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aroTHERM hybrid air source heat pump

Air-to-water heat pump

  • Suitable for specification in a wide range of properties
  • Compatible with all boiler systems including gas, LPG and oil
  • ErP rated A++ for hot water and heating efficiency
  • Dimensions in mm (5kW): W 970 x H 834 x D 408


The aroTHERM hybrid heat pump is designed for properties that have heat losses outside the scope of a single heat pump and/or have a relatively new heating system which can be costly to run.

aroTHERM hybrid is designed to be operated with the VRC 700 / VRC 700f control. The VRC 700 / VRC 700f features the unique Vaillant triVAI® hybrid management system, which ensures the most efficient generator (air source heat pump, gas, oil or LPG) can be calculated and selected, to help reduce energy consumption and help the occupier to save money on their bills.

aroTHERM hybrid is MCS accredited and may be eligible for government funding, such as RHI.

Features and benefits:

  • Four models available - aroTHERM 5kW, 8kW, 11kW and 15kW
  • Compact size for easy siting - Possible to fit 5kW, 8kW and 11kW models under a standard window
  • Quiet operation - Sound power as low as 58dB(A) (5kW) with permitted planning available as low as three metres
  • Unique triVAI® intelligent control system feature controlled via the VRC 700 / VRC 700f - Three possible energy tariffs can be entered – providing maximum cost savings
  • Ability to cascade up to seven aroTHERM heat pumps - Suitable for larger dwellings and developments
  • Solid case design with in-built anti-vandalism measure - No requirement for extra vandalism cages



Technical dataUnit5kW8kW11kW15kW
Product dimensions (W x D x H)mm970 x 408 x 8341,103 x 436 x 9751,103 x 463 x 9751,103 x 463 x 975
Net weightkg86102126165
Maximum start-up currentA16162025
Sound power level for A7W55 according to EN 12102 and EN ISO 9614-1dB (A)58606666
Maximum DHW flow temperature°C60636363
ErP rating (@ 35°C)bandA++A++A+A++
ErP rating (@ 55°C)bandA+A++A+A+
MCS SCoP performance table     
35°C 4.064.583.463.86
40°C 3.664.223.073.34
45°C 3.253.862.682.79
50°C 3.143.402.602.72

For further details on the specifications of this product, please download the Technical Specification table here (827 kB).