Wanna get rid of the ground water to air unit
3500 square foot house, split level, 30 year old ground water to air unit, 5 ton.
i want to get rid of this leaky inefficient beast, and put in air to air.
a) should i put in a 5 ton air to air and zone it?
b) put in 2 3-ton, one for the upstair/downstair bedroom and one for the kitchen, great room, that's the big part of the house
c) minimum is 13 seer with variable air handler, should i go 16 seer?
my electric bill is $550 in the summer, most of that is AC.
(i'm going to redo the insulation, put in radiant heat barriers, repair the supply lines.
d) i want to run a return line from each room, my AC guy wants to cut the bottoms of the doors off..
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