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MasterTherm BoxAir Inverter (7–22 kW)

Specifications and technical data

Also known as: BoxAir 45I, 1BA45I-01

Air Source (ASHP)Residential7–22 kW
ManufacturerMasterTherm
ModelBoxAir Inverter
Model code1BA45I-11
Heat pump typeAir Source (ASHP) All Air Source heat pumps →
ApplicationResidential All Residential heat pumps →
ModeHeating only
Heating capacity7–22 kW
Max heating output (low temp)9.8 kW at A-15/W35
COP (heating)4.7 at A7/W35
SCOP (heating)4.46 at W35
Heating flow temperatureup to 60 °C
Electrical supply380-415V (Three Phase)
Operational Weight165 kg
Sound power level62 dB(A) (Sound Power LW(A))
Data added2026-10-21
Data sourceMasterTherm Heat Pumps catalogue (UK)
VerificationVerified by a human

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MasterTherm BoxAir 45I inverter air-to-water monobloc heat pump, 7.0-22.0 kW at A7/W35, flow up to 60 °C.

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