Battery power for an Atwood Furnace - Page 3 - Fiberglass RV

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Old 12-02-2009, 11:18 PM   #29
Mac B's Avatar
Trailer: 2000 14 ft Widebody Burro / 1998 Land Rover Discovery
Posts: 70
these are all great ideas for heating... I have studies a bit about diesel heating, as I would love to build a diesel expedition vehicle with all diesel appliances... but cost for cost, it's hard to beat what I have now.

I will look at the propane 'see the flame' heater... that sounds awesome, but I think that for me, the solution is to have an extra battery, and maybe set them up as duel, if they are both the same age and power, etc. and have about a 1,000 watt generator. After all, Alaska will be an adventure, but I seriously doubt if I will go too far from the beaten path.

I will be looking for an old gravity style furnace though. Very interesting!!

While you're in Arizona, don't miss Bisbee & Douglas. My mother was born and raised in that area. Also, the area around Greer brings back memories. I haven't been back since I was a kid. One of my goals is to return!!!

Well okay, here are two more ideas, from opposite ends of the spectrum.

1) Seek out an older, gravity style RV furnace. These came in many of the 1970s campers (eggs, truck campers, pop-ups, etc.), and they use NO electrical power at all. No power draw, no fan noise. They are vented, so no condensation. And they don't suck up your oxygen. I have no idea why these are no longer made, as they work well. (I had a slightly larger one in a cabin.) Probable cost: Less than $200

Attachment 25320

2) A brand-new, shiny, I-can-see-the-cozy-flame, Sig P9000 propane marine cabin heater. Yes, it's $800, but heck, you were about to buy a special battery bank, fancy charger, and a generator! This has an *optional* fan. So you can run it with no fan (i.e. no power). Also, it's vented, so no condensation/oxygen worries.

Now, couple of factors:
1) It has a chimney. However it's flexible and there are ways to get around leakage (they are used on boats, normally). I believe it is possible to run it out a side wall as long as it still goes up (or, the roof, which is typical on a boat).

2) This would protrude from the wall a bit (I think about 9").

3) These are relatively new, so I have not used one. However, I have used a Sigmar diesel heater (on a boat), and the workmanship was quite good. It also had the cozy flame factor (not to be underestimated, in my opinion), and an optional (and virtually never used) fan.

Attachment 25319


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Old 12-03-2009, 12:00 AM   #30
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Trailer: 2000 14 ft Widebody Burro / 1998 Land Rover Discovery
Posts: 70
this really is incredible!! I wonder what the cost is... looks like it's something really new.
thanks for the link!

Another one to add to the pile...

This one claims low power draw, safe venting, high efficiency, and it has a thermostat.

"THE PLATINUM CAT utilizes a power vent system which exhausts all combustion by-products to the outside of the living area, which automatically replace oxygen used for combustion. The vent system prevents buildup of unhealthy indoor air pollution and eliminates any chance of accidental asphyxiation"

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