Quote:
Originally Posted by billybek
30 years of service from the old Trane unit!
Unlikely that will happen again....
I would do some serious research as to getting the most effective/efficient unit installed. I imagine you run your a/c down there a lot more than you run heat. Saving $50-80 per month on your electric bill will make the bitter pill of first cost much easier to swallow.
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There is a tradeoff here that is not always clear. The most efficient units get their efficiency by having the most complicated computer systems with the most sensors. In other words, more things to break and go wrong. The most efficient units usually require the most expensive maintenance. If you want to minimize your overall cost of ownership, I'd recommend backing off a tier or two from the most efficient model.