Tell us what you need
Start with a quick conversation about your home and what you’re looking to do. We’ll ask the right questions and explain the right next step.
Designed properly. Installed by one local team. And on qualifying heat pump installations, guaranteed to achieve at least 325% efficiency, or your money back.*
Is your home overpaying for energy? Get a free personalised estimate and find out what you could save.
See What I Could Save →From boilers and heat pumps to solar, battery storage and servicing, we recommend what’s right for your home, explain everything clearly and look after it for the long term.
From a new boiler to a full switch to renewable energy, our team can help you work out what’s right for your home, your budget and how you live.

Switch to a heat pump and you could get a government grant of up to £7,500 towards the cost of your new system (up to £9,000 for qualifying homes heated by oil or LPG). We’ll check whether a heat pump is right for your home, explain what funding you can get and take care of the whole installation.
Explore heat pumps
Generate your own electricity, rely less on the grid and cut what you buy from your energy supplier. Add a battery to save unused power for later.
Explore solar & batteries
Time for a new boiler? We’ll help you choose the right one for your home and install it properly, with clear advice and no unnecessary upselling.
Explore new boilers
From annual boiler servicing to heating breakdowns, we’ll keep your system running safely and get things working again when something goes wrong.
Servicing & repairs
Heating and cooling in each room with air conditioning from leading brands, from £2,337 for a single room. Installed and serviced by our Refcom registered engineers.
Explore air conditioningPlenty of installers fit one of these. We design, install and look after all three, so your panels, battery and heating are planned together from the start rather than added by different companies years apart.
Generate electricity on your own roof during the day.
Store what you don’t use straight away and draw on it in the evening.
Heat your home and hot water, producing 3x or more heat for every unit of electricity it uses.
One survey, one design, one fixed quote and one team looking after it all afterwards.
Talk to us about the whole systemWe’re a Southampton-based team of heating and renewable energy specialists, helping homeowners across the South Coast with everything from boilers and heating to heat pumps, solar and battery storage.
Because we work across both traditional heating and renewables, we can recommend what actually makes sense for your home, then install it and look after it for years to come.
More about Gas Worx
From what we recommend to how we design, install and support it, everything we do is about making sure you’re confident in the system going into your home.

We’ll help you find out. We assess your home properly, work out what it needs to stay warm and show you what switching to a heat pump would actually involve, including how much government funding you could get.
Explore heat pumps0% APR finance over 12 months, or 12.9% APR finance over 36, 48, 60 or 120 months, through our partner Ideal4Finance. Always subject to the lender’s assessment.*
For qualifying heat pump installations, we agree a minimum performance target with you before you go ahead. If your system doesn’t achieve that level, our money-back guarantee applies.
Practical advice on heating, heat pumps and home energy.

Radiators cold at bottom can point to sludge, low flow or a valve fault. Learn safe checks, when bleeding helps and when to call a heating engineer today.
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Our Worcester Bosch boiler review explains reliability, efficiency, costs and warranty options, helping South Coast homeowners choose with confidence now.
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Our Vaillant boiler review covers reliability, efficiency, warranties and model choice, helping you decide if one suits your own home, needs and budget.
Read moreTell us a little about your home and what you’re looking for. We’ll give you a call, talk through your options and arrange the right next step if you’d like to go ahead.
Gas Safe registered (502860) · MCS certified for heat pumps · NAPIT member