Or one like it? What are your opinions, if so? We just moved and DS' room is the coldest in the house at night so we'd like to get a heater to put in there.
Econo-Heat 0603 e-heater
https://www.amazon.com/Econo-Heat-0603-E-Heater-White/dp/B005DKN20W/ref=lh_ni_t