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.

Contact your ASM

Select

Features and Benefits
Product Literature
Dimensions
Technical Specifications

Double points return for Baxi installers

Now even bigger and better!

We’re giving you double points on qualifying products from 6th Jan – 2nd March 2026. Work done. Points doubled – simple.

All you need to do is install and register qualifying products on our loyalty scheme Baxi Works and those double points are yours!

Find out more

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†

Show Less

Product Literature

Installation and Service Manuals

User Guides

Specification Guides

Energy Labels

Warranty Guide

Data Sheets

Solutions Brochure

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

Training Tuesday

To help bring the classroom to installers, wherever you are, our trainers have made short videos on a range of topics from servicing, maintenance to installation and repairs to share on our social media channels.

View playlist

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.

ASHP solutions built around you, backed by us

Our comprehensive range of air source heat pump solutions fits the needs of every project – and with expert support always on hand, you can trust us to deliver. When it comes to ASHPs, we’ve got the lot

Enquire now

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 30th April 2026.*