We are using this heater in our finished basement, which always stays colder than the rest of the house. The space is large - about 1300 square feet - but we have it divided into work areas for my kids. This unit efficiently heats one side of the basement. It's also sturdy enough to withstand the dog doing zoomies when he has an excess of energy or when he wants to pretend he's not chasing the cats. Overall, a good choice for heating a significant amount of space.
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