Baxi Air Source Heat Pump installed at modern homes

Air Source Heat Pumps

Enjoy low carbon heating and hot water in your home with a Baxi Air Source Heat Pump

Discover more

How can we help?

Book a repair for your Boiler, Cylinders and Air Source Heat Pump (ASHP)

Book a Repair

Call us today or book a repair online with an expert Baxi engineer

Book a repair
Baxi Professional - Energy efficient Heating and Hot water Solutions

Book a Service

Due a boiler service? Book now

Book a service
Baxi Help and Advice

Help and Advice

Problem with your boiler? Check out our FAQs

Find out more
Baxi Customer Support

Customer Support

We are an award-winning service division and are here to provide support for the lifetime of your boiler.

Find out more

Baxi at Home Blog

Baxi_Warm_at_Home

Energy Transition

Getting a government grant for heating your home

It's turn on and test time. Make sure your heating system is ready for Winter. Did you know you may also be eligible for grants and discounts to help with the cost of heating your home? Find out more in this guide to winter heating support.

03/09/2025

Read more

Baxi is a leading manufacturer of heating and hot water solutions

Our solutions include Boilers, Air Source Heat Pumps (ASHPs), combined heat and power (CHP), heat interface units (HIUs), prefabricated plant rooms and skids, controls and digital applications.

In the UK and Ireland, Baxi has a portfolio of some of the best known and most respected brands in the residential and commercial heating industry - Remeha, Potterton Commercial, Andrews water heaters, and Heatrae Sadia.


Baxi is proud to have been manufacturing in the UK since 1866. From our award-winning customer support to our industry-leading hands-on training, we are fully committed to making life with Baxi as easy as possible.


We have a strong research and development platform and the financial strength of BDR Thermea Group means we make considerable capital investment to stay at the cutting edge of innovation. We are actively involved with designing products that will take us into the zero carbon future.


We employ over 1,200 people in the UK and Ireland and our manufacturing site is in Preston, close to where Baxi was first established in 1866.

About us
Trustpilot

Opening times

Monday to Friday

8am to 6pm

Saturdays and Bank Holidays

8:30am - 2pm

FAQs

  • All FAQ's

  • Air Source Heat Pumps

  • Boilers

  • Central Heating

  • Control Single channel

  • Control Twin channel

  • Cylinders

  • Energy Saving

  • Energy Transition

  • General

  • Home Safety

  • My Baxi app

  • Servicing

  • Warranty

What should my boiler pressure be set at?

Normal operating water pressure for your boiler & central heating system is between 1.0 and 2.0 bar. Find out how to troubleshoot when the pressure drops.

Read more

Does my boiler filter need cleaning?

Ask your installer to clean your filter while carrying out your annual boiler service. Read more to find out why this is important...

Read more

Do I have to have a magnetic boiler filter installed?

Fitting a filter is considered best practice when installing a new boiler. The installer must carry out the following steps when a new boiler is fitted...

Read more

Do I have to have a magnetic boiler filter installed?

Fitting a filter is considered best practice when installing a new boiler. The installer must carry out the following steps when a new boiler is fitted...

Read more

What is a back Boiler?

A Back Boiler is a small, compact Boiler fitted at the back of an open fireplace hearth. Find out everything you need to know about the Back Boiler.

Read more

What happens at a boiler service?

Make sure the installer who carries out your service is Gas Safe registered. Find out what the engineer will check for and how long the service takes...

Read more

What are the different types of boilers?

Read about the different types of Boilers, their pros & cons, so you can make an informed decision on what's best for you when you come to replace yours.

Read more

Are Baxi engineers Gas Safe registered?

Yes, our nationwide network of Baxi engineers are employed by Baxi and are Gas Safe registered. Find out more...

Read more
Show more

Carbon Monoxide (CO) Advice

Read on for info on signs and what to do if you suspect you have carbon monoxide poisoning; and learn about CO alarms.

User Guides

Looking for product literature? We have all the User Guides and Manuals you may need.