Intergas Xtend Monobloc

Specifications and technical data

Also known as: Xtend 5 mono FT

✓ BUS eligibleAir Source (ASHP)ResidentialR321.8–5.04 kW

Manufacturer	Intergas
Model	Xtend Monobloc
Model code	None
Heat pump type	Air Source (ASHP) All Air Source heat pumps →
Application	Residential All Residential heat pumps →
Refrigerant	R32 All R32 heat pumps →
Mode	Heating only
Heating capacity	1.8–5.04 kW
Max heating output (low temp)	5.04 kW at A7/W35
COP (heating)	4.68 at A7/W35
Operating range (air)	-15 to 25 °C
Heating flow temperature	up to 55 °C
Electrical supply	220-240V (Single Phase)
Dimensions (H×W×D)	689 × 1000 × 367 mm
Operational Weight	48 kg
Sound power level	49 dB(A) (Sound Power LW(A))
Price (unit only)	£2,892.24–£3,199.06 (checked 2026-07-20)
Data added	2026-07-20
Data source	Intergas Xtend Brochure (IG_NEW-Xtend_MonoSplit_singles.pdf)
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 HP0365/02
MCS certification	✓ MCS listed
MCS certificate no.	MCS HP0365/02
MCS listing	View on MCS ↗

Free data sheet (PDF) →

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

View manufacturer page →

Intergas Xtend Monobloc is a 5 kW hybrid air source heat pump (monobloc, water heated outside the property) designed to work alongside an Intergas ErP boiler, using R32 refrigerant.

Where to buy (UK)

UK Supplier	Pirate Heating Supplies
UK Supplier	The Heat Pump Warehouse

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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.