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The aroTHERM Split air source heat pump

A refrigerant split, renewable technology heating solution

  • Enhances the freely available heat from the outside air to heat your home, which could reduce your fuel bills and carbon footprint
  • Up to seven years parts and labour warranties, when installed by a renewable partner
  • Available in five sizes of heat output
  • Uses a refrigerant split system with an indoor and outdoor unit connected with refrigerant pipe work 
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aroTHERM Split air source heat pumps generate heat for your home using energy from the air outside.



aroTHERM SplitUnit3.5kW5kW7kW10kW12kW
Dimensions outdoor unit (H x W x D)mm765 x 1100 x 450765 x 1100 x 450965 x 1100 x 4501480 x 1100 x 4501480 x 1100 x 450
Dimensions indoor unit (H x W x D)mm770 x 440 x 350770 x 440 x 350770 x 440 x 350770 x 440 x 350770 x 440 x 350
ErP at 35°C A++A++A++A++A++
ErP at 55°C A++A++A++A++A++
Sound power leveldB(A)5354555656
Maximum hot water flow temperature°C6262626262

Related Products

Related Products

Vaillant sensoCOMFORT heating control

  • Control multiple heating products from boilers to heat pumps and solar
  • Touch interface provides simple navigation and task setting
  • Operates Vaillant heating appliances at their most efficient using modulating technology

Vaillant VRC 700 heating control

  • Control multiple heating products from boilers to heat pumps and solar
  • Comfort and control wherever you are using a smartphone app*
  • The ultimate in control of your heating room by room
  • Reduce your energy bills by using the minimum energy required


How to get

It’s fair to say that some of the terminology around renewable products can be complex and sometimes confusing, which is why we always advise talking to a qualified renewable heating engineer who can advise on the best renewable solution for you and your requirements.

Find a Vaillant Advance renewable heating engineer.

Once you have been contacted, a renewable heating engineer will arrange an appointment to visit your home, understand your requirements and give you a quote for the installation of you renewable product(s).

Why choose a Vaillant Advance installer?

Advance is Vaillant’s installer loyalty scheme. By choosing a Vaillant Advance Partner, you’re choosing our network of fully trained, independent installers who can offer you exclusive extended Guarantees, as well as a free no obligation quote to ensure your Vaillant boiler is the perfect fit for you and your home.

Alternative products

Alternative products

The aroTHERM air-to-water heat pump

  • The pump harnesses naturally renewable resources, so it can save money on your fuel bills and reduce your carbon footprint
  • Homeowners can benefit from a range of warranties of up to 7 years parts and labour when installed by a renewable partner
  • There are four sizes of heat output available, so it’s a good solution for most kinds of property

The aroTHERM hybrid heat pump system

  • Hybrid heating solution to combine aroTHERM air-to-water heat pump with a traditional boiler
  • Unique triVAI technology to ensure most efficient energy source always used
  • Great first step into a renewable and sustainable heating system for your home

The flexoTHERM multi-source heat pump

  • flexoTHERM is one of our greenest heating systems, because it uses renewable sources to create free energy
  • The heat pump come in different sizes of heat output to suit your property, with 5, 8, 11, 15 and 19kW models available
  • It’s simple to install, and features intelligent weather compensating controls and Wi-Fi connectivity for remote operation