Quote:
Originally Posted by jeff5may
I recently purchased a 2 ton outdoor unit for 50 bucks.
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2-Tons is a pretty good size unit.
The really big pay-off comes from putting the coils in the ground or in water. Otherwise, over-sizing the HXs and using R290 would give you marginal improvement in efficiency.
With regards to your house, do you have any idea what your heat loss/gain is in max heating or max cooling?
-AC_Hacker