Thermafit AXM Modular Air-to-Water Heat Pumps


Thermafit Air-to-Water Modular Heat Pump, Model AXM, is a fully electric modular unit that can scale to match a building’s heating or cooling load. It's more efficient than conventional heating pumps as it moves heat rather than generates heat.


By combining individually controlled AXM modules to create a single, larger heat pump, operators can right-size heating and cooling performance to meet a wide range of applications. In addition, the modular design is ideal for tight spaces or where the footprint is limited.


Each module includes dual refrigerant circuits with lab-verified vapor injection compressors for more reliable heating to facilitate greater lift and higher leaving hot water temperatures down to 0°F outdoor ambient temperature.




  • Each module produces 30 tons of cooling, 390 MBh of heating (300T bank)
  • Provides all electric heating and cooling
  • Available with 410 A
  • Meets ASHRAE 90.1 for cooling
  • 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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