How to Troubleshoot an Alaska Coal Furnace


An Alaska coal furnace made by the Alaska Stove Company can heat your home for a relatively low cost. From time to time, however, you may encounter problems with your furnace, such as a lack of heat, black dust or the smell of sulfur. If you encounter any of these problems, there are a few ways for you to troubleshoot the problems yourself before having your stove professionally serviced.

Things You'll Need

  • Cleaning rags
  • Scoop
  • Hand broom
  • Turn the unit off and allow it to cool completely.

  • Lift the grate off of the feeder housing and scoop out any accumulated ash. Clean the grate with warm, soapy water, making sure that all the holes are free of obstructions.

  • Inspect the grate for cracks. If it is cracked, you will need to order a replacement grate. If it is not, allow it to air dry thoroughly before replacing it.

  • Locate the plastic wheel on the gear assembly and wipe it free of dust, dirt and ash.

  • Lift the stove pipe free of the unit and clean it with warm, soapy water. Make sure the exhaust holes are free of obstructions. Allow it to air dry thoroughly before replacing.

  • Check your coal supply for excessively wet or dry coal. Dampen dry coal before filling the hopper with it, and allow wet coal to dry a bit before use.

  • Open the doors of the unit and check the elbow closest to the stove for obstruction. Clear out anything blocking the air flow.

  • Contact Alaska Stove Company if you still have not fixed your problem.

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  • Photo Credit coal image by Vladislav Gajic from
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