Zealux Zealux Inverboost (12 kW)

Specifications and technical data

Also known as: ALSAVO HEAT 12iT

Air Source (ASHP)ResidentialR3212 kW

Manufacturer	Zealux
Model	Zealux Inverboost
Model code	XAH12Csi32T
Heat pump type	Air Source (ASHP)
Application	Residential
Refrigerant	R32
Mode	Heating & cooling
Heating capacity	12 kW
Max heating output (low temp)	7.4 kW at A-7/W55
COP (heating)	4.65 at A7/W35
Operating range (air)	-25 to 43 °C
Heating flow temperature	up to 55 °C
Power input	5.43 kW
Electrical supply	380-415V (Three Phase)
Cooling capacity	11.8 kW
Max cooling output (high temp)	9.61 kW at A35/W7
Cooling flow temperature	7–18 °C
EER (cooling)	2.79 at A35/W7
Dimensions (H×W×D)	1260 × 1052 × 453 mm
Operational Weight	99 kg
Data added	2026-08-30
Data source	Manufacturer datasheet
MCS certification	✓ MCS listed — eligible for Boiler Upgrade Scheme (MCS-certified install required)
MCS certificate no.	011-1W0733_1

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Zealux XAH12Csi32T air-to-water heat pump from the INVERBOOST CLASSIC range, R32 refrigerant. 12.0 kW heating at A7/W35 with a COP of 4.65. Inverter compressor, three-phase. Operates to -25 C ambient, ErP class A+++. Also sold as ALSAVO HEAT 12iT.

✓ Manually verified by Heat Pump Database

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Data is compiled from manufacturer sources and may contain errors or gaps. Always confirm specifications with the manufacturer before making decisions.