Air source heat pump FLEXOTHERM

air source heat pump
air source heat pump
air source heat pump
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air source
Interior/exterior unit
for heating only
class A+++
Heat output

5 kW, 8 kW, 11 kW, 15 kW, 19 kW

Noise level

40 dB, 44 dB, 46 dB, 48 dB, 49 dB

Exterior unit height

1,185 mm
(47 in)

Exterior unit width

600 mm
(24 in)

Exterior unit depth

595 mm
(23 in)


The heat pump harnesses naturally renewable energy from the air, which mean 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 A good solution for homes that have a 400V supply Incredibly quiet during operation and is Quiet Mark approved Available in 400V For the best performance, your home should be well insulated and have a low heat loss – your Vaillant Advance Renewables Partner can carry out a full heat loss calculation to work out which model will suit you best. Converting your home to use an air source heat pump system will take around 3 to 5 days. flexoTHERM is one of quietest heat pumps on the market, as its Quiet Mark award demonstrates this flexoTHERM is Certified by the Microgeneration Certification Scheme (MCS), a national quality assurance scheme that recognises high standards in renewable energy technologies. As an MCS certified product, flexoTHERM could benefit from the Boiler Upgrade Scheme (BUS) ErP A+++ rated for both hot water and heating efficiency when used with Vaillant controls Dimensions in mm: W 595 x H 1185 x D 600


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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.