How to maintain wood heaters

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How to maintain wood heaters

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Project Overview

There’s nothing better in winter than a nice wood fire. But they require a bit of maintenance to keep them going. We’ll show you how to keep a firebox clean, what tools you need, what wood to use and how to light the perfect fire.
Continue to step-by-step instructions

Step by Step Instructions

1 Choose the right wood
2 Get rid of the ashes
3 Lighting your fire
4 Keep the glass clean
5 Use a safety screen
6 Clean the flue
7 Turn fan off before opening the door
  • Step 1. Choose the right wood

    For a great fire, make sure that you never burn cold or damp wood. This creates excessive smoke outside and even inside your house. If you don’t have a wood source on your property, you can buy firewood in bulk or in bags. Avoid burning treated pine or rubbish in your fire. These create extra soot in your chimney and treated pine contains chemicals, which can be quite toxic in your fire.

  • Step 2. Get rid of the ashes

    Fireboxes can get pretty dirty because of all of the ash. Keep the area around the fire clean by using a shovel and brush to sweep up ash.  To clean inside the firebox, use metal tools. This is because there may still be hot embers present. Make sure you don’t put hot ashes into your plastic council garbage bin. Try scattering the ashes on your garden instead. It’s also a good idea to use a galvanized bucket for taking ash or embers out of your firebox.
  • Step 3. Lighting your fire

    Set your firebox with paper, plenty of dry kindling and firelighters. If you can’t light it with matches, try using a fire lighting stick instead to reach the back of the firebox. When the fire is alight and roaring, use good quality fire tools to put pieces of wood on the fire. Tools such as tongs, poker sticks, and a shovel are essential for a good fire.

  • Step 4. Keep the glass clean

    It’s important to keep the glass at the front of your firebox clean. Not only does it help the heat to come out, but it makes the fire nice to look at. To clean the glass, use some scouring brushes and warm soapy water. You may need a harsher scrubbing brush to remove soot that has stuck on.

  • Step 5. Use a safety screen

    It’s important to use a safety screen when your fire is going. This will provide a small barrier and safeguard your hot fire from kids and pets. There is a range of different sizes and styles to suit every fireplace.

  • Step 6. Clean the flue

    It’s really important to maintain the flue. This is one of the biggest safety issues with wood fires, because many house fires occur due to a flue that is not maintained. To be safe, check it annually. Put a brush down through the flue or drag a bag through it to loosen all the soot and buildup inside. 

  • Step 7. Turn fan off before opening the door

    When you open the door while the fire is on, make sure the fan is turned off and the airflow is open.  Otherwise you’ll quickly get covered in smoke. Most of these types of wood heaters have a switch on the side for the electric fan. 

Tools and Materials


  • Bucket of soapy water
  • Fire tools – brush, poker, shovel, tongs
  • Flue brushes or bags
  • Paper
  • Safety screen
  • Scouring brushes


  • Fire lighters
  • Kindling
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Health & Safety

Please make sure you use all equipment appropriately and safely when following the advice in these D.I.Y. videos. You need to be familiar with how to use equipment safely and follow the instructions that came with the equipment. If you are unsure, you may feel it is safest to consult an expert, such as the manufacturer or an expert Bunnings Team Member.

Grave health hazards are linked to asbestos, which may be in homes built up to 1990. Health hazards may result from exposure to lead-based paints in older materials and copper chromium arsenic (CCA) treated timber. For information on the dangers of asbestos, lead-based paint and CCA treated timber and tips for dealing with these materials contact your local council's Environmental Health Officer or visit our Health & Safety page. You can also use a simple test kit from Bunnings to indicate the presence of lead-based paint.
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