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Vaillant aroTHERM Split Air Source Heat Pump

  • Vaillant’s aroTHERM split air source heat pump delivers heating and hot water comfort for a wide range of properties, making it suitable for most UK homes. Additionally, the aroTHERM split is suitable for installations in new builds with underfloor heating or renovation projects involving existing heating systems with radiators.

    Designed for a quick and flexible installation, the aroTHERM Split is delivered pre-filled with refrigerant, enough to support an installation 15 metres away from the building.

    The aroTHERM split heat pump is available in 3.5kW, 5kW, 7kW, 10kW and 12kW outputs. With an A++ ErP rating, the aroTHERM split helps to lower running costs and achieve higher RHI payments.


    • Models are available in five outputs: 3.5kW, 5kW, 7kW, 10kW and 12kW
    • Modulating performance; automatically adjusts power to maintain comfort and optimise efficiency
    • ErP rating: A++ 
    • Maximum flow temperature of up to 63°C for domestic hot water
    • High efficiency: SCOP up to 4.88
    • Can be cascaded for commercial application
    • MCS accredited and RHI eligible

Sound Made Simple

Acoustics Academy’s Sound Made Simple guide clarifies complex acoustic terminology with insights to design with sound.