Originally Posted by
Quizzes
I have two furnaces (main+basement and top floor). I had wanted only one AC unit for the upstairs.
Asked around and was told that they don't recommend having just one for top floor because the unit will struggle to cool since it'll pick up the heat from the main floor. Is there any truth to this or can I get away with getting like a 3T unit for just the upper?
That's nonsense. Just shut the doors in the upstairs bedrooms and it'll be fine. Its interesting looking at the nest energy history, even cooling to 17C on 30+ days our 3 ton AC rarely needs the 2nd stage. Configured on the upstairs furnace only.
Z32 TT
1996 Integra - winter beater with studs - RIP (deer)
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