Get at least three estimates. You will need a new lineset, air handler and condensing unit, as you will be going from R-22 to R-410a.
Cost depends on the size of the unit, SEER Rating, etc. The lowest price may very well not be the best choice.
I would buy the RIGHT size unit for your NEW remodeled needs. A good company should do a new Manual J to accurately determine the correct tonnage unit.
The higher the SEER rating, the more efficient your unit will be and the more money you will save. Of course, the higher the SEER, the higher the up front cost.
Buy from a company you know will be around for the next 15 years for service. You have many options here. Munn's, Sunshine, SunKool are the big three here. There are many others. I have even seen a Bruno Air truck around here recently, so even they are expanding.
Hope that helps! At least you know that this new unit should cost MUCH less to run than your old one.
Frank
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Florida licensed Home Inspector #HI688. (352) 250-7818
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