Best small electric heaters

WTP-GC wrote:
When we had a 1995 Coleman 25' TT, we used the following heater...We use infared heaters in the house to reduce the need for the actual heating system, but they have a significant power draw. I would not be inclined to use it in an RV because I'd be afraid it would trip the breakers.

IR heaters don't use more power. The heater you use in the RV runs only at 1500 watts, and there aren't many space heaters of any type which use more. The same manufacturer makes an infrared one which is selectable 750/1500 W (Holmes HQH307-NU).