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Open Roads Forum  >  Full-time RVing

 > Cold camping - ever re-use your furnace exhaust heat?

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PhL0aTeR

Colorado Springs, CO

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Posted: 10/25/07 12:01am Link  |  Print  |  Notify Moderator

i was actually just hatching the idea as a way to keep the underbelly warm to prevent any ill effects from pipes freezing, etc

the idea has been put to rest..... lol


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mckee

Maple Ridge, BC

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Posted: 10/25/07 01:24am Link  |  Print  |  Notify Moderator

Polishnurse wrote:

You can always turn the stove on, when the flame goes out, you'll know that the CO leavel is getting a little high, or try a canary. Serious, heat travels up, if you blow that under the rig, that exhust will try to find every little opening to work it's way up to your living space. Don't even go there. JM2Cents


CO is flammable...


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sflabrkr

florida

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Posted: 10/25/07 07:34pm Link  |  Print  |  Notify Moderator

I actually think it's a great idea. except instead of placing the exhaust under your coach get or make a heat exchanger and use that air instead. We use this system in small airplanes

PhL0aTeR

Colorado Springs, CO

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Posted: 10/25/07 07:37pm Link  |  Print  |  Notify Moderator

sflabrkr wrote:

I actually think it's a great idea. except instead of placing the exhaust under your coach get or make a heat exchanger and use that air instead. We use this system in small airplanes


i really wasnt looking for something that complicated..... just a simple hose hookup to kick under my skirts..... lol

hemlox

Western Illinois

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Posted: 10/25/07 07:44pm Link  |  Print  |  Notify Moderator

david_42 wrote:

I suspect anyone who has tried this will not be posting because they are dead of carbon monoxide poisoning.

To do it safely would require an air-to-air heat exchanger and they are not cheap.


LoL I'll ditto that


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smoothetop

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Posted: 11/10/07 03:11am Link  |  Print  |  Notify Moderator

Many a great invention has sprung from an idle question. There is a good idea here somewhere but in addition to Carbon Monoxide being such a silent and dangerous killer also consider the overheating/shut off of heater that might occur due to reduced airflow and increased back pressure. A heat exchanger with circulating fluid could work but may not be practical. I am wondering, if there is any solid state device that might convert heat to electricity?

camperpaul

Illinois Beach State Park

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Posted: 11/10/07 08:35am Link  |  Print  |  Notify Moderator

See this article.


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Dirtman

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Posted: 11/12/07 01:32am Link  |  Print  |  Notify Moderator

We had one of the early 'high effeciency' furnaces in our home that had a heat exchanger on the exhaust. The mfgr did everything under the sun in recalls, including stainless steel exhaust pipe venting. Had a steady drip of water coming from it all the time, very acidic, and the squirrel cage rusted out in only a couple years from the moisture content given off by the heat exchanger. The unit DID recapture a lot of the 'wasted' heat going up the pipe, but in the process, ruined the furnace because too much of it was made of tin, and not stainless, and the darn thing just devoured itself with rust shortly after the warranty expired. Sounded good on paper though.


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dbond21201

Jackson, TN

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Posted: 11/12/07 02:16pm Link  |  Print  |  Notify Moderator

I bet you wouldn't do it but once : (


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