A tug-of-war ensued in the late 1990s, in my opinion, as houses and windows became more and more airtight. The building code ...
For decades, the code told us we either had to have an operable window in a bathroom or a minimum 50 cubic-foot -per-minute ...
German solar company Paxos Solar has unveiled a glass-glass photovoltaic tile that can be installed on roofs and connected to ...