The Controversy about Residential Ventilation Rates

Ventilation Energy Use

Course Description

There is currently an enormous difference between the residential ventilation rates recommended by the International Residential Code (IRC) and ASHRAE.  This short presentation describes the most common current approach to ventilation (exhaust-only ventilation) before outlining the main differences between the recommended code rates and the ASHRAE rates, applying each to a hypothetical new house.

Course Instructor Christine Williamson

Course Length 10:30

Published 15 Jun 2022


About Building Science Fight Club

Christine Williamson - Assoc. AIA

Building Scientist | Instructor

Christine Williamson has spent her career in building science forensics, discovering why buildings fail and working with owners, architects, and builders to remedy the problems. She is the founder of the Instagram account @BuildingScienceFightClub, an educational project that teaches architects about building science and construction.