Upgrade to a Reliable, Energy-Efficient Heating System
Boiler replacement and conversion specialists. Gas-to-gas and oil-to-gas solutions for homes and businesses.
An Unreliable Boiler Costs You More Than You Think
If your boiler is constantly faulting or struggling to perform, it’s not just inconvenient, it’s inefficient.
Frequent breakdowns and fault lights
Inefficient boilers cost more to run
Inconsistent heating and hot water
An ageing system can quietly cost you more every day.
Heating Specialists You Can Trust
At Helios Gas, we provide expert boiler replacements and conversions tailored to your property and usage.
Installed by Gas Safe Register qualified engineers
Specialists in gas-to-gas upgrades and oil-to-gas conversions.
Wide range of modern, energy-efficient systems
Honest advice to help you choose the right setup
We ensure your system is correctly specified, professionally installed, and built for long-term performance.
Select Your Heating Upgrade
Gas-to-Gas
Upgrades
Best for improving an existing gas system
Upgrade efficiency of current gas setup
Improve performance & reliability
Lower running costs over time
Faster, simpler installation
Oil-To-Gas
Conversions
Best for switching from oil to modern gas heating
Replace outdated oil systems
Reduce fuel costs & maintenance while improving system reliability
Cleaner, more efficient energy
Full system conversion & installation
How We Replace or Convert Your System
1
Assess Your System
We review your current setup and recommend the best replacement or conversion option.
2
Install and Upgrade
We install your new boiler and carry out any required system conversion or upgrades.
3
Protect and Optimise
We clean, protect, and optimise your system for efficient performance from day one, with ongoing servicing available as part of our long-term client support.
A Heating System You Can Rely On
A Boiler Upgrade Delivers:
Lower energy bills through improved efficiency
Reliable heating and hot water
Modern controls for better performance
Long-term system protection
Your heating works properly, without stress or uncertainty.
What's Included
Complete Boiler Replacement & Upgrade Package
New energy-efficient boiler
New time clock / smart controls
Full system
flush
Magnetic filter for system protection
Chemical inhibitor treatment
Carbon monoxide alarm
Caleffi deaerator for system protection
Smart & weather-compensated controls
10 year
warranty
Delaying Replacement Increases Costs
Waiting too long can lead to:
Higher fuel bills
More frequent breakdowns
Costly emergency repairs
Upgrading now saves money and avoids unnecessary disruption.
Book a Commissioning Assessment
Speak to our team and find the right replacement or conversion for your property.
The Helios Difference
Installed Right. Built to Last.
We don’t just replace boilers, we design and install complete systems built for efficiency, reliability, and long-term performance.
We stay with you after installation, providing ongoing support and yearly servicing.
