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Old 01-04-2007, 10:19 AM   #1
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Anyone? Installed electric radiant floor heat?

I hope this isn't a duplicate... my last attempt didn't seem to go through. I am hoping to find someone who has installed electric radiant heat in their Airstream. I have the bamboo ordered to float in my 25' 1974 Tradewind and would like to consider radiant heat to go under it. I have reviewed old threads and looked at the websites for NuHeat, WarmlyYours, and a few others. Any advice would be appreciated! Thanks, Pam
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Old 01-04-2007, 10:59 AM   #2
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Originally Posted by pamelake
I hope this isn't a duplicate... my last attempt didn't seem to go through. I am hoping to find someone who has installed electric radiant heat in their Airstream. I have the bamboo ordered to float in my 25' 1974 Tradewind and would like to consider radiant heat to go under it. I have reviewed old threads and looked at the websites for NuHeat, WarmlyYours, and a few others. Any advice would be appreciated! Thanks, Pam
Pam.

DON'T DO IT....

The water system in your Airstream is very dependent on air circulating through the heat ducts, especially in very cold weather.

If it's freezing, the water lines will freeze, "unless" hot air goes through the ducts.

Using "radiant" heat sources will "not" warm the water lines.

Nice idea, but not practical, for a travel trailer, that "could" be exposed to freezing weather.

Andy
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Old 01-04-2007, 11:05 AM   #3
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Andy, Thanks for your reply. I am not considering the water filled systems.... but electric 'mats' that are made to go under floating floors.... The idea is to use this as a nice way to take the 'chill' off of the floors while plugged in. My planned use for the AS will be using it while plugged in..... so if the panels work, the idea works for me.... Am I making sense? Pam

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DON'T DO IT....

The water system in your Airstream is very dependent on air circulating through the heat ducts, especially in very cold weather.

If it's freezing, the water lines will freeze, "unless" hot air goes through the ducts.

Using "radiant" heat sources will "not" warm the water lines.

Nice idea, but not practical, for a travel trailer, that "could" be exposed to freezing weather.

Andy
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Old 01-04-2007, 11:39 AM   #4
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Originally Posted by pamelake
Andy, Thanks for your reply. I am not considering the water filled systems.... but electric 'mats' that are made to go under floating floors.... The idea is to use this as a nice way to take the 'chill' off of the floors while plugged in. My planned use for the AS will be using it while plugged in..... so if the panels work, the idea works for me.... Am I making sense? Pam
As long as you do not use the mats for primary heat, you will be fine, and your Airstream will be too.

Andy
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Old 01-04-2007, 12:00 PM   #5
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Andy, Have you seen it done? Pam
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Old 01-04-2007, 12:14 PM   #6
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Andy, Have you seen it done? Pam
Heard of it, but have never seen it.

Andy
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Old 01-04-2007, 12:20 PM   #7
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An excellent idea. I just installed it in a bath remodel for a customer under ceramic tile. Pretty much plug and play.
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Old 01-04-2007, 01:06 PM   #8
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I've done two residential bathrooms, both under ceramic tile. All I can say is WONDERFUL! I used 'Warmly Yours' for both. They have good stuff and you can order online.

I don't see why it wouldn't work just as well in an airstream as long as you pad it well to prevent abrasion of the wires.
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Old 01-07-2007, 02:02 AM   #9
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Works great, I use reptile undertank heaters, they draw hardly any elec.

They are paper thin
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Old 01-07-2007, 09:44 AM   #10
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I would be worried about abrasion of the cables sitting between two wood surfaces with the flexing of the vehicle.
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Old 01-07-2007, 10:28 AM   #11
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how much is hardly any ??

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Originally Posted by Lipets
Works great, I use reptile undertank heaters, they draw hardly any elec.

They are paper thin
just curious, how much is "hardly any" ??? KWH's ???? of course it doesn't matter when using nightly RV sites where electric is included in site rental. Just curious as most monthlys meter electric. ----pieman
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Old 01-07-2007, 01:33 PM   #12
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Abrasion not an issue just install it with a little thought.

See Here
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Old 01-07-2007, 03:05 PM   #13
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Quote:
Originally Posted by Lipets
Abrasion not an issue just install it with a little thought.

See Here
Umm... thats a lizard tank warmer....

And I can't just dismiss the abrasion issue either. Electric heat cable/mats are supposed to be installed in thinset or a lightweight concrete skim coat under tile.
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Old 01-15-2007, 01:59 PM   #14
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Pam:

Sounds like an interesting project! I might just have to look into it as well, and size my new solar stuff accordingly. I've seen, experienced, but never installed hot water radiant floors, and they are indeed luxurious. I too wonder about an electrical setup under a floating floor -- not much padding space there, and the stuff does move.

To be clear, I think what Andy was addressing in his first reply to this thread was not freezing in a water-based radiant system, but in the trailer's existing plumbing supply lines. They run adjacent to the forced-air heat duct in the floor, and rely on heat loss from those ducts to avoid freezing. I knew this when I installed a backup catalytic gas heater in my trailer, and was sure that I'd have the presence of mind to regulate things enough to keep the pipes warm. Well, wouldn't ya' know it, one night of too much wine and too little dilegence led to busted pipes. I'd think that going small on the radiant setup, perhaps just heating a few strategic footpaths, ought to be enough to ensure that you need the forced-air heat as much as your pipes do.

Best of luck, and please keep us posted on this and your other projects.

Ted Foureagles
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