by John Krigger | Jan 21, 2022
(1.5 CEUs) Crawl spaces cause many energy and moisture problems. This lesson covers how crawl spaces cause problems, and how you can manage crawlspace problems. You’ll learn the following. How moisture invades crawl spaces.How to stop crawlspace moisture at its...
by John Krigger | Jan 21, 2022
(2.0 CEUs) Healthy buildings expel harmful indoor air pollutants through ventilation. Most modern, airtight buildings use mechanical ventilation to exhaust polluted air and replace it with fresh air. This lesson covers how ventilation improves human health, building...
by John Krigger | Jan 14, 2022
(8.0 CEUs) Air leakage doesn’t provide reliable ventilation. As we make buildings more airtight, we must install whole-building ventilation. This course discusses building-science principles such as: indoor-air quality, air leakage, relative humidity, and...