Central AC vs Heat Pump for replacement AC?
My AC unit is most likely on it's last legs. It's about 12 years old (Janitrol) and uses freon. I want to be ready when it gives up and quits. We have an 8 year old 92% (IIRC) efficient natural gas forced air furnace (Lennox in good condition). When it's time to replace the AC would it be wise to go with another AC or change to an air to air heat pump using the furnace as the back up. Any advise from the vast knowledge of the Family is most welcome! Around Indy the summers usually get to the high 80s or low 90s and very humid. The winters may go subzero for a few days; maybe more that once a season.
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