On a recent home inspection near Rochester MN, I came across what appeared to be a blocked chimney flue. Both the furnace and water heater were functioning properly with nice blue flames. I was however getting back draft Carbon Monoxide exhaust from both appliances. Carbon Monoxide does not smell or taste and can lead to death if occupants are over exposed. I recommended to the homeowner that they immediately get a qualified Plumbing & Heating contractor to resolve the condition. In addition, it was recommended that Carbon Monoxide detectors be installed on all levels of the home.
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