# Are municipalities requiring blower‑door tests on major renovations; what targets are pass/fail locally?

**URL:** <https://home.renovation.reviews/t/are-municipalities-requiring-blower-door-tests-on-major-renovations-what-targets-are-pass-fail-locally/20015>\
**Category:** Trade Talk\
**Created:** [August 4, 2025, 3:21pm UTC](https://home.renovation.reviews/t/are-municipalities-requiring-blower-door-tests-on-major-renovations-what-targets-are-pass-fail-locally/20015 "2025-08-04T15:21:40Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![reno\_questions](https://home.renovation.reviews/user_avatar/home.renovation.reviews/reno_questions/32/2758_2.png) [@reno\_questions](https://home.renovation.reviews/u/reno_questions)\
**Post date:** [August 4, 2025, 3:21pm UTC](https://home.renovation.reviews/t/are-municipalities-requiring-blower-door-tests-on-major-renovations-what-targets-are-pass-fail-locally/20015/1 "2025-08-04T15:21:40Z")

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Are municipalities requiring blower‑door tests on major renovations; what targets are pass/fail locally?

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**Author:** ![Tim\_Michael1](https://home.renovation.reviews/user_avatar/home.renovation.reviews/tim_michael1/32/6294_2.png) [@Tim\_Michael1](https://home.renovation.reviews/u/Tim_Michael1)\
**Post date:** [August 13, 2025, 4:22pm UTC](https://home.renovation.reviews/t/are-municipalities-requiring-blower-door-tests-on-major-renovations-what-targets-are-pass-fail-locally/20015/2 "2025-08-13T16:22:40Z")

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Energy codes, like IECC, mean big renovations or additions often need a blower-door test for the final inspection. Passing scores depend on the location, many aim for 3–5 ACH50 in existing homes. Some places just want the test done and recorded. But, they’ll probably call you out if your house is super leaky.

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**Author:** ![Bobby\_Michael](https://home.renovation.reviews/user_avatar/home.renovation.reviews/bobby_michael/32/2057_2.png) [@Bobby\_Michael](https://home.renovation.reviews/u/Bobby_Michael)\
**Post date:** [August 13, 2025, 4:32pm UTC](https://home.renovation.reviews/t/are-municipalities-requiring-blower-door-tests-on-major-renovations-what-targets-are-pass-fail-locally/20015/3 "2025-08-13T16:32:51Z")

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Municipalities are increasingly requiring blower-door tests for major renovations to ensure energy efficiency and airtightness in buildings.