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Read our privacy policyIt's likely you have the furnace set to the wrong fuel type. Depending on whether you are using Natural Gas or Propane, the furnace needs to be converted by a professional to do so. This burning and sooting you are experiencing can produce carbon monoxide. The best move is to get in contact with a local professional as the sooner this is resolved, the better off you are.
If you have any further questions, please call us and we will be happy to assist you.