GT-PW Water-To-Water 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-PW Water-To-Water Geothermal Heat Pump


Model: 50YER

  • Category Price: $$
  • Product Line: Hydronic Heating and Cooling Geothermal System
  • Comfort Features: Better
  • Output Type: Hot and cool water
  • Application: Indoor
  • Type: Radiant (hydronic) systems
  • Cooling Efficiency: Up to 16.4 EER (Closed Loop)
  • Heating Efficiency: 3.1 COP (Closed Loop)
  • Cooling EER (Open Loop): Up to 23.1 EER/4.0 COP
  • Heating COP (Open Loop): Up to 16.4 EER/3.1 COP
  • Cooling EER (Closed Loop): 16.0 to 16.4
  • Heating COP (Closed Loop): 3.1



  • Closed Loop Overall Efficiency: ENERGY STAR® Qualified
  • Closed Loop Highest Cooling Efficiency: 16.0 to 20.9 EER
  • Closed Loop Highest Heating Efficiency: 3.0 to 3.9 COP
  • ENERGY STAR® Qualified: All sizes ENERGY STAR® qualified
  • Cold weather performance: True
  • Compressor Type: Single-stage scroll
  • Efficiency Closed Loop: Up to 16.4 EER / 3.1 COP
  • Efficiency Open Loop: Up to 23.1 EER / 4.0 COP
  • Proposition 65 Product Warnings: 343824-2 Lead and Lead Compounds

This geothermal heat pump delivers the comfort with hot water for your radiant or hydronic system. It can also help cut your costs for domestic hot water production too.

If your needs extend to cooling, in some cases, this model’s innovative design can also work in conjunction with a hydronic air handler to utilize chilled water to produce cool air for your home in the summertime.

Like all Carrier® geothermal systems, it is ENERGY STAR® qualified in all sizes. So, perhaps best of all is a Federal tax credit still available on geothermal systems. You can revel in getting a tax credit of up to 30% of your installed cost.


  • Designed for a wide range of radiant/hydronic applications
  • Capable of being utilized for cooling when paired with a hydronic air handler
  • Single-stage scroll compressor
  • Insulated cabinet for quiet operation
  • Large operating temperature range
  • Non-ozone depleting Puron® refrigerant
  • 10-year parts and labor limited warranty1



  • Supplemental, domestic hot water generation


1 To the original owner, when installed in an owner-occupied residence, a 10-year parts limited warranty and 5-year labor limited warranty for major refrigerant circuit components (including compressors, heat exchangers, and expansion and reversing valves), and a 2-year labor limited warranty for all other parts. See warranty certificate for details.


  • Closed loop cooling: Up to 16.4 EER
  • Closed loop heating: Up to 3.1 COP
  • Open loop cooling: Up to 23.1 EER
  • Open loop heating Up to 4.0 COP
  • ENERGY STAR ® qualified in all sizes



  • Excellent cold weather performance
  • Sound: Quiet operation



  • Single-stage scroll compressor
  • Sound enhancements: Fully insulated cabinet and double-isolation compressor mounting system
  • Electronic control board  
  • Recommended control: performanceEdge® relative humidity thermostat



  • 3, 5, 10 ton cooling capable
  • 36,000, 60,000 and 120,000 Btu/h heating



  • 208/230 V



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