Compare Two Refrigerants

Side-by-side P-T at a chosen pressure or temperature with manufacturer attribution.

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Example

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Details, formula, and sources

Side-by-side P-T lookup for two refrigerants at the same temperature or pressure, plus GWP / safety-class comparison.

Manufacturer P-T tables (as per refrigerant-pt). ASHRAE 34 safety classifications by name.

Manufacturer tables free at each manufacturer site. ASHRAE 34 read-only at ashrae.org.

Estimate. AHJ and licensed mechanical contractor govern. ACCA Manual J / D / S supersede rules of thumb.

Field names used by the API: refrigerant_a, refrigerant_b, pressure_psig, mode

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