The way I understand is Comfort-R is setup on the furnace board (?) 50% for 1 min, 80% for 7.5min...etc. What does tstat XL800 do in this case? Just wondering who is telling whom to turn on and run for <b>T</b> amount time for <b>S</b> fan speed??
Air filter: the contractor is selling Natures Home Micro power Guard (electronic air cleaner), some of pro here think it's screwy A friend of mine has one of those thick MERV 7-10 filter seem to work well enough... what is a good size filter to have?
okay, I think I have too many question better stop.