Skip to content

Resource Library

Home Performance: Borderline of Balanced Ventilation: When Bath Fans Won’t Work, and an ERV Becomes Necessary at Home

Video

Overview

Corbett Lundsford talks about when to use an ERV in a home. And when not to...

Corbett Lundsford almost never recommends that clients go with Energy Recovery Ventilators (ERVs) for efficiency reasons- it always comes down to the air-tightness of the home. At a certain point, bath fans all over the home stop being helpful and actually become a serious liability for indoor pollution, humidity control, and predictions of performance overall.

In this video, he discusses the free online calculator (https://www.redcalc.com/depressurizat…) that he uses in most consultations, and how to evaluate the numbers it generates.

Related Resources

Hyperlink icon to reveal a BPA Resource

Home Efficiency Rebates (HOMES) Program

Learn about the Home Efficiency Rebates (HOMES) Program focused on whole-house energy saving retrofits.

Download this BPA resource

Contractor Toolkit: Attracting Business Using Search Engine Optimization (SEO)

Download the Contractor Toolkit to improve your local visibility and help you attract customers online.

Download this BPA resource

BPA: Building Science Principles Course: A Free Resource for Educators

This introductory course, presented in slideshow format, is designed to be a starting point for those interested in any career in residential energy efficiency. The course provides learners with basic information on how homes work through the lens of building science.