Built to Perform
Crafted from premium 316Ti stainless steel with ultra-low emissions, Sapphire Boilers deliver lasting durability and support decarbonisation efforts.
Smart, Efficient Heating
Advanced flame technology and smart control compatibility ensure next-level efficiency, comfort and control for modern homes.
Ready for the Future
Backed by research and biofuel-ready, Sapphire is future-proofed with HVO compatibility – the cleaner choice for off-grid living.
Proven Performance, Trusted by Homeowners
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Certified Performance
Fully ErP and BED compliant — designed to meet the highest UK efficiency and safety standards.
Effortless Maintenance
Soot-free combustion chamber can be easily cleaned with a simple spray and rinse during service.
Flexible Output Options
One model, three outputs — available in 23kW, 28kW and 32kW to suit a range of home sizes.

Adaptable Installation
Four flue positioning options allow seamless fitting in almost any home or boiler room layout.
Smart Diagnostics
Built-in digital display shows temperature and fault codes for quick, accurate troubleshooting.
Quick, No-Hassle Setup
Fully electronic commissioning process — no pressure gauge required, saving time on installation.
Fully stainless steel 316Ti one piece heat exchanger and extremely low emissions. Play your part in decarbonisation.
Modulating blue flame technology, compatible with smart controls – providing next level comfort.
The result of extensive research and innovation, the Sapphire Boiler is backed by numbers, not industry politics.
Providing a future-proof solution for off-grid homes – the Sapphire Boiler is part of that future & biofuel ready.
A Smarter Way to Lower Your Carbon Footprint
Sapphire Boilers have partnered with Forest Carbon to support certified woodland creation across the UK. For every boiler installed, a tree is planted — helping to offset emissions and contribute to a greener future.
Each project is verified under the UK Government’s Woodland Carbon Code, ensuring long-term, responsibly managed impact. Choose Sapphire and support sustainable heating with real environmental benefits.
Running Giveaways and Prize Draws
Cutting Costs and Emissions at The Five Horseshoes
The Five Horseshoes Inn needed a reliable, efficient heating solution to suit its off-grid location. Sapphire provided a fully modulating, HVO-ready boiler — reducing running costs while lowering emissions.
This installation ensures long-term fuel savings, increased system performance, and a significantly reduced carbon footprint — all without compromising comfort.
Case Studies
Our case studies provide in-depth insights into the experiences of customers who have upgraded to Sapphire Boilers.
See how they have achieved significant savings, enhanced comfort, and reduced environmental impact by choosing our cutting-edge heating technology.
Sapphire News
IMPROVE YOUR SYSTEM EFFICIENCY
Reduce emissions by up to 90% with the use of HVO
The Sapphire Boiler perfectly compliments your overall heating system efficiency.
The Sapphire Boiler is the industry’s first Fully Modulating, OpenTherm Certified Liquid Fuel Boiler on the Market.
Find out why you should heat your home with Sapphire, whilst reducing your carbon footprint along with lower fuel and electricity consumption.