Apply for exemption of an appliance in a smoke control area

Application pack for manufacturers or marketers of furnaces or boilers who want them classified as exempt for use in smoke control areas.



This guidance has information on:

  • what types of appliance do not need exemption
  • how to make an application for exemption
  • emission limits
  • acceptable test methods
  • certification and marketing
  • changes to exempt appliances following completion
Published 1 November 2012
Last updated 1 December 2018 + show all updates
  1. Updated with the latest guidance from new supplier HETAS.
  2. Replaced version 3 with version 4
  3. First published.