Boiler specialists with over 25 years experience 

We will be continuing to work through this latest lockdown. Heating and hot water are essential at this time of year. We have been wearing masks and gloves, plus sanitising our hands before every job we have attended since March and will continue to do so.

We are a locally run business working in Worthing, Brighton and the surrounding areas. We have been working in the gas industry for over 29 years and were trained by British Gas. Gary our lead Heating engineer worked for British gas for 15 years before setting the company up.  We have worked for different manufacturers in the past including Ideal and Baxi Potterton. We specialise in boiler breakdowns, servicing and installs. However we can do anything gas related. We are Gas safe registered. Our number is 588046. Please feel free to check our credentials on the Gas safe website.

All our boiler installations come with long warranties and are registered with the local authorities ensuring that you receive all the right documents.

We are proud to be Baxi approved installers.

Our boiler servicing ensures the safety of your appliance and can identify any problems before they become serious. We can also issue certificates including Landlords gas safety certificates, boiler safety certificates. Its is strongly advised that you get all your gas appliances servicied every year.

We are members of checkatrade and we are proud of our reviews, please feel free to check them out.

Our lead heating engineer Gary has extensive experience in bolier repairs. We are confident that we can fix your boiler as we have worked on all manufacturers and models that have been made in the past 40 years. This includes back boilers and older open flued appliances, also he specialises in wiring faults. Our promise is that if we cannot fix your boiler you wont pay. We can also repair gas fires and cookers as long as the parts are available. We also install a lot of smart thermostats especially Nest and Hive, We are certified Nest Pro installers. 

We are fully insured to 5 million pounds.

We are also proud to be part of the "buy with confidence" scheme, meaning that we are Trading standards approved.

We work with local letting agents and private landlords supplying gas safety certificates. 

Our hours are flexible to suit your needs.

We are proud members of the "buy with confidence" scheme

What is a Baxi Approved Installer?

A Baxi Approved Installer is the highest level of membership that Baxi offers to gas engineers that install their boilers. 
As a Baxi Approved installer, we must:

Install a minimum of 20 Baxi boilers every 12 months, meaning we have plenty of experience fitting boilers

Attended a Baxi product training course at least once every 24 months 

Hold a valid Gas Safe Certificate (which is a legal requirement if you're working on gas appliances)

Ensure every installation meets Baxi's high standards

Hold public liability insurance

Each of these requirements guarantees that we can install and replace Baxi boilers to a high standard.

The benefits of hiring a Baxi Approved Installer

In addition to the above experience benefits of hiring a Baxi Approved Installer, there are also some more obvious benefits for why you should hire us for a Baxi boiler installation in the BN postcode.

We can offer extended warranties of up to 10 years on select Baxi boilers, which will cover you for parts and labour for years to come

We're specially trained to work on Baxi boilers, so if you're keen to replace your Baxi boiler with another one, or you're looking for a gas engineer to fix your faulty Baxi boiler, you needn't look any further than us

In the event of a boiler breakdown, we have access to all of Baxi's genuine replacement parts

We have up to date product knowledge on the most efficient Baxi boilers, so we can help you lower your energy bills

All of these benefits should give you confidence to hire us for your next Baxi boiler installation.

Contact us for a new Baxi boiler

If you're looking for a gas engineer in West Sussex or any of the surrounding areas, and you're specifically looking for somebody that can install a Baxi with a 10+ year warranty, or you're just looking for somebody to give you advice, please give us a call on 07923035103 or send us a email,



Recent testimonials 

We also specialise in installation of smart thermostats and are accredited Nest pro installers.

How a Nest thermostat helps save energy



A Nest thermostat also learns how quickly your home
heats and cools, because no two homes are exactly the
same. And it considers the outside weather conditions.
When it’s very cold, your home may take longer to reach
the temperature you want. So, a Nest thermostat can
figure out how early it needs to turn your system on the
heating to get your home to the target temperature on
time. And it learns when to turn your system off to
prevent overshooting the target temperature.
nest thermostat gen 3 front view


Hive smart heating thermostats


We also fit a lot of Hive thermostats, over 60 this year and counting!

Checkatrade information for GN Heating Ltd

Heating specialists

We specialise in all things gas related, so if you have a problem with your gas boiler, we will fix it.

We have been trained by the best boiler manufacturers in the country including Ideal, Vaillant, Baxi, Worcester Bosch and Potterton. We can deal with electrical problems in the boiler and associated controls, including pumps, 3 port valves etc.

We can check water samples to see if a system powerflush is required.





Baxi boilers.

We recommend Baxi boilers when quoting. Why?

1. Long warranties (7 to 10 years)

2. Reliability

3. Excellent after care service

4. Ease of installation (Less upheaval)

5. Varied range suiting all budgets

6. Open system boilers available

7. 15kw to 35kw boilers.







Some of our clients.

Our business hours

Saturday08:00 - 15:00
Monday - Friday08:00 - 20:00

Proud sponsors of Worthing Thunder Juniors basketball

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GN Heating Ltd – Registered Office: 39 The Metro Centre, Tolpits Lane, Watford, Hertfordshire, WD18 9SB – Registered in England – Company No: 10598869 – VAT Reg. No: 261647106

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