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The aroTHERM split air-to-water heat pump

Available in 3.5, 5, 7, 10 and 12kW (230V) outputs at A-7/W35, the aroTHERM split is Vaillant's first split refrigerant to air-to-water heat pump.

Building on the success of the aroTHERM monobloc models, the aroTHERM split air source heat pump has a number of improvements to its design, resulting in better performance, greater efficiency and quieter operating noise.

The aroTHERM split range also features modulating heating and hot water performance, meaning the heat pump adjusts its power to maintain high efficiency, lower noise and homeowner comfort.

1 - 5 of 5 Results

aroTHERM split heat pump 3.5kW

Air-to-water heat pump

  • Easy installation
  • Sound safe system for quiet operation
  • A++ ErP rating

aroTHERM split heat pump 5kW

Air-to-water heat pump

  • Easy installation
  • Sound safe system for quiet operation
  • A++ ErP rating

aroTHERM split heat pump 7kW

Air-to-water heat pump

  • Easy installation
  • Sound safe system for quiet operation
  • A++ ErP rating

aroTHERM split heat pump 10kW

Air-to-water heat pump

  • Easy installation
  • Sound safe system for quiet operation
  • A++ ErP rating

aroTHERM split heat pump 12kW

Air-to-water heat pump

  • Easy installation
  • Sound safe system for quiet operation
  • A++ ErP rating

1 - 5 of 5 Results

Very quiet operation

The aroTHERM split range also features modulating heating and hot water performance, meaning the heat pump adjusts its power to maintain high efficiency, lower noise, and homeowner comfort.

Manufactured in Europe

In-house design, development, testing and production guarantees Vaillant quality.

Easy installation

Designed with improved transport and handling so it can be installed and commissioned in one day.

Sound safe system

Exceptionally quiet operation allows for flexible siting options.

A++ ErP rating

High efficiency with SCoP as high as 4.69 giving lower running costs and saves money.

App based proprietary control

Quick and easy set up with installation wizard and fully weather compensation system control, all controlled via a mobile device when installed with the VR920 gateway. Also compatible with VRC 700 system controller.