How much should be the gas pressure in 1 5 ton ac?

Home Alliance Tech Expert

If your AC unit uses R-22 refrigerant, the ideal pressure for a 1.5-ton unit should be between 65 and 70 PSI. For a 1-ton unit, the AC gas pressure will be 60 to 65 PSI. The amount of ac gas filling charges you'll pay depends on how much pressure is needed to fill the gas.

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