GT-PG Water To Air Geothermal Heat Pump

Quality Products Installed Professionally

Texas Air Mechanical has more than four decades of experience as boiler and HVAC installers. We guarantee the work we do, so you can benefit not only from our warranty, but the full manufacturer’s warranty too. If you know you need a new system for your home or business, call us today to request an estimate.


Brands You Know & Trust

Quality really does make a difference in how a unit operates and lasts. That’s why we’ve carefully chosen the brands of boilers and HVAC systems we sell and install. Our manufacturer partners include:

  • Rheem
  • Carrier
  • Trane
  • Lennox
  • York
  • Pacific Steam Boilers
  • SUSSMan Boilers
  • Reimers Boilers
  • Goodman

These names offer exceptional quality and stand behind their products with industry-leading warranties.




Why Choose Texas Air Mechanical as Your Boiler & HVAC Installers

We know there are many companies in the DFW Metro area that are boiler and HVAC installers, but few have the expertise of Texas Air Mechanical. All our technicians are licensed and factory-certified. Before we provide you with a quote for a new unit, we’ll evaluate your home or facility to determine the right type and size system. We’ll then provide you several options based on your preference, needs and budget.

You’ll find that when you choose us as your HVAC installers, all work is done in accordance with not only the manufacturer’s instructions, but also local and state code. We want to ensure that your new system is properly installed so you benefit from the full factory warranty in addition to our installation guarantee.

Because we’re locally owned and operated, we truly care about our reputation. Texas Air Mechanical is A+ rated by the Better Business Bureau, and we also have countless five-star reviews from our residential and commercial customers.


Get in Touch Today

If you’d like to request a quote, call Texas Air Mechanical to schedule your appointment. We accept most major credit cards and offer several convenient financing options for residential services. Contact us today by calling (972) 284-0584 or filling out our contact form. Se habla español.


GT-PG Water To Air Geothermal Heat Pump


Model: 50YEV

Commercial Hvac Companies Keller Tx Geo Thermal Logo 1

  • Category Price: $$$
  • Product Line: Geothermal Heat Pumps – GT-PG Series
  • Comfort Features: Better
  • Output Type: Warm and cool air
  • Application: Indoor
  • Type: Forced air systems
  • Cooling Efficiency: Up to 20.2 EER (Closed Loop)
  • Heating Efficiency: Up to 4.2 COP (Closed Loop)
  • Cooling EER (Open Loop): Up to 27.4 SEER / 5.1 COP
  • Heating COP (Open Loop): Up to 20.2 SEER / 4.2 COP
  • Cooling EER (Closed Loop): Up to 20.2
  • Heating COP (Closed Loop): Up to 4.2
  • Closed Loop Overall Efficiency: ENERGY STAR® qualified



  • Closed Loop Highest Cooling Efficiency: 16.0 to 20.9 EER
  • Closed Loop Highest Heating Efficiency: 4.0+ COP
  • ENERGY STAR® Qualified: All sizes ENERGY STAR® qualified
  • Summer Dehumidification: True
  • Cold weather performance: True
  • Fan sound levels: Better
  • Compressor Type: Single-stage scroll
  • Hybrid Heat® compatible: NA
  • Efficiency Closed Loop: Up to 20.2 EER / 4.2 COP
  • Efficiency Open Loop: Up to 27.4 EER / 5.1 COP
  • Proposition 65 Product Warnings: 343824-2 Lead and Lead Compounds

The GT-PG series offers exceptional quality, quiet performance and year round comfort. Optional upgrades include a variable-speed motor and supplemental hot water generation.

A single-stage scroll compressor, combined with a single- or (optional) variable-speed motor, tin plated coil, microprocessor control and quiet operation make this a great choice.

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.


  • Single-stage scroll compressor for reliable performance
  • Single-speed, large, low-RPM blower motor for quiet operation
  • Excellent 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



  • Variable-speed blower motor for ultimate comfort and quietest operation
  • Supplemental, domestic 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 20.2 EER
  • Closed loop heating: Up to 4.2 COP
  • Open loop cooling: Up to 27.4 EER
  • Open loop heating Up to 5.1 COP
  • ENERGY STAR® qualified in all sizes



  • Summer dehumidification is improved with optional variable-speed blower motor
  • Excellent cold weather performance
  • Sound: low-RPM blower motor operates quietly (quieter operation achieved with optional variable-speed blower)



  • Standard-efficiency, fixed-speed blower motor (variable-speed optional)
  • Single-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



  • 1.5-6 ton cooling
  • 18,000-72, 000 Btu/h heating



  • Vertical Upflow



  • 208/230 V



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