Understanding Blower Door Tests

Blower door tests reveal the rate of air leakage in and out of a home

This video is only available to GBA prime members

A full energy audit can remedy many of those leaks and net energy savings.

Used by energy auditors, blower-door tests reveal where a home isn’t airtight. Leaky houses lose heat and invite moisture and air pollution into the living space. Follow along on a home-energy audit to learn what a blower-door test reveals and what fixes energy auditors recommend.

Video by: Jean Paul Vellotti and Michael Dobsevage

EDITOR’S PICKS

Video: Blower-door-directed air sealing in an existing home

Blower Door Basics

Blower Door Testing

Designing a Good Ventilation System

HRV or ERV?

View Comments

0 Comments

Log in or become a member to post a comment.

Weekly Newsletter

Get building science and energy efficiency advice, plus special offers, in your inbox.

Green Basics
Video: Duct Sealing and Leak Testing

Duct sealing and duct leakage testing: Two experts from Conservation Services Group, Eric Wilder and Will D’Arrigo, explain how to seal duct seams with mastic and how to use a Duct Blaster to test duct tightness
Green Basics
Air Barriers

An Air Barrier Is an Essential Part of the Building Envelope
Green Basics
Remodel Project: Weatherization

Air sealing, insulation improvements, and equipment upgrades save energy dollars