Quote:
Originally Posted by doug30293
Based on ARI ratings for several heat pumps I looked at it appears that 1/2 ton up on the evap coil is good for one point on the SEER scale. This seems to be the standard approach between 14 and 15 SEER.
I could not find any evidence that one ton (two sizes) up on the evap coil results in further improvement. Perhaps 1/2 ton is the edge of diminishing returns.
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> " it appears that 1/2 ton up on the evap coil is good for
> one point on the SEER scale."
It this relative to a 1/2 Ton heat pump, or a 4.5 Ton Heat pump, or larger, or smaller?
Size matters.
-AC