Those birds will keep coming back so you have to make sure to add some protection to your chimney to prevent them from building nests
While it’s true that most homeowners prefer gas furnaces over oil furnaces, oil furnaces are actually much safer than gas furnaces. Still, even with a good working oil furnace, you might encounter some issues if you are not keeping up with regular annual maintenance. If you ever encounter smoke coming from your oil furnace, make sure to shut it off immediately! You don’t want to wait around to see what might happen. Not to mention, you can’t get your oil furnace worked on until it cools down. If you are in the winter and this happens, make sure to pull our your backup portable heaters and get a fire going in the fireplace to help keep you warm while you wait for your oil furnace to be repaired. Oftentimes, the complication isn’t very serious when you have smoke coming from your oil furnace. It could be a matter of simply swapping out the nozzle and filter. If your nozzle and filter are old, this can cause your system to smoke due to overheating issues. Also, the issue could be coming from your chimney. If your chimney is obstructed, it’s important to clear anything out. A common issue is dealing with bird nests. Those birds will keep coming back so you have to make sure to add some protection to your chimney to prevent them from building nests. There are materials you can acquire to install on your chimney that make it impossible for birds to get inside. Also, you might have soot buildup, so that needs to be taken care of immediately. When all else fails, be sure to call a professional to take care of your situation with your oil furnace.