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Blower Door Test

Matt Risinger · tutorial · Watch on YouTube

Power grid, heating & buildingsCivil engineering & construction

What it is

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.

Why Hacker News recommends it

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

  • 2 people recommended it
  • 2 different months
  • 0 strong recommendations
  • first 2017, last 2023

What HN commenters said

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

    Shows a blower door test of home energy efficiency.

    FidelCashflow, 2017-09 · Recommendation · in “Simple Techniques for Lowering the Cost of Zero-Energy Homes”

  2. “Do a blower door test and see where the air is coming in/out”

    How to find air leaks with a blower door test.

    throw0101a, 2023-07 · Recommendation · in “Heat Pumps – The Well-Tempered Future of A/Cs”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: blower door test, air leakage, building science, home construction, insulation

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