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Fuel Oil furnace blowing fuel oil smell when it starts. Had it cleaned but still doing it. Is the smell or maybe fumes in the house dangerous Are we going to die or explode?
MizChristine
when an oil burner ignites, it pressurizes the combustion chamber for a few seconds. the unburned oil, smoke can force its way into the surrounding fresh air chamber (heat exchanger) that then circulates into the house. A crack or hole in the heat exhanger can be checked by technician. failure of heat exchanger usually requires replacement of unit. telltale signs of heat exchanger failure are dark dirty walls around heating vents. the soot is dirty and smells, but not as dangerous as carbon monoxide. have a competent service tech. check for leakage.
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∙ 16y ago
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