There are severl things to consider first: 1) Was the proper double-paned, Low-E windows made for such a location installed? 2) Is the room properly insulated? 3) Does the existing HVAC unit have the ... read more
The above are two good, and siilar in approach answers, but there are two issues it seems no one includes:
1) If you house was built before 1978 it must be inspected by a certified contractor or lead ... read more