Heating
Breakdown repairs, fault finding, radiators, cylinders and complete system design and upgrades, from a 24-hour heating team.





A heating engineer, 24 hours a day
As one of Essex’s largest independent heating and boiler (gas and electric) installers, RSF provides a 24-hour service for all your heating requirements.
Our team of Gas Safe registered heating engineers undertake all types of breakdown repairs quickly and efficiently, including fault finding and diagnostic solutions. They design and install complete systems, and can repair or upgrade your existing system wherever possible. They can also carry out a heating efficiency survey on your system.
“If we can’t fix it nobody can!”
We usually get to you within the hour, with the fastest response time of any major service company in Essex.
Approved and preferred installers
We have been approved contractors to the Essex & Suffolk Water Board for over 20 years, and are recommended by manufacturers as a preferred installer by Vaillant, Worcester and Ideal, with 10-year warranties on most models.
- Worcester Preferred Installer
- Vaillant Major / Preferred Installer
- Essex & Suffolk Water approved contractor
Power flushing
A build-up of corrosion creates a sludge that really affects the efficiency of your boiler. A one-off deep clean makes sure your radiators heat up properly and there are no more cold spots.
Heating services we provide
Boilers
- Boiler installs
- Boiler repairs
- Boiler servicing
- Boiler fault finding
Gas & appliances
- Appliance installation
- Appliance repair
- Appliance servicing
- Gas repairs
- Gas testing & certificates
Radiators & controls
- Radiator installs
- Radiator bleeding
- Radiator leaks
- Radiator noise
- Thermostats
- Thermostatic valves
- Central heating controls
- Central heating pumps
Systems & hot water
- Central heating installations
- Central heating repairs
- Power flushes
- Immersion heaters
- Vented and unvented cylinders
- Emergency 24 hour service
What customers say
RSF thanks for a great job
“Called out RSF Group for noisy boiler, they power flushed my heating system and installed water treatment and magna clean to my pipework and everything now working fine,British Gas quoted me £590 more than RSF THANKS FOR A GREAT JOB.”
At last a decent Gas Company
“Tried 3 Companies who wanted silly money for a small gas run. Done within 3 hours and a reasonable charge.”
You may also need

Boilers
New boiler installs, servicing and repairs. Combi, system and conventional, with manufacturer-backed warranties.
- Installation
- Servicing
- Repairs

Power flushing
A one-off deep clean for your heating system, so radiators heat properly and cold spots disappear.
- Up to 8 radiators
- 9–16
- 17–26

Underfloor heating
Electric mats, foil and water systems, installed to suit your floor type and running-cost goals.
- Electric
- Water
- From £295 + VAT
Ready to book?
Call the office, or send us a few details and we'll come back to you as soon as possible.
