Merlin wrote:

I have it in my bedroom and shut the bedroom door at
night and only heat THAT room....and turn the main
forced air furnace WAY down

I don't even have any heat other than the two radiators now. With one
in the common area and one in the bedroom, I have a nice warm house. I
turn the bedroom one on about an hour before bedtime.

But how small is your home that two of these heaters
will heat the entire place?