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Old 02-05-2009, 09:28 PM   #1
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Thumbs up New Heating Unit Concept.

Espar Air Heater
click to start video..
While reading about some of the latest changes in RV heater designs, I came across this that, might offer some value for those who either wish to upgrade their unit or, replace the original heater with a much updated, efficiency unit.
Looking at it's small size, it looks very promising indeed~

http://www.espar.com/html/applications/rv.html

http://www.espar.com/html/products/technology_air.html
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Old 02-06-2009, 06:59 AM   #2
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Very interesting....

Mounted inside coach...possible smell. Would need to be installed where it could be inspected frequently for leaks

5500 btu?, for the large gasoline powered unit, although btu output is not directly mentioned in the ad.
Flash Back...VW.
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Old 02-06-2009, 07:48 AM   #3
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Lightbulb

I agree Robert, The smell is the single issue that I could not quite get around..The noise level (internal to the Airstream unit) is another question that comes to mind..answer?
Anytime you're dealing with gas or diesel exhaust fumes..you get negative vibes~!
My original thought was for:
Someone living in their unit full-time, off the grid possibly, where the need for additional heat source (that's cheaper than propane) could kick in when you have a need for additional heat.
A lot of questions, new design thoughts, need to be asked, I believe before this could be consider a prime source of heat.
I just don't think we can continue to enjoy the RV camping lifestyle without making major changes in the way we consume materials. It's time to start thinking outside the box..so to speak
Cost will determine whether it ever gets off the ground.
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Old 02-06-2009, 08:00 AM   #4
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It sounds like the burner exhaust is vented into the truck exhaust. Counting that and the output, doesn't it sound like this is built more for pickup campers? Or OTR truckers?
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Old 02-06-2009, 08:05 AM   #5
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It sounds like the burner exhaust is vented into the truck exhaust. Counting that and the output, doesn't it sound like this is built more for pickup campers? Or OTR truckers?
Yep. semi sleepers.
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Old 02-06-2009, 08:20 AM   #6
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53Flying Cloud, I agree we need to be looking for newer ideas for the systems in our Airstreams etc. One of the things I'm considering for the 55 Flying Cloud I'm working on is led lighting thought out to reduce the need for electric output. Heating and air conditioning are still items with a big "?" when it comes to efficiency. I keep allowing myself to have off the wall way out ideas in hopes of finding something more efficient. For example, making a bubble wrap "hat" that would fit over the top of our Bambi. This would be used when at location to reduce heat entering of being lost from the trailer. This might work for a smaller trailer. But it would be to cumbersome for larger trailers. Maybe we need to start a "think tank" thread for those of us who keep looking for another way.
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Old 02-06-2009, 08:23 AM   #7
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I have been looking at the new Atwood two stage furnaces. Don't need the full 30k BTU, great, similar to house furnaces, it can top off the temp at half the BTUs. If after some time it is still running, it kicks up to the full BTU.

Not as eff as the unit this thread is based on, but again, this is a direct fit replacement to the current Atwood furnaces, so few mods to make:

Hydro Flame Excalibur XT Series 2-Stage Furnace by Atwood

Odd that Airstream hasn't adopted these yet. The cost is within reason.
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Old 02-06-2009, 08:45 AM   #8
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We had a member who was visiting Jackson Center this week. He saw them building a narrow trailer for European export. They were installing periphery baseboard hot water heat in the unit. That is something new for Airstream. I think they were using one of those instant heat water heaters to power it. There were no fans on the finned individual radiators. He did not say but I would guess they must have used PEX plumbing.
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Old 02-06-2009, 08:58 AM   #9
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NorCal Bambi,
Excellent idea..
I'm definitely for creating a "think tank"..
One that would encompasses all aspects of materials/methods used in a RV trailer unit.
I will nominate you to head it up...
Silvertwinkie,
Yes, this unit address several of those main issues. Noise level, digital control, efficiency.
The one thing abt the Espar unit I wanted to touch upon is the apparent size..Fits in the palm of your hand? I believe I read that`! The other interesting thought was, venting the exhaust under the floor area, to heat the "sub-floor" water tank, waste water tanks with the heat from the exhaust pipe..There's several different concepts that could be explored for this purpose.
Just my scribbles on the wall...thought??
btw, Espar make a unit that heats water as well~ interesting news dwightdi~! Thanks
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Old 02-06-2009, 09:59 AM   #10
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I hope this one works and smells better than the one in my old VW bus!
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Old 02-06-2009, 10:04 AM   #11
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I hope this one works and smells better than the one in my old VW bus!
I reckon any heater made today would be better than that old unit..
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Old 02-06-2009, 10:26 AM   #12
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Quote:
Originally Posted by dwightdi View Post
We had a member who was visiting Jackson Center this week. He saw them building a narrow trailer for European export. They were installing periphery baseboard hot water heat in the unit. That is something new for Airstream. I think they were using one of those instant heat water heaters to power it. There were no fans on the finned individual radiators. He did not say but I would guess they must have used PEX plumbing.
SafariTim used something like that on his Ambassador. There's probably more about it on theVAP site.
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Old 02-06-2009, 10:30 AM   #13
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How about catalytic? Just curious. I know there are ventilation issues, but it would seem to pull less electrical powers than propane forced air.
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Old 02-06-2009, 10:41 AM   #14
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World’s first diesel powered airstream trailer?

Friends:

Back in 2006 I posed similar questions here on the forum and then built a diesel powered hydronic heating system in my renewed ARGOSY.

The system quietly and efficiently (and with no fumes either) provides hot water and heat for the entire cabin.

I also use a DIESEL powered cook top. Same story.

Check the 7 page posting here for all the details:

http://www.airforums.com/forums/f287...ler-23048.html

Sergei
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