Mysterious black streaks around furnace supply vents

Every once and a while I will have a customer ask me a question, like why is my air filter for my furnace getting so black and dirty so quickly after replacing it, this is usually followed up with another question like, do you know why I have these mysterious black streaks coming out of my supply vents, or maybe they point out black spots around the floor vents that shows up a lot more on white carpet. Well after years of hearing these same questions over and over again, I am very pleased to give you what I think maybe the answer to this mysterious question, please can I have a drum roll? If this is your same question and you have these symptoms in your home, I would be willing to bet you or someone in your home burns scented candles, I found that just about everyone of the customers that asked me about these mysterious black streaks in their homes, burned scented candles. So there you go, if this is you and you have these mysterious black streaks, give this a try. Clean up the black streaks or paint over them and clean your carpet, put in a fresh clean air filter, and the hardest part will be to give up your scented candles for a short time. If the mysterious black streaks don’t return you have your answer, if you still are getting the black streaks my advice to you would be have a licensed heating company come out and inspect your furnace for safety reasons.

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