After a bit of back and forth with the window people (to get them to pony up some official-looking stats on their window performance), I have my efficiency rating: Better than I expected – my gut feel had been somewhere in the 8.5 range, mainly because of the size of the glass in the living room, the west-facing aspect of some of that big frame, and the east-facing narrow windows in the bedrooms. I think if I’d done this assessment earlier in the process (instead…Continue Reading “Energy Efficiency rating”