TRANE Water Source Heat Pumps

Axiom™ Water Source Heat Pumps

0.5-25 Tons

A Trane Axiom™ water-source heat pump (WSHP) delivers high-performance heating and cooling with exceptional efficiency: up to 40 EER on select systems. Advanced technology makes a Trane Axiom water-source heat pump easy to operate and maintain, resulting in optimal comfort and long-lasting durability. The broad range of products suit a variety of applications: schools, office buildings, health care and rehabilitation facilities, condominiums and retirement facilities are just a few of the building types utilizing the energy conscious water-source design of the 6 through 25 ton horizontal and vertical water-source heat pump.

Trane continues to enhance the application of Geothermal and other WSHP systems to help your buildings work better. Superior Trane design makes our units among the quietest and most efficient on the market. A Trane water source heat pump is easy to access and service components; meets high indoor air quality standards; offers quiet operation; and higher operating efficiencies to reduce total cost of ownership. Efficient systems for lighting, plumbing, and comfort can significantly reduce the operating expense of doing business. The extra high efficiency units provide energy savings that not only contribute to lowering the life cycle cost, but also reduce the waste impact on the environment.

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Size range: ½ – 1½ tons • Console configuration installed within the occupied space in a ductless application


• Size range: 3 – 25 tons • Rooftop configuration for outdoor installation

Vertical Stack

Size range: ¾ – 3 tons • Vertical stack configuration for multi-story applications

High Efficiency
Standard Efficiency
Variable Speed


Size range: 5 – 20 tons • Provides cold or warm water on-demand for radiant heating (and/or cooling) systems, air handling units, or heating service water