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Blower Door Test

4 videos recommended on HN
YouTube
2 HN users recommended this tutorial2 months2017–2023 score 2
Years with an HN recommendation, 2007–2026

HN recommends it as a good look at how blower door tests measure a home's energy efficiency and expose cut corners.

Matt Risinger demonstrates a blower door test on a house, using a fan to measure air leakage and find where air gets in and out. It shows how the test reveals the quality of the build.

“A blower door test is a great measure of a homes energy efficiency and it's quite cheap to have done.” (HN, 2017)

2 recommendations · 1 citations · Tutorials · intro

3 Hacker News comments

From the HN archive; up to 20 kept per video, favoring different commenters. Recommendations first.

@throw0101a Jul 2023 Recommends
on HN thread Heat Pumps – The Well-Tempered Future of A/Cs
> You’re describing my situation. How do you de-leakify a house? Do a blower door test and see where the air is coming in/out: * [link] * [this video] * [link] Then plug the holes.
How to find air leaks with a blower door test.

Citations, criticism and jokes

@berjin Dec 2022 Cites it
on HN thread Government Should Incentivize High Performance Home Builders
The idea is that you don't rely on the process but measure the outcome with a device like this blower door tester. Builders are notorious for cutting corners with insulation and sealing air since it's not that obvious to the naked eye. The testing device reveals any cut corners. [this video]
Shows a blower door tester revealing cut corners.

Video list and Hacker News comment labels from HackerTube (prompted by @karpathy), released under ODC-By 1.0, built on the open-index/hacker-news archive. Hacker News data is provided by Y Combinator; comments remain the work of their authors. Video titles, channel names and thumbnails belong to their creators and are shown via YouTube. HackerTube Watch is an unofficial edition. Data export of 2026-10-31.

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