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Duct Leakage Test Form for MA Code Compliance - mass

Duct Leakage Test Form for MA Code Compliance - mass 2026

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The document is a Duct Leakage Test Form designed for compliance with Massachusetts building codes. It collects client and building information, details multiple duct systems being tested, and records leakage measurements to assess compliance with the 2009 IECC standards. The form includes sections for tester certification and HERS rater information.

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Click ‘Get Form’ to open it in the editor.
Begin by filling out the Client Information section. Enter your name, address, city/state/zip, phone number, and email. This information is crucial for identifying the test requester.
Proceed to System #1. Specify the location of the duct system and select the type of test (Total or to Outside). Fill in the approximate floor area served and record the CFM leakage at 25pa along with the percentage leakage for a single system.
Repeat step 3 for Systems #2, #3, #4, and #5, ensuring all relevant details are accurately captured for each system.
In the Combined Results section, calculate and enter the total conditioned floor area and combined leakage values. Select the appropriate leakage limit based on compliance requirements.
Finally, certify that the test was performed according to applicable standards by signing and dating in the designated areas. Include HERS Rater details as necessary.

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We have answers to the most popular questions from our customers. If you can't find an answer to your question, please contact us.

How do you test for duct leakage?

A duct leakage test can be performed by either pressurizing or depressurizing the ductwork. Ductwork that is outside the building envelope, such as in an unconditioned attic or crawlspace, should be pressurized so as to not bring in unwanted contaminants such as dust.

When conducting a duct leakage test, the entire duct system shall be included in the test.?

For the post-construction test, leakage measurement must be made across the entire system, including the manufacturers air handler enclosure, with all register boots taped or sealed at a test pressure of 0.1 inches w.g. (25 Pa).

Is a duct leakage test required?

Duct leakage testing, or duct blaster testing, is required for new duct systems installed outside the thermal envelope of a home.

What is the standard for duct leakage test?

Standard: The measured duct leakage must not exceed 0.06 CFM25 x floor area (in square feet) served by the system. Duct testing device. Manometer (a second manometer is helpful, but not required) Tape and paper or duct mask to seal registers.

Should ductwork be checked for leaks?

HVAC ductwork testing is the first step when leaks are blowing a hole in your budget. Up to 30% of conditioned air can be lost through duct leaks. Not only is this a waste of money from the energy used to heat or cool that lost air, but the HVAC system will work harder trying to meet the temperature setpoint.

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