Blower Door Test

Matt Risinger2 HN recommenders · 2017–2023
104K views · tutorial · evergreen · Uploaded 2016-06-24

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.

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

Watch on YouTube

3 comments from Hacker News

@FidelCashflow2017 · in “Simple Techniques for Lowering the Cost of Zero-Energy Homes”

A blower door test is a great measure of a homes energy efficiency and it's quite cheap to have done. Not sure if YT links are OK but check out Matt Risinger Blower Door Test [VIDEO]

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@berjin2022 · in “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. [VIDEO]

@throw0101a2023 · in “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] * [VIDEO] * [LINK] Then plug the holes.

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