Preferred™ Hydronic-Use Geothermal Heat Pump
Model GW

Exceptional Comfort and Fuel Economy with Your Water-Based System

The versatile Bryant® GW model can be applied in a variety of heated- and chilled-water applications. A two-stage scroll compressor enables high energy efficiency with quiet operation, plus optional potable hot water generation can also help you save on water heating for other needs.

  • Features
  • Specifications
  • Documents
  • Reviews
  • Manage your utility costs with high-efficiency comfort (efficiency is unit size dependent): Closed loop cooling EER - Up to 22.1;  Closed loop heating COP - Up to 3.2
  • Capable of providing whole home cooling (requires hydronic air handler and ductwork) 
  • Two-stage scroll compressor operation allows longer, more consistent cycles in lower stage for savings and comfort 
  • Insulated cabinet and compressor blanket for quiet operation
  • Wide operating temperature range with exceptional cold weather performance
  • 10-year parts and labor limited warranty1
  • Supplemental, domestic hot water generation
  • Smart startup add-on for smoother operation 
1. To the original owner, when installed in a residence, a 10-year parts and labor limited warranty upon timely registration of equipment. Warranty period is 10 years on parts and 5 years on labor if not registered within 90 days of installation. Original owners residing in jurisdictions that prohibit warranty benefits conditioned on registration will automatically receive a 10-year parts and labor limited warranty. See warranty certificate for  details. 


Cooling Efficiency 14.6 to 22.1 EER (closed loop); 18.8 to 25.7 EER (open loop)
Heating Efficiency 3.0 to 3.2 COP (closed loop); 3.4 to 3.8 COP (open loop)
Heating and Cooling Stages Two-stage operation for efficiency and comfort 
ENERGY STAR® ENERGY STAR® qualified in all sizes
FEDERAL TAX CREDITS Qualified for up to 30% purchase price plus installation including loop system in all sizes


Quiet Levels Quiet operation enhanced by full cabinet insulation; double-isolation compressor mounting and compressor sound blanket


Maintenance Reminders With compatible control 


Compressor Two-stage scroll
Control Board Microprocessor with compressor diagnostic capability
Refrigerant Puron® refrigerant
Refrigerant Management Thermostatic expansion valve
Protection Cupro-nickel water coils available for well-water applications           


Capacity 2, 3, 4, 5 and 10 tons
Construction Galvanized steel
Paint Baked-on urethane base coat and polyester top coat
Bryant reserves the right to discontinue or change any specification or design without prior notice or obligation.
Video & Images