Forget shivering through the cold! After testing dozens of space heaters, we've found the top eight that deliver serious warmth without breaking the bank or causing a fire hazard.
Ever wondered why some space heaters are massive while others are tiny, yet they all seem to deliver roughly the same amount of heat? It turns out that in the US and Canada, most space heaters max out at 1,500 watts, the safe limit for a standard 15-amp circuit. And since electric heaters are nearly 100% efficient at converting electricity into heat, their size isn't the main factor. What really sets them apart is how quickly and effectively they distribute that heat where you want it.
Space heaters generally work by running electricity through a resistant material, like a ceramic element or coil, to generate heat. Most then use a fan to push this warm air out – these are forced-air convection heaters, great for quickly warming up the air around you. On the other hand, oil-filled radiators heat oil internally, emitting a steadier, quieter warmth that lingers longer. Radiant heaters, like infrared models, work more like the sun, warming objects and people directly rather than the air, making them energy-efficient for personal warmth.
Safety is paramount when it comes to space heaters. While modern units have advanced safety features like tip-over protection and automatic shutoffs, caution is still key. Always plug heaters directly into an outlet, never use extension cords, keep them at least three feet from flammable materials, and never leave them unattended, especially while sleeping. Following these guidelines, based on recommendations from the US Fire Administration and the Consumer Product Safety Commission, is crucial to prevent accidents.
Our testing focused on safety, noise levels, and heating performance. We subjected heaters to rigorous tests, including tip-over simulations and overheat checks, and measured noise levels and power consumption. For those seeking the best all-around performer, the Vornado AVH10 stands out with its quiet operation and effective "vortex action" for widespread warmth. Other top picks include the cozy Lasko Ellipse Ceramic Tabletop Heater for quick personal heat, and the versatile Shark TurboBlade Cool + Heat for both warming and cooling needs.