Why does my space heater smell like it's burning?

Additionally, a space heater needs regular care and maintenance.

A burning smell from a space heater isn’t a good sign. It would be best if you troubleshoot your HVAC equipment to get to the bottom of the problem. Knowing some of the reasons your space heater smells like it’s burning will help you diagnose and repair your HVAC unit. Often, when you do not clean or change your space heater’s air filters, dirt and dust build-up and clog the heater. When heat passes over the clogged filter, it produces a burning smell. You can fix this issue by changing your air filters. When you place objects near your heating unit when the heat is on, they will produce a burning smell. There should be a suitable distance between your materials heater and things that can easily burn and the heating system. When your HVAC equipment produces an electrical burning smell, it might be an indication of an overheated blower motor. This might shut off your system. But if the system doesn’t shut down when the blower motor overheats, it means there is a severe problem with the HVAC equipment. Therefore, when your HVAC unit produces a burning smell, please turn it off immediately and call an HVAC contractor for help. If the heater has a burning rubber smell, you need to shut off the unit and find the cause of the smell. It could be an electrical failure on your space heater. Call an HVAC technician to fix this issue. Additionally, a space heater needs regular care and maintenance. It would be best always to inspect the outside compartment, including the bottom part, to find discoloration or any unit deformation. Check if the cords are in good condition. Clean the space heater’s removable filters annually. When you clean the filters, you should rinse them in clean water and air-dry them well before reinstalling them.

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