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Legacy™ Multi-speed Geothermal Heat Pump

The Complete Package of Value, Comfort and Extra Energy Savings

The GB model is impressively efficient, even using a single-stage compressor and a multi-speed blower. So, it can help you cut costs today and for the long haul. And with built-in sound dampeners like full insulation and double-isolation compressor mounting, you'll still enjoy quiet comfort.
EER Efficiency Range :
18.5 to 21.7 EER (closed loop); 21.4 to 28.1 EER (open loop)
COP Efficiency Range :
3.7 to 4.3 COP (closed loop); 4.3 to 5.2 COP (open loop)
Compressor Type :
  • Manage your utility costs with high-efficiency geothermal (efficiency is unit size dependent):  Closed loop cooling EER - Up to 28.1;  Closed loop heating COP - Up to 4.3
  • Multi-speed air delivery aides quiet performance
  • Single-stage compressor operation
  • Insulated cabinet for quiet operation
  • Wide operating temperature range with exceptional cold weather performance
  • Corrosion-resistant coil for durability
  • 2" MERV 8 filtration
  • 10-year parts and 5-year labor limited warranty1
  • Supplemental, domestic hot water generation
  • Internally-mounted auxiliary heat
  • 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 18.5 to 21.7 EER (closed loop); 21.4 to 28.1 EER (open loop)
Heating Efficiency 3.7 to 4.3 COP (closed loop); 4.3 to 5.2 COP (open loop)
Heating and Cooling Stages Single-stage operation
ENERGY STAR® ENERGY STAR® qualified in all sizes


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


Filter Cabinet Built-in for easy filter changes
Maintenance Reminders With compatible control


Blower Motor Multi-speed
Compressor Single-stage scroll (2-5 ton); Single-stage rotary (1.5 ton)
Control Board Microprocessor
Refrigerant Puron® refrigerant
Refrigerant Management Thermostatic expansion valve
Protection Corrosion-resistant coil protection for long life


Positioning Vertical upflow and horizontal units available


Capacity 1.5-5 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.

California residents please see Proposition 65