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Model AXM

Thermafit™ Modular Air-to-Water Heat Pumps

Thermafit™ Modular Air-to-Water Heat Pumps

Model AXM

Thermafit™ Modular Air-to-Water Heat Pumps

  • Each module produces 30 tons cooling, 390 MBh heating.  Min 2 modules, Expandable up to 12 modules (360T bank)
  • Provides all electric heating and cooling
  • Available with Low GWP 454B Refrigerant
  • ASHRAE® 90.1 compliant
  • Vapor injection provides reliable heating for colder climates
  • ECM fans with variable speed fan/motor assemblies run quietly and reduce energy use  
  • Modular flexibility provides true redundancy and design ease
  • Dual refrigeration circuits with efficient vapor injection scroll compressors
  • Compact size loads onto freight elevators and fits into limited outdoor spaces
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Why Choose Thermafit Modular Chillers

Electrify to decarbonize

All-electric heating and cooling supports compliance with policies and incentives to decarbonize buildings. Heat pumps move heat rather than generate it, making them up to three times more energy efficient than other forms of electric heating.


Reliable cold weather comfort

Vapor injection technology extends the effective operating range of the scroll compressor to provide reliable comfort in colder climates. It enables leaving water temperatures of approximately 130°F at 0°F outdoor ambient temperature.

Modular flexibility

Easily expand to the capacity you need. Install where space is limited. Air-source units move easily on freight elevators and fit into tight outdoor spaces, such as urban rooftops. Smaller refrigerant circuits enable tighter temperature control, too. 

Comprehensive Chiller-Heater System

At Trane, we collaborate with you to turn systems expertise into reliable, cost-effective, and efficient systems. Decarbonization through efficiency and electrification can be achieved when system controls and equipment work together— turning environmental stewardship into business advantages.

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