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 > 1500 watt heater. Enough?

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TNGW1500SE

Oliver Springs TN

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Posted: 03/12/18 08:46pm Link  |  Quote  |  Print  |  Notify Moderator

I'm thinking of installing a 1500 watt, 120 volt, electric, wall mount heater in my 30 foot, 30 amp, class A. I know this thing isn't going to keep us warm when it's 20 degrees out but do you think it would be enough on those chilly nights when it gets down to 45? I have a place to mount it that's deep enough and out of the way. I'd "share" the A/C 20 amp breaker between the A/C and this heater. Only one would ever be on at a time and I'd run 12/2, with ground, hard wired, from the breaker to the heater. We have a little tabletop heater now that does "ok" but we have to store it away when not in use and when it's "in use" it's on the table. Looks like this one would draw about 12.5 amps and heat with 5000 or so BTU.
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goducks10

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Posted: 03/12/18 09:00pm Link  |  Quote  |  Print  |  Notify Moderator

Most all small space heaters are about like that. In the right location it should do okay. 45* isn't that low. We've been down to 29* and our space heater did fine.
If it were me I'd wire in a separate outlet for it. Hard wire the heater to it and put a male receptacle in your docking area or wherever is convenient.
Then run a separate 120V extension cord to the power pole.

ScottG

Bothell Wa.

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Posted: 03/12/18 09:11pm Link  |  Quote  |  Print  |  Notify Moderator

Yes, I think it will do fine. In the event that you need more, just run the propane furnace until it's up to temp and them the electric should do a pretty good job keeping it warm.


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time2roll

Southern California

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Posted: 03/12/18 09:14pm Link  |  Quote  |  Print  |  Notify Moderator

Below 40 it will probably run near continuous. May still need the furnace but will reduce run time.


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jamesroadking

Lake City, Fl.

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Posted: 03/12/18 09:19pm Link  |  Quote  |  Print  |  Notify Moderator

We found that the LP gas furnaces really use a lot of gas when running in cold weather. During cool and cold weather we carry a 1500 watt Walmart electric heaters that has a built in thermostat. That way it shuts itself down for a couple of minutes if the room temperature goes above the set point temperature It works great in our 30 foot Work and Play toy hauling trailer with 30 amp service.

lawrosa

Horry County

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Posted: 03/12/18 10:53pm Link  |  Quote  |  Print  |  Notify Moderator

The off the wall heaters plug and mount right to the wall outlet.

I can fit it to a few outlets in the RV like the one under the dinnette that will warm the toes.

May run a dedicated outlet though.

Like my portable though I wanted 3 wattage setting and an on/off t stat..

My current portable is like a milkhouse style.

400 watt
900 watt
1500 watt
Fan only
And t stat that goes on /off.

But a project for another day...

https://www.homedepot.com/p/Seabreeze-Of........lectric-Portable-Heater-SF12ST/202034583


Mike L ... N.J.

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Isaac-1

SW Louisiana

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Posted: 03/12/18 11:51pm Link  |  Quote  |  Print  |  Notify Moderator

I think you will be surprised how much heat it puts out in a confined space like an RV. I had a small 1500 watt cube heater in my motorhome last winter to keep things above freezing, and even when the temperature dropped below freezing outside, the cube heater set on low kept the interior temperatures in the upper 50's

westend

Shorewood, MN

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Posted: 03/13/18 12:13am Link  |  Quote  |  Print  |  Notify Moderator

After I finished insulating and paneling my 22' trailer, a 1500W electric heater raised inside temp from the 25f ambient to 75f in 30 minutes.


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valhalla360

No paticular place.

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Posted: 03/13/18 02:08am Link  |  Quote  |  Print  |  Notify Moderator

Yep, in moderately cool conditions, you may not need to turn on the furnace at all. Of course we like it cold when we sleep, so it works great.

You can run the electric and propane furnace in combination. Assuming the electricity is included in the site already, it saves you a little on fuel.


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jerseyjim

New Jersey

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Posted: 03/13/18 03:15am Link  |  Quote  |  Print  |  Notify Moderator

When we use (need) a space heater, we simply plug it into an outlet...in the kitchen area where we have a 20 AMP GFI. Never a problem. On the very rare occasion where the temp can get down to F20 or even below, we use both the propane and the space heater....once, at 14 degrees, open the bottom kitchen cabinets and aim the space heater there. Hopefully, keeps the pipes from freezing.

Want to "save" money by not buying propane? Not good. If no shore power, make sure your batteries are good, they should power the propane heater all nite. Have a generator? Start it up and you can run both the space and propane heater.

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