Matthew Stewart's Discussions
Started this discussion. Last reply by tedkidd Feb 29, 2012.
I have proposed spray foam for my clients soffits after showing him the blue region with my infrared camera. The client wants additional return on investment calculations for this measure. I have…Continue
Started this discussion. Last reply by tedkidd Oct 13, 2011.
What would you estimate the AFUE is for a 70 year old boiler?