Log Boilers

Simple Fuel. Smart Technology. Sustainable Heating.

What Is a Log Boiler?

Log boilers use split logs—one of the most natural forms of wood fuel—and extract maximum energy through advanced combustion control. When burned at the right moisture level (20–25%), logs offer one of the cheapest and most sustainable heating options available.

These boilers work in tandem with a large buffer tank, storing energy and distributing it efficiently throughout your heating system.

Is a Log Boiler Right for You?

• Ideal if you have access to timber
• Great for energy independence
• Significant savings on heating costs
• Requires manual loading once or twice daily in winter
• Needs space for wood storage and a large buffer tank

If you’re ready for hands-on heating and long-term savings, log boilers are a powerful solution.

New Additions to the Froling Log Boiler Range

Froling regularly updates its firewood boiler range with new technology. The following models are also available to order through Denergy:

• Froling S5 Turbo (22–48 kW) – the latest generation log boiler, featuring a silicon carbide V-combustion chamber and an optional pellet flange so it can be upgraded to burn pellets in future.
• Froling FKE Aqua Fireplace Insert (8–17 kW) – a water-jacketed fireplace insert that heats your hot water and heating circuit directly from an open fire, ideal for smaller properties or as a secondary heat source.

More from the Froling Range

• Pellet Boilers – automated, low-maintenance pellet heating
• Woodchip Boilers – cost-effective large-scale biomass
• Firewood & Pellet Combi Boilers – burns logs and pellets in one boiler
• Heat & Electricity (CHP) – combined heat and power from wood chips
• View all Froling Biomass Boilers

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