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Old 09-06-2009
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Default 12volt tent heater

I've seen non carbon dioxide producing gas heaters but does anyone know of 12volt heaters?
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Old 09-06-2009
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http://cgi.ebay.com.au/12-VOLT-HEATE...3%3A1|294%3A50
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Old 09-06-2009
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There are some fundamental problems with using 12V to heat anything - you need alot of amps. There is the Koolatron 12 Volt Car Heater, but it seems to be designed to clear the fogging of rear windows and not necessarily heating whole tents. There is also a small 12V ceramic heater (see link below) , but it needs a vehicle alternator to produce 40amps to function as a heater:

http://www.safehomeproducts.com/shp2...2/377/377.aspx

You might be able to run this ceramic heater off of a deep cycle gel battery but at 40 amp/hrs its not going to last long (maybe 2.5 hrs out of say a 150amp battery, as you don't want to discharge it too deeply).

Tents will not retain heat well (no R value to speak of), so the best heat generator in a tent is your own body (if enclosed in a good sleeping bag).
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Old 09-06-2009
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Quote:
Originally Posted by glend View Post
There are some fundamental problems with using 12V to heat anything - you need alot of amps. There is the Koolatron 12 Volt Car Heater, but it seems to be designed to clear the fogging of rear windows and not necessarily heating whole tents. There is also a small 12V ceramic heater (see link below) , but it needs a vehicle alternator to produce 40amps to function as a heater:

http://www.safehomeproducts.com/shp2...2/377/377.aspx

You might be able to run this ceramic heater off of a deep cycle gel battery but at 40 amp/hrs its not going to last long (maybe 2.5 hrs out of say a 150amp battery, as you don't want to discharge it too deeply).

Tents will not retain heat well (no R value to speak of), so the best heat generator in a tent is your own body (if enclosed in a good sleeping bag).
Yes i've been looking at the ones on ebay, as the supply of batteries is not a problem. I had five on the weekend to run Sam's dvd player and was only thinking to run the heater when he is sitting in the tent to take the edge of the cold till he can get warm in his sleeping bag.
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Old 09-06-2009
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Quote:
Originally Posted by Wolfe View Post
........................take the edge of the cold till he can get warm in his sleeping bag.
Cheap , nasty and effective ......

Boil the billy and fill up a hot water bottle or two to put in the sleeping bag.
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Old 10-06-2009
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Quote:
Originally Posted by Wolfe View Post
Yes i've been looking at the ones on ebay, as the supply of batteries is not a problem. I had five on the weekend to run Sam's dvd player and was only thinking to run the heater when he is sitting in the tent to take the edge of the cold till he can get warm in his sleeping bag.
Fatten him up, the boy's got no meat on him!
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Old 10-06-2009
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12 volt electric blanket, draws 20 - 45 watts.
http://www.greatoutdoorsdirect.com.a...c-Blanket.html
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Old 13-06-2009
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http://www.expeditionportal.com/foru...ad.php?t=25797

http://www.expeditionportal.com/foru...ad.php?t=24633
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Old 15-06-2009
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Quote:
Originally Posted by Wolfe View Post
I've seen non carbon dioxide producing gas heaters but does anyone know of 12volt heaters?
Im assuming you mean the mini gas heaters like the coleman or blackwolf?
From what I was told the problem with these is the oxygen they burn which could leave you in trouble if your in a small sealed space (tent or van).
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Old 16-06-2009
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The Webasto is the untimate in safe heating of confined areas like inside a caravan or camper trailer, tent etc. However you need to first get your head around the $2,000 price tag. I suppose if you are camping in extreme cold it would be money worth spend as there is nothing like being cold & not being able to warm up.

How to install a Wesbasto can be seen on the Around Oz website.

There is additional info on the Webasto on Collyn Rivers website along with a warning on the dangers of Carbon Monoxide poisioning.

Sitro will soon release the Portable Ducted Camping Heater PCH500 page 21 of their cattledog which should be a big hit. At the moment it is being passed for Australian Gas Standards. The heater is placed outside while a gas heater heats a sealed box. The warm air inside the box is blown by a fan into the tent area via collapsible ducting. It all fits into a compact unit for storage. If I remember rrightly I think the price will be around the $200 mark.

Don't forget a couple of hot water bottles go a long way in your bed when caamping as well as dressing for the cold

Rob
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