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HVAC NATE Heat Pump/ 171 Q&A/ Already Graded A+
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HVAC NATE Heat Pump/ 171 Q&A/ Already Graded A+ Terms like: What is the absolute pressure at sea level if a gauge pressure is 35 psig? - Answer: 49.7psia 100,000 BTUH output furnace. Return air temp is 65F. Supply air is 135F. What is the CFM? - Answer: 1323CFM What is the best method ...
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