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Old 07-25-2011, 12:49 PM   #1
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2 stage water source heat pump systems. Real savings or fluff


Totally excluding the cost of the system here, I would like to specifically ask about electric usage and efficiency of these systems in practice. I realize what the OEMS quote, 24-35 SEER ratings but I would really like to know if these are accurate and realizing that sometimes home efficiency is what it is.

Just FYI, I already have 4 wells and a 1acre pond so water source and disposal are not an issue.

Are these 2 stage systems typically operating with 2 compressors rather than a digitally controlled scroll?

Also, since it seems many systems are using an internal compressor and condenser coil, do these systems usually come precharged as a ready to use assembly or do they have to break down due to weight and size issues?

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