For the safety of our customers (especially those in the at risk category) for the foreseeable future we will be wearing FFP3 facemasks and gloves to every job we attend. Furthermore we will wipe down with disinfectant wipes any surface where we have been working.

For more information.

Registered Gas safe engineer with over 25 years experience

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.

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

Our hours are flexible to suit your needs.

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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