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Thread: R290 vs. R22
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02-05-2007, 10:47 PM #1
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R290 vs. R22
For A/C, are R290-based refrigerants more efficient than R22?
"If Hannah was an air handler, I would be a condensing unit so I could open her TXV and pump my refrigerant through her coils." - a HVAC friend of mine
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