SolaX Alture Series (5.55 kW)

Specifications and technical data

✓ BUS eligibleAir Source (ASHP)ResidentialR2905.55 kW

Manufacturer	SolaX
Model	Alture Series
Model code	ALT05-SF0
Heat pump type	Air Source (ASHP) All Air Source heat pumps →
Application	Residential All Residential heat pumps →
Refrigerant	R290 All R290 heat pumps →
Mode	Heating & cooling
Heating capacity	5.55 kW
Max heating output (low temp)	5 kW at A-7/W35
COP (heating)	5.1 at A7/W35
SCOP (heating)	5.12 at W35
Operating range (air)	-25 to 35 °C
Heating flow temperature	25–80 °C
Electrical supply	220-240V (Single Phase)
Cooling capacity	5.8 kW
Max cooling output (high temp)	5.75 kW at A35/W7
Cooling flow temperature	5–25 °C
EER (cooling)	3.3 at A35/W7
Dimensions (H×W×D)	865 × 1100 × 400 mm
Operational Weight	100 kg
Sound power level	48 dB(A) (Sound Power LW(A))
Data added	2026-08-30
Data source	Manufacturer datasheet
Verification	Verified by a human
Boiler Upgrade Scheme	✓ BUS eligible — Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026). Grant also needs an MCS-certified installer and a qualifying system design. Funding guide
PEL certificate no.	MR 50734528 0001/002
MCS certification	✓ MCS listed
MCS certificate no.	MR 50734528 0001/002

Free data sheet (PDF) →

Check noise at a neighbour’s window (MCS 020 a) →

View manufacturer page →

SolaX Alture ALT05-SF0 monobloc air-to-water heat pump, 5.30 kW at A7/W35, R290 refrigerant. Heating, cooling and domestic hot water with a maximum flow temperature of 80 C and operation to -25 C.

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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.