SEER and EER Conversion

Formula and source

EER = BTU/hr ÷ W (steady state at AHRI 95 °F outdoor / 80 °F indoor). SEER weights cooling capacity over an AHRI 210/240 seasonal bin profile. SEER2 / EER2 add return-static loading per the 2023 federal test procedure.

AHRI 210/240-2023 by name. DOE 10 CFR 430 (federal energy-conservation standards) by section.

Audience

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Related tools

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Posture

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