
Evolution Series
Evolution™ Split System Geothermal Heat Pump
Model: GZA|Geothermal Heat Pumps
Cooling
Up to 25.1 EER (closed loop); 29.0 EER (open loop)
Heating
Up to 4.6 COP (closed loop); 5.0 COP (open loop)
AFUE
N/A
Compressor
Two-Stage Scroll
Sound
N/A
Professional Installation
Financing Available
N/A
Manufacturer Overview
The quiet, efficient operation allows you to toggle between geothermal heating and gas heating for year-round comfort.
Description provided by Bryant®. HRS-written description coming soon.
Specifications
Cooling EfficiencyUp to 25.1 EER (closed loop); 29.0 EER (open loop)
Heating EfficiencyUp to 4.6 COP (closed loop); 5.0 COP (open loop)
AFUEN/A
Compressor TypeTwo-Stage Scroll
Sound RatingN/A
WarrantyN/A
RefrigerantN/A
ENERGY STARNot Qualified
Key Features
Split system design
Geothermal and gas heating toggle
Manufacturer Information
Brand
Bryant
Category
Geothermal Heat Pumps
Model Number
GZA
Source
Official Bryant® Website
Last verified: 8/18/2026
Interested in the GZA?
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