Space heaters aren’t automatically “bad.” They’re often a practical way to warm a cold room, take pressure off an older system, or get through a repair. The reason insurers (and fire departments) care is simple: space heaters are involved in a meaningful share of winter home fires , and the losses tend to be fast-moving and expensive. A helpful way to think about this isn’t fear—it’s readiness. Space heater safety is really about two outcomes: Reducing the chance of a preventable fire, and Making sure your home looks “insurable” during underwriting or renewal (especially if a carrier asks about supplemental heat). Below is a plain-English checklist for safe use, common reasons carriers flag heaters, and what to do if you rely on them regularly. If you want the bigger picture first—what homeowners insurance is designed to cover (and what it doesn’t)—start here: Home insurance explained . Quick answer: are space heaters safe? They can be— if you use the right type, on the right power source, with the right clearance , and you don’t treat them like a “set it and forget it” solution. Most space heater losses happen because of one of four patterns: Heater too close to something that burns (bedding, curtains, furniture) Unstable placement (tipped over) Electrical overload (extension cords, power strips, old outlets) Unattended use (overnight or while away) The “underwriting” angle: why insurers ask about space heaters Carriers aren’t trying to judge your lifestyle. They’re trying to understand how your home is heated and whether there’s an elevated fire risk.