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The Biomass Boilers Specialists

Ashwell Biomass is one of the original and leading biomass companies in the United Kingdom, specialising in the manufacturer, supply, installation and maintenance of high quality wood chip, wood pellet and log fuelled biomass boilers nationwide.

Founded in 1879, Ashwell has a long history with vast experience and skill in the design, manufacture, installation, servicing and maintenance of solid fuel heating systems.

With over 15 years experience of biomass, including DTI and other numerous research and development projects, Ashwell Biomass is a true pioneer of biomass technology and the biomass industry in the UK. Furthermore, with hundreds of successful installations to date, you can trust Ashwell to deliver your biomass project on time, to budget and to be available to provide on-going servicing, maintenance and support.

Our range of biomass boilers is aimed at the domestic, industrial and commercial markets and includes everything from an 8kW system up to a huge 10MW+ solution. This range of boilers allow us to cover a project range of up to 20MW output, whilst burning a huge array of biomass fuels. We can also provide biomass CHP (Combined Heat and Power).

Ashwell remain at the forefront of biomass technology through its continued investment and partnerships for Research and Development, where we look at clean burning technologies and the combustion of alternative fuels.

Biomass Boilers by ashwell Biomass

Our portfolio of previous projects includes simple single boiler installations right the way through to large scale district heating schemes or industrial process applications – which are capable of incorporating multiple units.

Ashwell Biomass works with a number of partners and suppliers on testing and developing solutions for alternative fuels - ranging from food waste to biomass crops.

Ashwell Biomass develops bespoke biomass solutions for clients, including containerised Bio Heat Cabin's, which can be supplied complete with; fuel storage area, boiler, thermal buffer tank and controls. Our portfolio includes BP where we have developed a Food Waste to Heat solution with all equipment housed within a single energy cabin.

Ashwell Biomass works with nationwide network of specially selected installation partners, which includes providing high quality biomass boiler supply and associated training and assistance.

At Ashwell Biomass we take pride in being able to offer unrivalled maintenance, servicing and after-sales support. In addition to this we are frequently called to help clients with non Ashwell installations who have faced issues with fuel quality, handling systems or technical biomass boiler issues.
Our Priority is customer satisfaction!

Our range of services on offer include;

Biomass Boiler Certified - uni en 303-5 chas accredited for wood burning Boiler installation energy tech
hetas accredited Construction Online accredited carbon trust
renewable energy association pro5 napit_mcs_installer
  • Design Consultancy
  • Product specification
  • Manufacture
  • Supply and support (for our growing network of high quality installers)
  • Bespoke Design
  • Boiler house layouts
  • Building Energy Management control systems
  • Installation
  • Maintenance/service contracts
  • Biomass industry support (incl: R&D and testing)

Ashwell Biomass products in brief

D’Alessandro boiler range The D’Alessandro boiler range - Manufactured in Italy, this range of boilers meets ISO9001 quality standards and is EN303/5 compliant. Outputs range from 20kW to 2MW and the products span various fuel types, which results in the D’Alessandro boilers being suitable for most applications

Komforts provide a range of bespoke boiler services Komforts provide a range of bespoke boilers and complete boiler house solutions, designed to provide steam, hot water & CHP. Made to order in Latvia, the advanced systems meet ISO9001 quality standards and are often suited for medium to large scale solutions in industrial and commercial environments.

The KWB biomass boiler range is manufactured in Austria and are quality products which satisfy the strictest European standards, tests and regulations including EN303-5. All KWB boilers have RHI emissions certification with their domestic biomass boilers also being MCS approved. With boiler outputs ranging from 8kW - 300kW and a versatility over a range of fuel types, the KWB boilers are suitable for a wide range of domestic and commercial applications.

Kalvis provide a range of boilers including the RHI and MCS approved K10 log gasification boiler and the versatile M-1 industrial biomass boiler, which can handle a wide specification of wood chip fuel, including low quality, high moisture content fuel. With a focus on quality Kalvis are accredited under a number of environmental and quality standards including ISO 9001, ISO 14001 and OHSAS 18001.

GreenTec wood pellet boiler range The GreenTec wood pellet boiler range Ashwell's own biomass boiler, designed and manufactured in-house, at our Leicester workshop. Being exempt appliances, these boilers are suitable for use in Smoke Controlled Areas (as defined by the Clean Air Act) and, as they are of modular design, they provide an extremely versatile solution with various fuel feeds and a much smaller footprint than the majority of other biomass boilers.
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