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Biomass systems burn wood pellets, wood chips or logs to create heat. They are connected to your central heating and hot water system in the same way as a traditional gas, LPG or oil boiler. They can be located in living rooms, plant rooms, out buildings, or completely externally.

Biomass heating units come in a range of sizes which allow us to design a system to heat anything from a small domestic property to a large commercial/public building such as an office, school, hospital or factory.

The biomass units themselves are usually comprised of a boiler or a stove where they can become a real focal point for locations such as living rooms and kitchens. However, our biomass range is not limited to just these, we also supply high end inset fires and attractive cookers which have a similar appearance to an Aga

Why install biomass?

  • ​Wood fuels can be considerably cheaper than oil and LPG so biomass systems perfectly suit properties off the gas grid, giving you an instant fuel cost saving
  • The cost of biomass fuel is comparable to the current price of gas however; as biomass is a sustainably sourced fuel, costs are more stable and are unlikely to rise at the same rate as gas making it a great way to future proof your energy spend
  • Biomass systems can be sized to heat any property in any condition and are not dependant on high insulation levels making them ideal for older properties with solid walls
  • Our installations qualify for the very attractive Renewable Heat Incentive (RHI) which is a government guaranteed tariff payable for 7 years on domestic installations and 20 years on commercial
  • The RHI makes biomass a great investment opportunity because not only are the payments index linked and tax free, they can often cover the cost of the system and generate a sizable profit*
  • Significantly reduce your CO² emissions

for more information

The difference between biomass and fossil fuels
The vital difference between biomass and fossil fuels is one of time scale. Biomass takes carbon out of the atmosphere while it is growing, and returns it as it is burned. If it is managed on a sustainable basis, biomass is harvested as part of a constantly replenished crop. This maintains a closed carbon cycle with no net increase in atmospheric CO² levels.

When fossil fuels are burned they release carbon into the atmosphere that was created millions of years ago. Because this carbon wasn’t absorbed recently it is added to the current carbon cycle and consequently increases CO² levels.

Biomass Fuels
Which fuel is the most suitable for you will depend on various factors including local availability, delivery access, space available and project budget.


Wood pellets are the most consistent and space efficient fuel as they are drier and have a much lower fluctuation in calorific value. Depending on the appliance they can be fed manually from bags directly into the boiler/stove when required or bulk bag deliveries can be put into a larger external hopper/pellet store which automatically feeds the biomass unit. The other option for larger systems is to have the pellets blown directly into the store by a purpose built lorry removing some of the customer interaction required.

Wood chips are an alternative to pellets. They are a cheaper fuel but less dense and consequently require more handling and storage space. This fuel is more suited to larger installations.

Logs can be the cheapest form of wood fuel as they have undergone very little processing. A log boiler is ideal if you have your own supply.

For more information about biomass fuels contact our trusted local supplier

This Italian company offer an innovative range of stylish pellet stoves which can look great in any home

PFP 18 Inset Pellet Boiler
A modern and stylish looking pellet stove and boiler in one providing all of your space heating and hot water requirements

Smart 120
As well as providing normal pellet boiler functions, this sophisticated boiler has the added bonus of a sealed oven and cast-iron hotplate. As well as operating at over 90% efficiency, it is DEFRA approved for use in smoke-controlled zones and is currently the only MCS accredited cooker which qualifies for the RHI.

Diva Mid
With a heat output of up to 20 kW the stylish Diva Mid can take care of the heating and hot water needs of a good size house. The hopper can hold 42 kilos of wood pellets, giving it a good autonomous running time, and will simply light itself when heat or hot water is needed and turn itself back off when everything is up to temperature.

For more information on Klover click here

For over 3 decades, Hargassner have been building top of the range, highly efficient and reliable biomass boilers in their state of the art factory in Austria. Each unit is built to order and they can heat anything from single family homes up to large-scale systems for hotels, farms and public buildings.

They achieve the lowest emissions by offering the highest efficiency, ease of use and long product lifespan. A properly maintained and serviced Hargassner boiler has an indefinite lifespan and will function well beyond the 20 year commercial RHI scheme.

Classic Lambda 9-60 kW Pellet Boiler

  • State of the art technology with unparalleled levels of automation including automatic ignition, cleaning system and ash compacting and extraction. This gives long intervals between ash bin emptying.
  • Touch screen control
  • WiFi enabled and a dedicated Hargassner phone app allow you to control your boiler remotely changing anything from desired room temperatures to flow temperatures, heating times and activating holiday modes
  • Ash level indicator – also receive an email or text when your ash bin needs emptying
  • Outside weather compensation enables the boiler to perform in the optimum heating output range saving energy and heating fuel

This product requires a reasonable amount of space for installation such as a plant room, out house, or space in a garage but is an extremely impressive and efficient heating system.

To find out more about Hargassner click here

Biomass heating is almost carbon neutral

Biomass FAQ's

Do I need planning permission?
It is advisable to contact your Local Authority prior to installing a system as you may need permission in certain circumstances such as installing in a listed building or conservation area.

How much maintenance is required?
The frequency of maintenance is very much manufacturer and model specific but typically a user would need to empty the ash bin (some models only twice a year), have the flue cleaned usually every year and have an annual service carried out by a qualified engineer (possibly more depending on the amount of fuel being burnt). The system specific requirements are provided with each of our quotes.

How long will it take to install?
This depends on the size of system being installed and the associated works required in connecting it to the existing property. A typical domestic installation will take about a week.

What is the RHI?
The Renewable Heat Incentive (or RHI for short) is a government backed scheme aimed at encouraging the installation of renewable heating systems. It pays an attractive financial incentive every quarter for 7 years (domestic) and 20 years (commercial)

What if I live in a smoke control zone?
There are a number of products available on the market which are approved by DEFRA for use in smoke control zones. To find out if you live in a smoke control zone you should contact your Local Authority.

How much space is required?
This is entirely dependent on the power output required. Some biomass stoves will fit in the place of a log fire whereas larger boilers usually require their own plant room

Does the boiler have to be inside?
No. Although most boilers are designed for indoor use, there are a number of units that work completely externally or in pre-built cabins.

How often do I need to add pellets?

This is dependent on the hopper size and heating and hot water requirement of the property.

Do I need a backup/supplementary system?

No. A correctly sized biomass boiler will provide enough heat for all of a properties needs

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*domestic systems only