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Blower Door Duct Blaster Form 2026

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The document outlines the procedures and requirements for conducting blower door and duct blaster tests as part of the Texas Department of Housing & Community Affairs' weatherization program. It includes guidelines for initial assessments, final inspections, and targets for air infiltration and duct sealing. Subrecipients must meet specific performance metrics to ensure compliance, with a focus on achieving or exceeding set targets while documenting efforts to address any deficiencies.

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Click ‘Get Form’ to open the Blower Door Duct Blaster Form in the editor.
Begin by entering the 'Client' name and 'Job #' at the top of the form. This information is crucial for tracking and reference.
Fill in the 'Sq. Ft of Unit' and 'Ceiling Height' fields to provide essential details about the space being assessed.
Record readings from your initial assessment, including 'ACH TARGET', 'Initial BD CFM Reading', and duct leakage measurements. Ensure accuracy as these figures are vital for compliance.
Complete sections on duct operating pressures before sealing, pressure pan readings, and ASHRAE readings. Each field should be filled based on your assessment data.
After conducting final inspections, input final readings for BD CFM, total duct leakage, and WRTO duct leakage. This will help evaluate if targets were met.
Finally, certify that all information is true by signing as a Subrecipient Representative and adding the date before saving or sharing your completed form.

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Versions	Form popularity	Fillable & printable
2023	4.2 Satisfied (55 Votes)
2011	4 Satisfied (52 Votes)

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How long does a duct test take?

How long will a duct leakage test take? A leakage test will usually take around 40 minutes. It takes around 30 minutes to prepare the supply and return vents and 5-10 minutes to run the test.

How is a duct blaster test done?

For this test, the blower door is used to pressurize the house to 25 Pascals and the duct blaster pressurizes the ductwork to the same level. All duct leakage measured is to the outside, orunconditioned space, and represents heating or cooling energy lost.

What is the purpose of a duct blaster?

To calculate the ACH50 from the CFM50 given by the blower door we need to know the volume of the building. Multiply the flow by 60 to convert to hours, then divide by the volume. (ACH50 = airflow (CFM50) X 60 / conditioned volume) If the number is under 7 then it is a pass.

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What is the equation for the blower door test?

A blower door test costs around $325 on average, but you might pay between $200 and $450, depending on a few different factors. This test is a great way to know whether your home is leaking precious heat or air conditioning, and the results can help you pinpoint those leaks and seal them.

How is a duct blaster test performed?

The duct blaster is connected to the air handler to pressurize the taped-over duct system to 25 Pascals. This is about the pressure that an HVAC system normally experiences. The blower door is not used for this test. The Total CFM25 amount of duct leakage is determined.

Blower Door Duct Blaster Form 2026

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