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Geothermal Heat Pumps

GT-PX Water ToAir GeothermalHeat Pump – 50YDD


GT-PX is our highest rated geothermal series designed to deliver total-home comfort all year round.

This unit offers comfort features enhanced by a variable-speed blower motor and 2-stage compressor.

Perhaps best of all is the Federal tax credits still available on geothermal systems. You can revel in getting a tax credit of up to 30% of your installed cost of a geothermal system.

Key features:


  • Two-stage unloading scroll compressor for ultimate comfort and performance
  • Variable-speed blower motor for ultimate comfort and quiet operation
  • Superior dehumidification and temperature control
  • Insulated cabinet for quiet operation
  • Large operating temperature range
  • Tin plated air coil for long life
  • Stainless steel drain pan
  • CXM Unit Performance Sentinel Control Board for precision operation
  • 2′ MERV 11 filtration
  • Non-ozone depleting Puron® refrigerant
  • 10-year limited warranty
  • Limited service labor allowance1


  • Supplemental hot water generation
  • Optional extended service labor allowance available2

1 A 5-year limited service labor allowance covering repairs to the compressor and refrigerant circuit parts; a 2-year limited service labor allowance on all other unit parts, auxiliary electric heaters and geothermal pumping modules. See warranty certificate for complete details. 2 Coverage varies by part. Ask your Carrier® geothermal expert for details.



  • Closed loop cooling: Up to 27.0 EER
  • Closed loop heating: Up to 4.6 COP
  • Open loop cooling: Up to 31.5 EER
  • Open loop heating Up to 5.1 COP
  • ENERGY STAR® qualified in all sizes


  • Summer dehumidification is compressor and blower motor enhanced
  • Excellent cold weather performance
  • Sound: ultra quiet fan sound levels


  • High-efficiency, variable-speed blower motor
  • Two-stage scroll compressor
  • Sound enhancements: Fully insulated cabinet and double-isolation compressor mounting system
  • Performance Sentinel diagnostic intelligence
  • Recommended control: Performance Edge® relative humidity thermostat


  • 2-6 ton cooling

  • 24,000-72, 000 Btu/h heating


  • Vertical downflow


  • 208/230 V


  • Heavy-duty, galvanized steel cabinet
  • Epoxy-coated in taupe metallic paint

Published on March 18th, 2017