The window (frame) surface is cold, but the air in the apartment is humid. Humid air condenses on a cold surface (when it drops below the dewpoint temperature).
So you can either make the window fram ... read more
Let's hear it for Elon Musk and his efforts to move the solar industry forward! Solar shingles have lots of potential. Hopefully, Tesla and Solar City will get it right. We used solar shingles about ... read more