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MasterTherm AquaMaster Inverter AQ45IP

Specifications and technical data

Ground Source (GSHP)CommercialR410A7–22 kW
ManufacturerMasterTherm
ModelAquaMaster Inverter AQ45IP
Model code1AQ45I-1
Heat pump typeGround Source (GSHP)
ApplicationCommercial
RefrigerantR410A
ModeHeating only
Heating capacity7–22 kW
Max heating output (low temp)22 kW at B0/W35
COP (heating)4.6 at B0/W35
SCOP (heating)5.1 at W35
Heating flow temperatureup to 60 °C
Electrical supplyNot stated
Dimensions (H×W×D)1200 × 526 × 716 mm
Operational Weight170 kg
Sound power level48 dB(A) (Sound Power LW(A))
Price (unit only)£24996–£None (checked 2026-07-18 00:00:00)
Data added2026-06-28
Data sourceManufacturer Data Sheet; Price: UK Retailer Pricing (thermalearth.co.uk), ex VAT shown
MCS certification✓ MCS listed — eligible for Boiler Upgrade Scheme (MCS-certified install required)
MCS listingView on MCS ↗

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MasterTherm AquaMaster Inverter is a 22 kW ground source heat pump, using R410A refrigerant.

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