Copperas Cove, TX · Coryell County

No notary required

Duct Leakage Affidavit

This form records duct and building thermal envelope leakage test results for property owners, builders, and testing technicians submitting covered residential projects.

What this form is

The Building Department requires this completed form for new one- and two-family dwellings, townhouses, and mechanical projects involving installation or replacement of duct systems for those dwelling types. It records the site address, permit number, test options, calculations, results, and testing technicians’ certifications and signatures for duct leakage and building thermal envelope leakage tests.

Who needs it

Builders and testing technicians must complete this form for covered new dwellings and mechanical projects involving duct system installation or replacement.

How to submit it

Submit it to the city department named on the form; check the city website for current contact details.

About notarization

This form is signed and dated without a notary; it lists no notarized or sworn attachment, so the signer just signs and dates it.

How to submit this form

  1. 1

    Download The Form

    Download the Duct Leakage Affidavit for the covered dwelling or mechanical project.

  2. 2

    Complete Project Details

    Fill in the site address, permit number, date, conditioned floor area, and applicable test information.

  3. 3

    Record Test Results

    Enter the applicable duct and building thermal envelope leakage test calculations and results.

  4. 4

    Sign And Submit

    Have the testing technician sign and date the form, then submit it to the city department named on the form.

Frequently asked questions

Who needs to complete the Duct Leakage Affidavit?
The completed form is required for new one- and two-family dwellings, townhouses, and mechanical projects installing or replacing duct systems for those dwelling types.
What information does the form request?
It asks for project and permit details, test options and calculations, leakage test results, company information, and testing technicians’ certifications, signatures, and dates.
Do I need a notary for the Duct Leakage Affidavit?
No. This form is signed and dated without a notary, and it lists no notarized or sworn attachment.
How do I submit the Duct Leakage Affidavit?
Submit it to the city department named on the form; check the city website for current contact details.

Need something notarized?

This Duct Leakage Affidavit doesn’t need a notary — but Texas residents can notarize other documents online with a commissioned online notary.