portable heaters - Ford Transit USA Forum
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post #1 of 51 (permalink) Old 05-05-2017, 09:34:PM Thread Starter
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portable heaters

Anyone have any I can use off a standard car battery that draws min juice, yet heats up the rig?

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post #2 of 51 (permalink) Old 05-05-2017, 09:41:PM
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Orton's electric blanket, according to him.
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post #3 of 51 (permalink) Old 05-05-2017, 10:06:PM
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Quote:
Originally Posted by Michael Ophus View Post
Orton's electric blanket, according to him.
Not an electric blanket. It is a 12 volt DC heating pad under the sleeping bag. Let van interior get cold at night which means the refrigerator runs less. The power saved by the refrigerator is then used to power the heating pad.

http://electrowarmth.com/product-cat...-bunk-warmers/

Problem is getting up in the morning in a cold van. Solved that with Ford remote start and a vehicle powered inverter. Set Transit dash controls to give heat and use the vehicle powered inverter to power a 120 volt AC electric baseboard heater in back of van. Heat van before getting out of bed.

Second problem is keeping my head warm because it is out of the sleeping bag. A balaclava solves that problem.

Will also experiment with insulated curtains surrounding the bed platform. Expect to retain some of the heating pad and body heat in a small cubicle. Should be interesting to see if that will work.
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post #4 of 51 (permalink) Old 05-05-2017, 11:16:PM
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portable heaters

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Originally Posted by orton View Post
Not an electric blanket. It is a 12 volt DC heating pad under the sleeping bag. Let van interior get cold at night which means the refrigerator runs less. The power saved by the refrigerator is then used to power the heating pad.



snipped

aha a wealth of info in this post and thread.
and optimal sleeping temp is cooler anyways.

Orton, BASEBOARD HEATER?!
(can u plse describe that)?

hahaha Michael was gonna answer Orton heating pad. ya beat me to it

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post #5 of 51 (permalink) Old 05-06-2017, 04:33:AM
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Anyone have any I can use off a standard car battery that draws min juice, yet heats up the rig?
there is no right answer to this question, or any answer. a single car battery by itself without the engine running will not heat the whole van, or even part of it. electric heat consumes vast amounts of electricity and the battery will be dead in an hour or less! buy a cheap propane heater like many here have, or an expensive propane heater/furnace like a few here have. of course there is the european option: get a wood stove, they look so cool and shipping pallets are easy to find and burn.

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post #6 of 51 (permalink) Old 05-06-2017, 10:00:AM
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The heater is a Broan 1500 watt Model 124B with a remote 86W thermostat. The heater has two 750 watt heating elements. One is disconnected to make it a 750 watt heater.

Powered by either shore power or "shore power" from the 1000 watt vehicle powered inverter. A couple of selector switches are use to direct the power to the heater. Heater only used with shore power or with the engine running.
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post #7 of 51 (permalink) Old 05-07-2017, 07:11:PM
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thanks orton for your sharing of knowledge.
it's bad when you have to have a dictionary handy cuz your knowledge lacking. But now I know about shore power and "shore" power


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post #8 of 51 (permalink) Old 05-08-2017, 04:50:AM
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HAH! The remote starter under the covers trick! Done that.... Not bringing the porta potty in bed though. ;-)

Once again the math doesn't lie.

A masterfully insulated van may stay warm(ish) with a 750W heater, depending on how cold it gets outside.

750W/12V=63Ah....... Want to do that for 6 hours is 378Ah, want to not murder your batteries and keep them above 50% that's 756Ah. So, allowing for some loss in the inverter 4- 200Ah deep cycle batteries should do the trick.

Someone mentioned propane. Unvented propane in a small space is an invitation for CO (Carbon monoxide). Read up on that, it KILLS, very easily.


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post #9 of 51 (permalink) Old 05-08-2017, 05:48:AM
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Someone mentioned propane. Unvented propane in a small space is an invitation for CO (Carbon monoxide). Read up on that, it KILLS, very easily.
that is the difference between lowcost propane heat, (unvented) and the much more expensive propane heater or furnace. (vented!) heat done right will cost you a lot of money no matter what your choice of fuel is!
so is you do not have much money put more clothes on and buy a good sleeping bag.
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post #10 of 51 (permalink) Old 05-08-2017, 09:30:AM
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A masterfully insulated van may stay warm(ish) with a 750W heater, depending on how cold it gets outside.

750W/12V=63Ah....... Want to do that for 6 hours is 378Ah, want to not murder your batteries and keep them above 50% that's 756Ah. So, allowing for some loss in the inverter 4- 200Ah deep cycle batteries should do the trick.
The electric heater is only used with the engine running. I have a 1000 watt inverter powered by the vehicle. Can use the remote start to provide the electrical power in the morning before getting out of bed.

The other trick is to reduce the volume of air that needs to be heated. Why heat the whole van if you sleep in just part of the volume? I will experiment with two insulated curtains to attempt to retain some of the heating pad and body heat in a small cubicle. One curtain is located at the back (across van platform) to block off the area from top of the sleeping platform to the ceiling and from side to side. The second insulated curtain can be placed in multiple locations depending on the need. Smallest volume will be with one person sleeping in cold weather to create a cubicle 27" wide. Next location for two people is 54" wide. Another is just aft of the sliding door which cuts the interior volume in half. The location just aft of the slider door is the normal position for the curtain for privacy in warm weather. It will be interesting if this plan has much value. We will see.

My yellow Quik chocolate bottle is much easier to keep in the heated space than the portapotti.

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