Allison Bailes - a trusted voice on HVAC, building science, and home performance - has turned his attention to indoor air quality in the past few years, and since the outbreak of the pandemic, learning as much as he can about how to clear the air of deadly coronavirus. In his most recent blog, he shares a simple low-cost filtration box that can be made easily with four MERV-13 filters and a box fan.
Allison has made a few of these for his own home and shares with us how to make them. On why we might want to, he gives a tip of the hat to Shawna Henderson go Blue Horse Energy in Nova Scotia, who "nerds out" in her blog "3 Principles for Good IAQ: Eliminate, Ventilate, Filtrate" to explain what types of filters work to reduce or eliminate virus-laden droplets (as well as smoke, and other tiny, dangerous particulates). Both blogs are well worth reading, and both offer simple, practical ways to clean the air and provide a a little peace of mind.
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