[zcaveman]

Originally Posted by villages07

Also, many of us bought 10 yr extended warranty on the Trane heat and A/C units and at least one of the major companies (Munns) requires an annual checkup to keep the warranty in effect. Not sure if that is a Trane requirement or the company with whom you purchased the warranty. But, like iaudit said, it gets so much use that I feel the need to get it checked out. Never did this regularly with my heat pump "up North".

I agree. I need the annual checkup to keep the warranty going.

I also put a cup of bleach down the overflow pipe (?) every quarter to keep the mold and stuff out of it.