HVACopediaTemperature converter
°F, °C, kelvin and Rankine.
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Pressure & vacuum converterpsi, in. Hg, microns, kPa, bar, in. WCTons, BTU/h & kWCooling and heating capacity converter
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Calculation aids and reference figures for licensed technicians. Always follow the manufacturer’s data plate and manual for the exact model, and local codes. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Pressures are typical saturation values and change with load and airflow.