#blower door

Tech Tips:

The Ups and Downs of High-Performance HVAC
This tech tip recaps the livestream by the same name, featuring HVAC School contributors Matt Bruner and Adam Mufich and special guests Michael Housh, Chris Hughes, and Dustin Cole. You can watch that livestream on our YouTube channel HERE. “High-performance HVAC” is a term we hear quite a bit these days, but it’s not easy […]
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Solving Comfort and IAQ Issues in a Vintage Home: A Case Study
By:Bryan OrrThis tech tip is a recap of the Santa Fe Dehumidifiers and Comfort Dynamics, Inc. case study about a 1941 vintage home in Miami, FL. You can listen to the podcast about that case study by clicking the play button below, and you can read the case study at https://hvacrschool.com/case-study. Special thanks to Nikki […]
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What is the Difference Between ACH & ACH50?
This photo is of a blower door test we performed at my own house using a Retrotec blower door. You will notice the 15-passenger van outside the window, which is a dead giveaway. A blower door is used to measure the tightness of a building and is often discussed in terms of an ACH50 number. […]
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Podcasts:

Blower Door Testing, Building Performance & More w/ Corbett Lunsford (Podcast)
By:Bryan OrrCorbett Lunsford In this podcast episode, Bryan talks to Corbett Lunsford about blower door testing and the coming building performance revolution. Building performance and HVAC have been becoming much more closely linked lately. So, it's a good idea for HVAC techs to learn a bit about building performance. In the HVAC world, we often […]
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