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Old 11-18-2014, 10:08 PM   #1
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Join Date: Jul 2012
Location: Nashville, TN
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Down road space heater

I've got a question regarding using a space heater strictly while going the road. I've got a 160 amp alt and the space heater pulls 1400 watts per digital readout on my power bright 2300 inverter. My 2 house batteries are dura last deep cycle marine 12 volts that have 105 ah a peice. I ran the heater no problems but cut it off when I thought I could be damaging my alternator. I'm currently en route to Baton Rouge from nashville and mr buddy is doing ok job. I know not to run without motor running so just wondering when me and the guys are going down road. Furnace is coughing black soot on the exhaust and I have not found the problem yet. (Hence me buddy/ electric heater) thx in advance.

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Old 11-19-2014, 12:19 AM   #2
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I remember one couple wrote in that they would hang a blanket just behind the front seats to keep the warm air in the front. You might see if this is possible and would help in your rig.

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Old 11-19-2014, 06:35 AM   #3
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My concern with space heaters is the outlets in a motor home use a method of connection that tends to overheat when you plug in a space heater... I have other concerns in your case but basically I found it neessary to install some improved outlets in my House. some others have reported issues as well.. I really do not like the aroma of overheated wires.
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Old 11-19-2014, 07:03 AM   #4
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M&C +1to the blanket. We use 2 blanket with a rope from side to side. That creates a slit in the middle for the DW to retrieve cold drinks and snacks as we drive down the road.
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Old 11-20-2014, 04:38 AM   #5
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Heater Outlet

We don't use it while on the road, but as to outlets.... I use a 12 gauge extension cord plugged into the microwave outlet. That puts the heater on its own circuit and breaker.
Chuck in Houston
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Old 11-20-2014, 05:46 AM   #6
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My solution is to stay as far away from cold as possible. But it still caught up to us here in Foley, AL. I couldn't figure out why my furnace wasn't working. Then I remembered I had turned off the propane almost 2yrs. ago since we don't use the stuff anymore, and hadn't been anywhere it was cold. We leave next week for south Florida.
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Old 11-20-2014, 04:33 PM   #7
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Originally Posted by Calliedo02 View Post
We don't use it while on the road, but as to outlets.... I use a 12 gauge extension cord plugged into the microwave outlet. That puts the heater on its own circuit and breaker.
That is not always for sure the case. In my case it is but in other coaches might not be. My microwave is plugged into one leg of my iverter output by itself. ( as per the original wiring digram) The 2500 watt inverter in my coach has two separate 120 volt inputs and two outputs. On a 2000 watt freedom inverter it only has one 120 volt input and two outputs so they might have the microwave on one breaker with everything else.
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Old 11-22-2014, 05:31 AM   #8
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If your furnace is spitting black its because its dirty and the air/fuel mixture is off.

As far as heating your rig going down the road, your dash heat should be more than adequate, just crack open a window or ceiling vent in the rear to draw the warmth through the rig as you go down the road.

Our dash heat/air will cook or freeze you out so we typically don't use it other than minimally to keep us comfortable.
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Old 11-22-2014, 07:55 PM   #9
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You probably aren't hurting your alternator at all. If the inverter isn't at full watts there should be no issue with using your heater.
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Old 11-23-2014, 12:34 PM   #10
"Formerly Diplomat Don"
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Here are some thoughts....we have used the cab divider in hot weather to keep the front of the coach cooler while driving, but have never hit cold enough weather out west where our dash heat wasn't sufficient. For our divider, we bought a spring loaded shower rod and hung a clear plastic shower curtain. You could still see to the rear and it has a split in the center.

If you're trying to heat more of the coach than just the cab area, I could see the dash heat would probably not do the trick in cold weather.

I'm not a fan of running such a high wattage unit as a space heater while driving. To some degree, it will affect your mileage because the alternator will be working overtime. It will also prematurely wear out your alternator if you do it frequently.

Lastly, I would NEVER run a Buddy Heat while driving unless you have good circulation of fresh air which kind of defeats the purchase. Even though the Buddy Heat has sensors, any failure could start giving you headaches or put you to sleep while driving.

Don & Mary
2014 Newmar Dutch Star - All Electric - 450 ISL
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