
Bought this heater to heat a basement. Long story short, I have a Honeywell heater of the same physical size, but it seems to put out more heat and perform better. I have a 14 x 20 room I wanted to heat up and figured if I left it on for a few hours the temperature would go from 60 to 68. After that time it only went up to 62. I understand things take into account many variables like room size, starting temperature, heater settings etc. but my overall impression of this heater is that it doesn't produce heat very well. In my opinion this is probably best for a very small space. In short, I wouldn't rate it well for efficiency.

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