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Emissions abatement technology

Emissions abatement technology

Modern wood fuel heating systems generally have low levels of emissions and many come with cyclone filters as standard.

However in some cases, such as when a wood fuel system is located in an Air Quality Management Area, additional abatement technology may be required.

Abatement technologies include:

  • ceramic filters
  • electrostatic precipitators
  • bag filters

AEA Technology have produced a comprehensive report on the types of abatement technology, effectiveness and costs for the Regional Biomass Advice Network - links to these are listed at the bottom of this page.

Emissions from individual boilers can be minimised by boiler design, specification and rating, optimisation of air flow, fuel type, and, quality and chimney height specification.

Small, manually-fed, wood fuel systems such as stoves, generally have higher levels of emissions (though much less than other solid fuels such as coal). These sort of systems are more appropriate in rural areas where other sources of emissions are of less concern and there is a lower density of buildings.

All solid fuel combustion produces emissions, including small particulates and nitrogen oxides (NOx) and it is important to ensure your system complies with air quality regulations.

The Renewable Heat Incentive has set a minimum standard for emissions from biomass systems, so you should check your system meets these requirements or consider additional abatement technology.

If your installation is situated in a smoke control zone, you must ensure your boiler is listed on the DEFRA exempt appliances list.

If your installation is situated in an Air Quality Management Area, you must ensure your wood fuel boiler is listed on the Energy Technology List for Biomass Boilers and Roomheaters.