Originally Posted by ttpete
Not so. I installed one in my family room to replace a wall mount gas heater and an air conditioner, and saved almost $750 the first year. The unit sits outside and is plumbed to an air handler on the back wall. It's 18,000 BTU and is made in Germany. Brand name is Grunaire.
How cold does it get there?
18,000 BTU is about 1/5th the size needed here...