Heat Pumps

Baxi HP40 Monobloc Air Source Heat Pump

The Baxi HP40 Monobloc Air Source Heat Pump will deliver reliable, energy-efficient performance.

Easy to install and operate our MCS certified air source heat pump range is compatible with Baxi uSense smart thermostats for control on the move.

Available individually or with our Baxi Air Source Heat Pump Cylinders we have everything you need to provide a complete solution.

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Features and Benefits
Product Literature
Dimensions
Technical Specifications

Features and Benefits

Multiple outputs

Available in outputs 4kW - 13kW all single phase with optional triple phase for larger outputs

High performance

A+++ performance rating at 35°C flow temperature

Compatible

Designed specifically for use with the Baxi ASHP cylinder

Warranty

Up to 5-years enhanced warranty†

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Product Literature

Installation & Service Manuals

User Guides

Technical Specifications

Energy Labels

Warranty Guides

Baxi ASHP Solutions guide

Built for comfort, efficiency and reliability, they make a difference across every project – from single installations to large-scale developments.

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Baxi Residential Solutions guide

From boilers and cylinders to ASHPs and accessories, our Baxi Residential Solutions Guide gives you everything you need to deliver complete, reliable heating and hot water solution.

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ASHP Site Survey and External Planning Guide

Practical steps to help you assess and prepare for a smooth air source heat pump installation.

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Dimensions

4-5kW models

A: Heat Pump Width = 1309mm

B: Heat Pump Height = 700mm

C: Heat Pump Depth = 400mm

D: Heat Pump Height (total) = 717mm

E: Heat Pump Depth (total) = 426mm

F: 121mm

G: 644mm

H: 379mm

Dimensions

7-13kW models

A: Heat Pump Width = 1388mm

B: Heat Pump Height = 850mm

C: Heat Pump Depth = 448mm

D: Heat Pump Height (total) = 864mm

E: Heat Pump Depth (total) = 523mm

F: 191mm

G: 656mm

H: 363mm

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Technical Specification

Product Model	4kW	5kW	7kW	8kW	11kW	13kW	11kWφ	13kWφ
Product Code	7830576	7830575	7830574	7830573	7830572	7830571	7830570	7830568
Product information
Min/Max Operating Range (°C)	-25/+35	-25/+35	-25/+25	-25/+25	-25/+25	-25/+35	-25/+35	-25/+35
SCOP 35°C	4.66	4.77	5.03	5.03	4.67	4.49	4.67	4.49
35°C Maximum Output (1)
A-5°C W+35°C	5.02	6.14	7.69	8.8	11.3	14	11.3	14
A0°C W+35°C	5.1	6.35	8.49	9.56	12	14.3	12	14.3
A+7°C W+35°C	6.26	7.41	9.11	10.3	14.6	16.8	14.6	16.8
35°C Nominal Output (2)
A-5°C W+35°C	4.37	5.26	6.69	7.66	9.05	11.2	9.05	11.2
A0°C W+35°C	4.6	5.74	7.67	8.63	9.19	10.9	9.19	10.9
A+7°C W+35°C	4.2	6.35	8.4	10	12.1	15.9	12.1	15.9
SCOP 45°C	3.93	4.06	4.11	4.19	4.01	3.88	4.01	3.88
45°C Maximum Output (1)
A-5°C W+45°C	4.63	5.84	7.44	8.18	10.9	13.4	10.9	13.4
A0°C W+45°C	5.04	6.85	8.09	8.89	12.3	14.1	12.3	14.1
A+7°C W+45°C	5.96	7.13	8.98	10.3	14.5	16.6	14.5	16.6
45°C Nominal Output (2)
A-5°C W+45°C	4.1	5.1	6.49	7.13	8.78	10.7	8.78	10.7
A0°C W+45°C	4.46	6.06	7.16	7.87	9.43	10.8	9.43	10.8
A+7°C W+45°C	4.3	6.3	8.1	10	12.3	16	12.3	16
SCOP 55°C	3.19	3.39	3.23	3.37	3.34	3.3	3.34	3.3
55°C Maximum Output (1)
A-5°C W+55°C	4.41	5.31	7.35	7.53	10.6	12.6	10.6	12.6
A0°C W+55°C	5.13	5.42	8.11	8.18	10.8	12.8	10.8	12.8
A+7°C W+55°C	5.74	6.9	8.43	9.72	13.9	16.2	13.9	16.2
55°C Nominal Output (2)
A-5°C W+55°C	3.94	4.28	5.56	6.49	8.36	9.98	8.36	9.98
A0°C W+55°C	4.43	4.75	6.33	7.3	7.93	9.77	7.93	9.77
A+7°C W+55°C	4.4	6	7.5	9.5	11.9	16	11.9	16
Sound Pressure Level dB(A) @1m	45	47.5	48	50.5	53	57.5	53.5	58
Sound Power Level dB(A) (EN12102-1)	55	58	59	60	65	68	65	68
ERP @ 35°C	A+++	A+++	A+++	A+++	A+++	A+++	A+++	A+++
ERP @ 55°C	A++	A++	A++	A++	A++	A++	A++	A++
Power Supply (V/Ph/Hz)	220-240/1/50	220-240/1/50	220-240/1/50	220-240/1/50	220- 240/1/50	220-240/1/50	380-415/3/50	380-415/3/50
MCA (A)	12	14	16	17	25	27	10	12
TOCA (A)	18	18	19	19	30	30	14	14
MFA (A)	25	25	25	25	35	35	16	16
Flow/Return Connections	G 1	G 1	G 1 1/4	G 1 1/4	G 1 1/4	G 1 1/4	G 1 1/4	G 1 1/4
Internal Expansion Vessel (L)	8	8	8	8	8	8	8	8
Maximum Water Pressure (bar)	3	3	3	3	3	3	3	3
Refrigerant	R32	R32	R32	R32	R32	R32	R32	R32
Volume (kg)	1.4	1.4	1.4	1.4	1.75	1.75	1.75	1.75
Volumetrics
Weight (kg Net)	86	86	105	105	129	129	144	144
Weight (kg Gross)	107	107	132	132	155	155	172	172

(1) Output values tested at maximum compressor frequency
(2) Nominal values under test conditions EN14825:2013
Selections and sizing offered by Baxi utilise nominal values unless otherwise stated.

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Baxi HP40 and HP60 Air Source Heat Pump £500 cashback promotion - ASHP Installer offer

Baxi HP40 and HP60 Heat Pump £500 cashback promotion

You can earn £500 per installation for qualifying Baxi HP40 and Baxi HP60 Air Source Heat Pumps when they are installed, commissioned, and registered on Baxi Works with a valid MCS Installation Certificate by 31st December 2026.*

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Find the perfect fit

View our air source heat pump range to help shape your next project.

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† Terms and conditions apply.

Baxi HP40 Monobloc Air Source Heat Pump

The Baxi HP40 Monobloc Air Source Heat Pump will deliver reliable, energy-efficient performance.

Features and Benefits

Multiple outputs

High performance

Compatible

Warranty