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H003 & H003DS | Dry Appliance Installer/Defined Scope (DS)

This course is suitable for Candidates with relevant experience in the construction industry, including allied trades such as plumbing and heating installers.

Course Overview

This course comes with two options:

H003 (Full Scope): This is full dry stove installer course suitable for candidates who may intend to progress towards the H005DE Biomass Training & Assessment.

Candidates successfully completing the H003 with the correct prerequisites may progress to:

  • H004 – Wet Installer training & assessment 
  • H005DE – Biomass training & assessment
  • H006 – System Chimney training & assessment
  • H008 – Dry Pellet Stove training & assessment

H003DS (Defined Scope): Suitable for candidates who do not intend to progress to the H005DE Biomass Training & Assessment.

Candidates successfully completing the H003DS with correct prerequisites may progress to:

  • H004 – Wet Installer training & assessment
  • H006 – System Chimney training & assessment
  • H008 – Dry Pellet Stove training & assessment

Course Content

  • Solid fuel and the factors affecting fuel selection
  • Fuel preparation, seasoning & storage requirements
  • Appliance types and operating principles
  • Safe combustion of solid fuels
  • Industry rules, regulations & standards
  • Identifying & responding to unsafe situations
  • Chimneys, flues & terminals
  • Air supply & ventilation
  • Installation of hearths & fireplaces
  • Commissioning & handover of dry appliances
  • Identification of faults & the correct use of terminals
  • Service & Maintenance of dry solid fuel appliances

Course Details

Assessment Method

Theory & Practical.

Course Duration

Approximately 3-4 days.

Course Outcome

HETAS Statement of Results.


At least one of the following: 

  • Demonstrable, relevant work experience.
  • OFTEC technician – 101, 102 or 105e.
  • Registered Gas Safe operative – CCN1 and HTR1
  • Registered member of GOMCS, APICS or NACS

Next Steps

Joining the HETAS Competent Person, Approved Servicing or Sweep Schemes.
Successful H003 or H003DS candidates can also progress on to other HETAS courses.

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HETAS, Severn House, Unit 5 Newtown Trading Estate, Green Lane, Tewkesbury, GL20 8HD