92.7% KN Thermal Efficiencies Verified by AHRI

All KN Series boilers by ATH have certified testing through AHRI and carry thermal efficiencies of 92.7%, qualifying the family of boilers for full incentive rebates in most locales. Please verify local jurisdiction efficiency requirements to ensure compliance.

All KN Series boilers have been rated in accordance with applicable federal testing methods and verified by AHRI as capable of achieving the energy efficiency and performance ratings as tested within the prescribed tolerances.

All corresponding certificates can be found by visiting the AHRI Directory at: www.ahridirectory.org