I live in Maryland and have two proposals for retrofit geothermal units replacing forced air heat pumps. My home was remodeled in 1989. It is two floors around 2700 square feet and plan to add another 200 sq ft in two years. Both contractors know this. Their proposals include modifying existing ductwork for the new unit. The prices are pretty different and the installers suggest two different equipment manufacturers. I'd appreciate some advice on which proposal seems best.
Proposal 1 - Water Furnace PO28 Premier 2 ton package heat pump, NSZ030 Envision 2.5 ton splt heat pump, Trane air handler on second floor, emergency backup resistance heat unit, 2 thermostats, 1 desuperheater, 2 flow centers. Price includes ground loop well drilling. Options: hot water storage tank a few hundred dollars, Model 2200 air cleaner under 1,000, Aprilaire 600 humidifier 150 less than Proposal 2.
Proposal 2 - one 2.5 ton Florida Heat Pump EV030, one Florida Heat Pump EV030-1-CS 2.5 ton split system, Trane air handler, Honeywell thermostat, 2 flow centers, 2 Honeywell F100 air cleaners. Well drilling extra. Options - Aprilaire 600 humidifier 150 over Proposal 1, water heater 4,200 over Proposal 1.
Thanks for any advice you can offer.