Bespoke innovative Biomass renewable solutions

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What is Biomass?

Wood pellet being burned

Biomass energy is organic matter that can be burned or decomposed to be used as a source of energy.

Wood waste from multi-functional forests constitutes the majority of today’s biomass. Pellets and briquettes are manufactured by compressing by-products from the forestry industry, such as sawdust, bark or small diameter round wood. What distinguishes biomass as a fuel type is that it was “recently alive.” Burning biomass is CO2-neutral in the sense that when it burns, it only releases the quantity of CO2 that the plant absorbed during growth.

Using biomass as a replacement for fossil fuels reduces emissions and recycles biological waste from many forms of industrial products. Thus, biomass technology like ours solves serious problems by protecting the earth and atmosphere from greenhouse gas emissions.


Exchange old inefficient boilers, for new state of the art Biomass.

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Cutting Carbon

Biomass fuels produce a fraction of the Carbon emissions of fossil fuels making them a carbon lean technology.

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The process of burning a fossil fuel releases the stored carbon that was contained inside it, millions of years ago, back into the environment. Biomass fuels are what are known as contemporary carbon which means that when they are combusted they release the same carbon levels that were recently consumed by the growing plant, meaning that the carbon levels are consistent and sustainable.

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Efficiency & RHI

Some of our clients receive £15,000 up £50,000 per annum on RHI payments, and they will receive this for 20 years.

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Modern biomass combustion systems are highly sophisticated, offering combustion efficiency and emission levels comparable with the best fossil fuel boilers.  Using modern technology, they can operate at 90% efficiency which is vastly higher than conventional boilers and electric heating systems. With the system been so energy efficient you are also rewarded by the government for running your bio mass system and you will be paid a RHI Tariff, this will be calculated for yourself within a quotation or read more information on the below link.

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Fixed Wood Pellet Fuel

We only work with accredited Biomass Suppliers to source wood pellets and you can fix your wood pellets supply for 15 years.

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We only work with accredited Biomass Suppliers’ List (BSL) source of wood pellets and use FSC approved sources of wood fibre either in the form of sawmill waste or rejected logs. We have a range of fuel supply contracts available ranging from 12 months up 15 Years, yes that’s right you can FIX your wood pellet supply for 15 years. Giving your business long budget certainty and massive savings against any fossil fuel, even if you didn’t get your biomass boiler installed by us take advantage of this opportunity today.

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Fuel Comparison

The values in the table below are sourced from the market average.

Fuel comparison table

Finance Options Available

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  • Green Guru NE is up to date with all latest funding.
  • We partner up with major banks to give you the lowest interest rates.
  • Government funding options are also avalible to help projects.
  • You don't have to use your own capital.
  • Enquire today to find out what is best for you.


Low maintenance Biomass boilers to suit your business needs.

Many boiler types require very little maintenance. Like any other boiler, they should be serviced by a qualified service engineer. This service packages are all discussed and agreed as part of your aftercare plan. This said they generally require less maintenance than standard boilers and more general inspection to make sure they are functioning correctly. A visual inspection of the boiler and fuel feed system to check lubrication of bearings and to empty the ash bin will be required usually on at least a fortnightly basis.

Inside of a Biomass container

The Biomass Installation Process

Here's how we install a Biomass boiler.

Biomass container
Container for construction arriving at workshop
Engineer in container
Engineers working on container at workshop
Engineer in container under construction
Pellet store within container under construction
Container standing at workshop
Container finished at workshop inside view
Container being moved onto waggon
Container moving onto waggon from workshop heading to new home
Container on lorry
Container arriving on site
Container positioned on site
Unit positioned on site and fully cladded
Underground pipes
Image of underground pipe fitted in ground
Finished connecting pipes
Works finished connected to existing plant
LandEnergy fuel tanker
Fuel delivery
Greenguru NE and client shaking hands
Handover system

The Biomass Turn Key Process

Keeping it simple for you with our 8-step process.

Enquire - Our Biomass specialists are on hand to deal with your enquiry.
Survey - Survey to establish planning issues, plant room layout, pipe runs M&E’s, finance options.
Design & Quote - To include description of works, exclusions, fuel savings, RHI returns, costs and paybacks.
Final Meeting to Discuss - Payment options and job specs.
Manufacture & Install - Parts are manufactured then delivered to the site.
On Completion of Work - Commission of system and job signed off.
RHI Application - We will submit a full RHI application made on behalf of you.
After Care - Service and maintenance plans agreed.

Greenguru NE Biomass Partners


Windhager logo

Windhager have been Greenguru's strategic partner since 2016 for Biomass boiler supply. In the last 5 years Green Guru and built up a relationship with Windhager and are now one of their leading partners.

Learn more about Windhager partnership


CATfire Service & Trading logo

Catfire Renove were introduced to Greenguru as a biomass manufuature 4 years ago. We have since carried out various large scale installations using their boiler technologies.

Learn more about CATfire partnership

Frequently Asked Questions

How does a biomass boiler work?

Biomass boilers work in exactly the same manner as any other type of boiler, but use a biomass energy product as its fuel. As this tends to be Woodchip or pressed pellets, there is ash as a by-product of the combustion process.

What about smoke produced by the boiler?

As an appliance that combusts wood biomass fuel to
operate, both ash and smoke are unavoidable side-effects of biomass boiler heating systems. Because of strict regulations and legislation, however, there are requirements for flues and chimneys to be of a certain height to minimise environmental impact.

Due to the small amount of smoke produced by the burning of wood fuel during the lighting stages, you can’t use most biomass boilers in Smoke Control Areas. But depending on the size requirements of the boiler & fuel supplier. They is always an alternative boiler or product to get around the SCA. If you think you are in a Smoke controlled area then please confirm with your local authority and let us know.

How do I store my wood fuel?

Depending on the size and type of site you have, a storage solution can be found or tailored to suit your requirements. From underground or above-ground bunkers to farm animal feed-style silos or even flexible material silos for internal locations, there is an option suitable for you.

If you are going with Greenguruʼs plug and play containerised solution this has a built-in fuel store, so you don’t have to worry about any of the above.

How is wood fuel delivered?

Delivery is primarily an access issue (can a delivery vehicle get on to the site and up to the fuel store?) however delivery options may be linked to the chosen fuel type, how these can be delivered and the type of storage on site.

One of the quickest and simplest ways to get fuel into your store is by tipped delivery. Your supplier delivers the wood fuel by pneumatic lorry and, once on site, the lorry simply tips the chips or pellets into the fuel store.

Alternatively, still tipped, the fuel can be fed through a pipe to the storage area. Wood pellets can be blown through a pipe from as much as 20 metres away from the storage, which could work best for sites with obstructions between the access road and fuel silo.

Where do I get biomass wood fuel from?

Greenguru will advise and help you get the best priced fuel delivery, we only work with approved suppliers. And we are so lucky that we have managed to be able to get our clients fuel delivery contracts for as long as 15 to 20 years and no other supplier we are aware of can off this service. Securing your fuel price for the foreseeable future, or you can play the market and renegotiate every 12 months its initially down to you!

Can Greenguru help me with finance options?

Green guru is able to offer tailored finance packages for biomass projects that aims to remove the up-front capital cost from your biomass solution.

In order to offer the ideal finance solution for each individual biomass project we provide tailored packages upon enquiry that can help move a project along. These solutions include payments structured to match the Government's RHI scheme paybacks and energy savings.

What is the government's RHI?

The Renewable Heat Incentive is a scheme that allows those who invest in biomass heating technology to earn payback on the heating they generate for 20 years.  This is on each kilowatt hour of heat used and metered, that is generated using a renewable technology and a sustainable source – such as biomass boilers, Ground Source heat pumps, Air source heat pumps and more, check out our RHI page for more information.

The non-domestic RHI was introduced in 2011 with renewable heating systems commissioned after June 2009 eligible for registration in the scheme.

The British Government committed to the EU that 15% of all energy consumed will come from renewable technologies such as biomass by 2020 and the establishment of the RHI was to help reach this target.

More details about the RHI, calculations, application process and eligible technologies are on the RHI page

What are my service options with GreenGuru?

Greenguru offers comprehensive service options for all its clients and installations. From additional warranty cover and regular maintenance checks to bespoke service contracts to best meet your site’s and system’s demands, we can offer the right package for you.

How efficient biomass is against fossil fuel boilers?

Biomass boiler heating systems are, as a rule, much more efficient than traditional boiler systems. The Windhager Biomass boilers are up to 95% efficient compared to pre-2011 installed gas boilers which could be as low as 80%.

What do I do if my biomass boiler shows a fault?

The majority of our installs having 24/7 monitoring and support functions the fault will be picked up and resolved immediately. If a engineer is required to site then this will be organised online and you will get a call to inform you of the arrival of the engineer.