Baxi HP40 Monobloc, 5kW

Specifications and technical data

Also known as: HP40-5-1-PHMB

✓ BUS eligibleAir Source (ASHP)ResidentialR326.14–7.41 kW

Manufacturer	Baxi
Model	HP40 Monobloc, 5kW
Model code	7830575
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	6.14–7.41 kW
Max heating output (low temp)	6.14 kW at A-5/W35
COP (heating)	4.77 at A7/W35
SCOP (heating)	4.77 at W35
Operating range (air)	-25 to 35 °C
Heating flow temperature	up to 55 °C
Electrical supply	220-240V (Single Phase)
Dimensions (H×W×D)	717 × 1309 × 426 mm
Operational Weight	86 kg
Sound power level	58 dB(A) (Sound Power LW(A))
Price (unit only)	£1,833.33–£2,579.32 (checked 28/08/2026)
Data added	2026-06-24
Data source	Manufacturer Data Sheet; Price: UK Retailer Pricing (plumbnation.co.uk), ex VAT shown
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 HP0033/02
MCS certification	✓ MCS listed
MCS certificate no.	MCS HP0033/02
MCS listing	View on MCS ↗

Free data sheet (PDF) →

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

View manufacturer page →

Baxi HP40 Monobloc, 5kW is a 7.41 kW air source heat pump, using R32 refrigerant.

Where to buy (UK)

UK Supplier	City Plumbing
UK Supplier	Eco Wizard
UK Supplier	Plumbing Superstore
UK Supplier	Mr Central Heating
UK Supplier	Quality Heating

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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.