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Biomass Boiler Service Certificate
A Biomass Boiler Service Certificate records the annual service of a biomass (wood pellet, wood chip, or log) boiler. It covers combustion analysis, flue gas measurements, ash removal, component inspection, and emissions compliance in accordance with HETAS requirements.
HETAS Technical Standards, Clean Air Act 1993, Ecodesign Regulations 2020Valid: Annual (12 months)
What it covers
- Combustion chamber inspection
- Flue gas analysis (CO, O2, temperature)
- Ash removal and cleaning
- Feed system and auger inspection
- Lambda sensor and controls check
- Emissions compliance (particulates)
Who needs a Biomass Service?
Biomass boiler owners
RHI recipients
Commercial biomass operators
HETAS registered engineers
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Frequently asked questions about Biomass Service
How often should a biomass boiler be serviced?
Biomass boilers should be serviced annually by a HETAS-approved engineer. RHI (Renewable Heat Incentive) recipients must maintain annual service records. Some high-use commercial systems may need more frequent servicing.
Do biomass boilers need Clean Air Act compliance?
Yes. In Smoke Control Areas, biomass boilers must be DEFRA-exempt or use authorised fuel. The Ecodesign Regulations 2020 also set minimum efficiency and emissions standards for new biomass boilers.
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