Got the serviceman out today to look at the heat pump. Low on Freon. Recharged it and it's back blowing cool air. Over 15 years, it had lost ~2/3's of it's charge. Probably should have gotten him to check for leaks, but I didn't. This should keep it running for another 5 or 6 years... (Yeah, I know. "Greenhouse" gases & such. But at $75/ ( Read more... )