Originally Posted by IGOTTAHEMI
dbl pane windows
R19 in walls
R38 or more in ceiling
House is only 5 years old, so yes it's faily efficient
The new room will have an open concept, so plenty of air flow from existing house to new part. You won't be able to tell it's an addition, appearance wise.
Thanks for the thoughts
Wisconsin...........cold as he
..........your going to need supplimental heat for that room, how about a electric baseboard for that room. Its economical, runs off of its own t-stat and its quite, even heat.
Put it in.........if yopu need it its there...........if not then great but better to have it and not need it, then to need it and NOT have it.