Blower Door Testing
-
Finding Air Leaks with Ultrasonic Equipment
Testing a building enclosure's air leakage rate by measuring sound wave frequency
-
Blower Door Testing on a Small House
Because blower door tests measure surface area rather than volume, ACH50 results can be misleading. The CFM50 metric is more accurate for small homes.
-
Getting Started with Air-Sealing
More building departments are beginning to require verified air-sealing. With a little information and planning, even builders new to blower-door tests can do much better than code.
-
Passing a Blower-Door Test
Addressing common areas of air leakage goes a long way toward passing mandatory blower-door tests the first time
-
Air Leaks in Existing Homes
An overview of the common places where houses leak air and compromise performance
-
How to Meet Air Leakage Requirements
First time meeting code air leakage requirements? Here’s what you need to know.
-
Zonal Pressure Diagnostics, Part II
Understanding the relationship between building envelope and attached unconditioned zones in terms of total air leakage
-
Using Smoke to Find Air Leaks
Smoke pens, smoke puffers, and theatrical foggers can help locate air leakage in a building envelope
-
Zonal Pressure Diagnostics, Part I
A look at how this diagnostic tool is being misused to estimate air leakage
-
An Energy Auditor’s Toolkit
Testing and commissioning houses requires a number of gadgets—many of which can be used across trades
