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Gas heater safety check: Using unflued gas heaters safely

Find out what unflued gas heaters are and how you can do a gas heater safety check.

By Trust and Safety 13 October 2023

Gas can help to heat large spaces, but it's important to know about gas heater safety.

Unflued, flued – what's the difference?

How to use unflued gas heaters safely

  • The room needs to be well-ventilated.
  • Keep internal doors and at least 1 window open to allow fresh air to enter the room.
  • Check that room vents are not blocked.
  • Never use an unflued gas heater in the room where you sleep, in a bathroom, caravan or tent.
  • Minimise the length of time you use an unflued gas heater.
  • Make sure your heater is installed by a licensed gas fitter.
  • Read and follow the manufacturer's instructions for using your heater.
  • Have your unflued gas heater serviced by a qualified person at least once a year. Do not do any maintenance yourself.

Why it's important to use unflued gas heaters correctly

Selling a gas heater?

Find out about the safety requirements when selling gas appliances.

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