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Air source heat pumps
WPL 25 AC

    • Air source heat pump installed outdoors for heating and cooling
    • Ideal for new build and modernisation
    • Inverter technology for high efficiency and low energy bills
    • Low noise emissions due to intelligent appliance design
    • Operating noise can be further reduced in night mode ("silent mode")
    • Can be controlled easily via smartphone (additional components required)
    • Flow temperatures of up to 65 °C for first rate hot water convenience
    • High energy efficiency class A++/A+++ even when using radiators
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    Product details

    Efficient heating with a top performer

    When outside temperatures are far below zero, you'd rather be indoors in a well heated room. Providing you with a warm and cosy interior is no problem for this outdoor air source heat pump. It continues to operate at maximum efficiency even when the mercury drops below freezing. Furthermore, thanks to high flow temperatures, you can even use the appliance to heat traditional radiators.

    Increase comfort at high temperatures

    In combination with underfloor heating or fan coil units, you can easily cool your home to pleasant temperatures with this version. For high quality of life at home all year round.


    ERP product datasheet
    Technical datasheet

    Product Number: 236645

    Energy efficiency class, room heating in moderate climates, average temperature applications: A++

    Heating output at A2/W35 (EN 14511): 8.33 kW

    Heating output at A-7/W35 (EN 14511): 12.86 kW

    Cooling capacity at A35/W18: 13.50 kW

    COP at A2/W35 (EN 14511): 4.14

    COP at A-7/W35 (EN 14511): 2.93

    Energy efficiency ratio at A35/W18: 2.83

    SCOP 35 °C (EN 14825): 4.76

    Sound power level (EN 12102): 55 dB(A)

    Min./max. application limits for heat source: -20/40 °C

    Min. application limit on heating side: 15 °C

    Max. application limit on the heating side: 65 °C

    Height: 1045 mm

    Width: 1490 mm

    Depth: 593 mm

    Weight: 175 kg

    Refrigerant: R410A

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    Equipment datasheet

Installation Information:

Please ask your local power supply utility or a registered electrician to install appliances that are not fully wired, i.e. ready to plug in. The electrician should also be able to assist you with obtaining the agreement of the respective power supply utility required for the appliance installation.