This article was written from my experience with the 3 main factors of IAQ, it should help educate techs. It was written to also share with your customers to educate them and to identify and rectify their indoor air quality issues to sell properly and not randomly. https://www.hvacknowitall.com/blogs/blog/670018-indoor-air-monitoring-to-increase-iaq#.YIiXZFNE2DY #teachme

Posted by HVAC Know It All at 2021-04-27 23:29:49 UTC