most efficient
ENERGY STAR®
Modulating Variable-Speed
GMVM97
98%
AFUE
KEY FEATURES
Fully modulating gas valve for precise, even heating
Variable-speed ECM blower motor
ComfortBridge™ technology
Quiet, efficient operation
Heating capacity: 40,000–120,000 BTUh
WARRANTY
Limited Lifetime heat exchanger (with registration)
10-Year Unit Replacement (with registration)
10-Year Parts (with registration)
ENERGY STAR®
two-stage variable-speed
GMVC96
96%
AFUE
KEY FEATURES
Two-stage gas valve for balanced comfort
Variable-speed ECM blower motor
Durable tubular heat exchanger
Quiet operation
Heating capacity: 40,000–120,000 BTUh
WARRANTY
Limited Lifetime heat exchanger (with registration)
10-Year Parts (with registration)
energy star
Single-Stage Multi-Speed
GMES96
96%
AFUE
KEY FEATURES
Single-stage gas valve, simple and proven
Multi-speed ECM blower motor
Energy-efficient design
Reliable, consistent heating
Heating capacity: 40,000–120,000 BTUh
WARRANTY
Lifetime Heat Exchanger (with registration)
10-Year Parts (with registration)
Warranty coverage requires online product registration within 90 days of installation. AFUE ratings reflect each series' top-performing models; specifications subject to change by the manufacturer.
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