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Water Source Heat Pumps

Water source heat pumps from Trane offer the ultimate in efficiency and sustainability for building comfort..

Get ultra-high energy efficiency and comfort plus lower operating costs and more sustainability with a Trane Axiom™ water source heat pump. With a broad range of models from 0.5 to 25 tons of capacity, Axiom™ water source heat pumps are easy to operate and maintain and use advanced technology that makes them among the most quiet and efficient systems available.

Ultra-high energy efficiency with lower energy, life-cycle costs

Fully compatible with geothermal technology, Axiom™ water source heat pumps from Trane offer higher efficiencies -- up to 40 EER on select configurations -- than other conventional heat-pump technologies, along with precise space heating and cooling capabilities for superior comfort. Available eFlex variable-speed control minimizes on/off system cycling, temperature swings, noise and energy use. Axiom™ durability, performance and efficiency means exceptionally low life-cycle costs to boot. Building owners can also take advantage of a federal tax credit of up to 50% of the total cost of qualifying geothermal systems placed in service after Jan. 1, 2022.

  • Sustainable efficiency for variety of building applications

    Trane has an Axiom™ water source heat pump that fits most any need from 0.5 to 25 tons. Ideal for schools, office buildings, health care and rehabilitation facilities, condominiums and retirement facilities. The lineup includes variable speed, standard and high-efficiency, vertical stack, console, water-to-water and rooftop models.

  • Optimize performance with Tracer® system and unit controls

    Take full advantage of the Axiom™ line with Tracer® controls, which are factory-programmed to take full advantage of the heat pump system’s performance characteristics – a level of integration and performance third-party controllers just can’t match.

  • Best of all – it’s a Trane

    Trane quality is built into the full line of Axiom™ water source heat pumps for years of durable performance and reliability, backed by Trane’s powerful warranty.

Water-Source Heat Pumps

Trane has a water source heat pump to deliver high-performance heating and cooling for any building application

Axiom™ High-Efficiency Console

One cabinet size for each of five capacity options makes it an ideal replacement or retrofit choice. Hot gas reheat option for dehumidification on all sizes, with optional 25% outside air damper. Units 1 - 1.5 tons meet LEED EAc4 requirements.

0.5 - 1.5 Tons

Axiom™ Horizontal and Vertical Water Source Heat Pumps

Trane’s premier line of water source heat pumps deliver exceptional energy efficiency – up to 40 EER on select systems – with advanced technology to making them easy to operate using factory-installed and commissioned controls. Available in standard, high-efficiency and variable speed models.

Standard Efficiency 0.5 - 25 Tons

High Efficiency 0.5 - 6 Tons

Variable Speed 2 - 5 Tons

Trane® Axiom™ Rooftop Water Source Heat Pumps

Convertible models available in 3 - 10 ton capacities, downflow or horizontal models in 12.5 - 20 tons. High and low pressure cutout, crankcase heater and frostat standard on all units.

3 - 20 Tons

Axiom™ Vertical Stack Water Source Heat Pump

Outstanding energy efficiency in a stacked, space saving design for reduced installation time and cost. Hinged return air acoustical door flush with wall for reduced noise. Six unit capacities available in three cabinet sizes.

0.75 - 3 Tons

Trane® Axiom™ Water-to-Water Water Source Heat Pumps

Provides cold or warm water on-demand; ideal for fresh air ventilation, radiant floor heating or process cooling. Horizontal configuration fits through 36-inch doorway.

5, 10, 20 Ton

10 and 20 Ton Dual Circuit

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