The best space heaters quickly warm up a cold space. We tested 23 heaters in large and small rooms, examining warmth, energy ...

Space Heater Ratings Let our ratings help you pick ... CR’s thorough testing takes into account speed of heating, safety, weight, noise, and more.

However, for safety reasons, you're limited in what adjustments you can make to the heater. You can adjust the fan speed, turn the heater off, and choose the precise angle of oscillation you want ...