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Global Energy Systems Castletown

Specifications and technical data

✓ BUS eligibleASHP (Monobloc)Residential4.8–7.5 kW

Manufacturer	Global Energy Systems
Model	Castletown
Model code	GRS-CQ6.0Pd/NhG3-E
Heat pump type	ASHP (Monobloc)
Application	Residential All Residential heat pumps →
Mode	Heating only
Heating capacity	4.8–7.5 kW
Max heating output (low temp)	4.8 kW at A-3/W35
COP (heating)	3.3 at A-3/W35
SCOP (heating)	4.53 at W35
Operating range (air)	-20 to 30 °C
Heating flow temperature	up to 65 °C
Electrical supply	220-240V (Single Phase)
Dimensions (H×W×D)	750 × 1150 × 365 mm
Operational Weight	95 kg
Sound power level	57.9 dB(A) (Sound Power LW(A))
Data added	16/07/2026
Data source	Manufacturer Data Sheet
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.	MCS HP0268/02
MCS certification	✓ MCS listed
MCS certificate no.	MCS HP0010/08
MCS listing	View on MCS ↗

Free data sheet (PDF) →

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Global Energy Systems Castletown is a 4.8kW heat pump (refrigerant not stated in source).

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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.