A1 Flues
A1 Flues


A1 Flue Systems are HETAS Registered

HETAS are the official body recognised by the Government to approve biomass and solid fuel domestic heating appliances, fuels and services including the registration of competent installers and servicing businesses.


A1 Flue Systems are now registered installers. We are trained and approved to UKAS standards and can self-certify that our work complies with the relevant building regulations.


We are registered to install:

  • Dry Appliance
  • External Factory-made metal chimney systems
  • Internal Factory-made metal chimney systems
  • Rigid sectional metal flue liners
  • Twin walled flexible flue liners

We are also registered to provide service and maintenance.