Resource Library
Home Performance: Borderline of Balanced Ventilation: When Bath Fans Won’t Work, and an ERV Becomes Necessary at Home
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
NESP: Methods, Tools and Resources Handbook
Download and view the manual which provides technical information on how benefits and costs of DER investments can be quantified (monetized or otherwise), with links to resources and tools.
Building Science: Remodeling Old Homes
Watch to learn about the building science of remodeling old homes.
Building HVAC Science Podcast: Revolutionizing Home Comfort: Marco Radocaj’s Balanced Approach to HVAC
Listen to the Building HVAC Science Podcast discuss the home balance approach to HVAC improving how homes are balanced regarding enclosure, occupants, and mechanical systems.