Quote:
Originally Posted by EarlyPorsche
I'll ask it again: WHY AREN'T UPSTAIRS COMPRESSORS HIGHER TONNAGE!!!
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Because, like Billy said, in most 2-story homes, the upstairs contains (mostly) bedrooms and is rarely in use during the day.
And at night, one doesn't need as much tonnage to do the job with the night time cool down.
The way you are adjusting your temps and run times, you are taking advantage of the different capabilities of the two systems, but in the future, if one of the units needs replacing, you could change the tonnage if you wanted to.