How Long Does a Space Heater Last?

A space heater typically lasts 6 to 21 years, depending on usage, build quality, and environment. Regular care can extend its lifespan, while heavy wear may shorten it.

Average lifespan of a space heater

Most space heaters fall within the range of 6 to 21 years. Higher-quality materials and lighter use can help extend service life.

What affects how long a space heater lasts

Frequent use, moisture, dust, and mechanical strain all influence durability. Routine cleaning and proper handling reduce wear.

Signs a space heater needs replacing

Common signs include visible wear, reduced performance, cracks, corrosion, or repeated small failures.

How to make a space heater last longer

Keep it clean, avoid overloading, and address minor problems early to extend lifespan.

When replacement is necessary

Replacement is necessary when it no longer performs safely or efficiently.

Related:
How Long Does a Water Heater Last?
How Long Does a Couch Last?