Quote:
Originally Posted by Arizona_928
two stage is two compressor.
As your 2.5 ton unit. The cooling output btu's are not enough, insulate and it'll prolly do much better...
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Not mostly. Most of the newer units are single compressor, two speed motor. Some of the older units used two compressors. My RHEEM is single compressor, two speed.
https://www.airconditioningarizona.com/understanding-variable-speed-air-conditioning/
See below to the section on "Dual Stage".
