i remember YEARS ago i saw a 1980′s Carrier Round One heat pump that this Gibson replaced. i saw the old round one back in like 2004 i think.
Ground Source Heat Pump: Revisited- 2007 Gibson 4 ton heat pump!
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i remember YEARS ago i saw a 1980′s Carrier Round One heat pump that this Gibson replaced. i saw the old round one back in like 2004 i think.
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