Why does my gas furnace smell?

Every once in a while, your gas furnace may produce an unpleasant smell that you aren’t used to smelling in your home.

  • There are multiple regular causes for your gas furnace to smell, plus while some smells may signify a drastic problem, some smells do not give much cause for concern, plus can go away on their own.

Here are a few examples of smells that may be coming from your gas furnace, plus what you can do about them. If you smell sulfur or rotten eggs coming from your gas furnace, you may have a gas leak, natural gas on it’s own is smellless, however, companies use additives to alert people of its presence in their homes. If you smell sulfur or rotten eggs coming from your gas furnace, it is best to turn your gas furnace off, plus contact your Heating, Ventilation, plus A/C provider instantly. If you smell burning metal or oil coming from your gas furnace, you may have a mechanical problem. Over time, components of your gas furnace may wear down or break over time, plus will need to be replaced. If certain components don’t get replaced in time, they can grind against other components, plus possibly produce a burning metal smell. If you smell burning metal coming from your gas furnace, turn it off, plus contact your Heating, Ventilation, plus A/C provider instantly. The smell of burning dust is another common smell to experience coming from your gas furnace. During the summer time when you don’t use your gas furnace, dust can build up within your system, plus become ignited when you turn your gas furnace on. The smell of burning dust is common, plus should go away within a few minutes.

Home services