Yes, it is possible. An electrical fire can break out if the compressor has inadequate ventilation. When it overheats but doesn't have a proper thermal cutout, this can cause the motor to short-circuit and catch fire. This risk is exacerbated if flammable materials, like dust and fallen leaves, are clogging the unit. The compressor overheating won't start a fire by itself, but poor maintenance and installation can increase the risk once it hits its breaking point and short-circuits.

Beyond having an inspection, it’s important to do chimney maintenance at least annually to be certain the chimney is safe to use. Cleaning the flue of any built-up particles, creosote, and soot reduces the risk of fire. Fortunately, the cost of hiring a pro to do a chimney inspection often includes a chimney cleaning, so you may not have an extra expense for maintenance.

An outlet can start a fire if it has blown a fuse, or is sparking, overheating, or smells burnt. Prevent electrical fires by unplugging the device connected to the outlet and hiring an electrician to determine and fix the outlet’s issue. If the outlet stays hot or isn't working, you should fix it.

Yes, an electrical fire can start even if nothing is plugged into an outlet. While a correctly functioning outlet poses no risk, a fire can be caused by faulty wiring, damaged outlet components, an overloaded circuit, or other electrical problems hidden behind the walls. If you suspect a fault, immediately turn off the circuit breaker and contact a professional electrician to diagnose and repair the issue.