Questions about your KEENHYMAH18AA? Download the spec sheet at the link below.

Note: This specification sheet uses the Controls Verification Procedure (CVP) test method, which verifies operation under native controls. For the previous HSPF2 ratings based on the standard single-condition test method, please visit this link.

Please refer to our 10-year parts and labor manufacturer warranty. 

Download the AHRI Certificate for the KEENHYMAH18AA.

Download the instllation manul for the KEENHYMAH18AA unit.