Space Heater

If you want just a simple electric heater and you have shore power, just look for one at any retail outlet or online. We have a couple of 1500 watt ones with small fans and tip over protection. They can both be run at once as long as they are on separate circuits on a 50 amp hookup. Just one can be run on a 30 amp in our rig. Remember: no extension cords on any electric heater! If you don’t have shore power, get the Mr. Heater Paul mentioned. They use propane so they add more moisture, but they work great.
 
We bought a Walmart level 1000/1500W space heater and it didn't last 1 season. Dad gave me one he says is probably 50 years old and it's still going strong.
If it fails, I'll look at garage sales for something in a metal box.
(Pic is not the model I have, but the kind of thing I'd look for)
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I prefer a ceramic heater for fan-directed heat or an oil-filled radiant heater for steady area heat. An RV interior is a high fire risk area, and either of those types is a bit safer than glowing-wire-element types.

All heaters designed to plug to a 15A outlet have the same max heat capacity. 1500W or 5120 btu. A fan heater directs the heat where you aim it and gets it there quicker but doesn't heat evenly. An oil-filled radiant heater heats an area evenly and silently but takes a bit longer to feel the initial heat.
 
I've never believed ceramic or oil filled heaters actually produce more heat. They slow down temperature changes but 1500 watts is 1500 watts. For me the best is one with a high air flow and where the fan increases and deceases speed slowly that doesn't wake you up at night. I have a couple Pelonis brand like this that have lasted for years.
 
I've never believed ceramic or oil filled heaters actually produce more heat.
They do not and I am not familiar with the claim that they do. But what they do have is a better safety record. I consider the oil filled to be the safest with ceramic somewhat more convenient because of the fan that most have. An oil filled heater will not start a fire, even if something flammable should come in contact with it. Any heater used should have a tip-over switch built in.
 
I've never believed ceramic or oil filled heaters actually produce more heat. They slow down temperature changes but 1500 watts is 1500 watts. For me the best is one with a high air flow and where the fan increases and deceases speed slowly that doesn't wake you up at night. I have a couple Pelonis brand like this that have lasted for years.

I have often read how this or that type are "More efficient"

All electric heaters are 100% efficient. ALL. The reason I say that is any losses are expressed as . . . HEAT. So most space heaters are 1500 watts and produce 5,119 BTU per hour if running constantly.
 
I use a 1500 watt one that is a fake fireplace, it gives off a nice ambient light at night
 
Either install a dedicated, high quality receptacle on its own circuit breaker, or get a space heater that has a low power setting (700 to 900 watts) The cheap receptacles in RV's will get hot and burn up eventually on a full 1500 watt load.

Charles
Best advice yet. We run ours on 900 watts all the time on the 20 amp kitchen circuit. I used to always tell people "If you have any borderline wiring, a space heater is the fastest way to find it"
 
The cheap receptacles in RV's will get hot and burn up eventually on a full 1500 watt load.
Roger that. I ran the old heater on 1500W setting and the receptacle and plug were warm after just a couple hours. Been running on the 1000W setting ever since.
Interestingly, the Walmart plastic 1500W heater did not heat up the receptacle the way the vintage 1500W heater did.
 
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THat is another thing.. Most modern RVs the outlets may melt at 1500 watts.. This is due to the outlet (Quick box type) also any tarnish on the plug adds to the heat at the plug.
 
I have an older ceramic heater that actually turn completely off when it reaches the set point. The fan continues to run for about 30 seconds longer to completely cool the element.
I put it on the table and it does a petty good job making even heat.
At first I had it floor and it very seldom turned off. The air on the floor was a lot cooler and the air on the ceiling was HOT!
Hot air rises.
 

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