"Always remind customer to make sure to mark out location of piping before covering!! The infrared below was taken on a new home construction project where the plumbing from boiler was covered before anyone bothered to make sure of location. Needless…"
Charlie Weschler sits down with Grace and Corbett and gives fascinating examples of the complexity of indoor air chemistry. He is an air quality legend, a professor on three continents, and a super nice guy.