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RV-Dreams.com Home -> RV-Dreams Community Forum -> RV Maintenance and Technical Tips -> Furnace Air Filter Question
Post Info TOPIC: Furnace Air Filter Question
RonC


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Furnace Air Filter Question
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Always had an air filter on our S&B Heaters and AC units.  My 5er has a return air grate in the back of the pantry which is where the furnace draws it's "heating air" (the air for combustion is drawn from outside the rig).  This recirculation of air serves the purpose of heating the basement also.  There is no filter in this setup.  It would be pretty easy to install one, but I'm curious what others do.  Anyone use a filter?  Seems to me that eventually the heat exchanger would clog, but since this is my first rodeo full timing in a 5th wheel ... I wonder what those with experience do/have done?

My AC's have small little filters, so no question there.  Only the furnace has no filter at all.



-- Edited by RonC on Saturday 31st of December 2016 01:36:47 PM

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bjoyce


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I have not seen a filter on any LP RV furnace. I think it is because they are not high efficiency models, like those in houses, so the dust and such has little to no effect on them. Been told that Atwood designed a high efficiency LP furnace once, but no RV manufacturer would spend the extra money putting it in and that kept it out of production.

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RonC


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Thanks for the response Bill. I guess that's why there is a very slight smell whenever the furnace is running as the dust is burned off in the heat exchanger ... sort of self cleaning I guess.

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Ron and Janice

 

2016 Ford F350, King Ranch, DRW, 4x4, CC, 6.7 PS Diesel, remote control air lift system

2017 Durango Gold 381REF, Lambright furniture, MCD shades, morRYDE IS, 8K Disc brakes, GY G114  LR H Tires, 27,320 lbs CGVW

FT class of 2016
TRAILERKING


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I'd have to look at it again, but my '99 Fleetwood American Dream has (2)two furnaces and has a filter at air intake under the kick-board.


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LarryW21


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I believe in filters. Install one. 



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Barbaraok


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If not designed to have a filter, putting one in will reduce air flow which is something you don't want to do.

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