Check the duct joints. Duct system testing including air flow and leakage tests.

Tested at 25 pascals total leakage less than or equal to 4 cubic feet per minute per 100 square foot of conditioned floor area. Energy saver can identify and repair all of your ductwork issues. 750 pa wg class or lower be tested because this is generally not cost effective. Hvac air duct leakage test manual.

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. 25 pa across the system including manufacturer s air handler enclosure all registers taped or otherwise sealed post construction test. For duct systems constructed to 4 1000 pa wg class and higher the designer must determine if any justification for testing exists. Defects in a duct system can waste hundreds of dollars a year by forcing your hvac system to run longer than necessary.

Not quite as cost effective as duct testing but reducing house leakage is often the next most cost effective service you can provide. Total leakage measured with a pressure differential of 0 1 inch w g. Duct sealing to eliminate leaky ducts and improve efficiency. The cost for cool touch to perform a duct leak test is just 99 00 per system and usually takes about 2 3 hours to perform the test.

If it does the contract documents must clearly designate the. How to tell if your air ducts are leaking money. In many cases the duct system is leaky because it was never sealed when the home was built. That means dollars out of your pocket it doesn t matter how energy efficient your air conditioner or furnace is if your air ducts don t properly transport the.

Total leakage measured with a pressure differential of 0 1 inch w g. According to research done by pacific gas and electric company pg e faulty duct work accounts for more than 25 percent of the heating loss in an average california home. 200 00 for the first system 150 00 for each additional system. If your hvac system isn t blowing air when you re checking your ductwork you won t be able to locate less obvious leaks.

The testing is mandatory. The culprit may be leaky ducts. If you perform a duct leakage test the two can be combined so you can test duct leakage to outdoors which negates leakage at the registers and can speed up the test. Ducts shall be pressure tested to determine air leakage by either of the following.

What causes a leaky duct system. In a typical home about 20 of the air that moves through the duct system is lost because of improper installation srp s duct test and repair rebate helps you identify places in your home where energy escapes.