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Old 10-01-2006, 05:37 AM   #1
RLVoumard
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Suburban Heater

I am sure disappointed in the Mountaineer’s heating system, we have HOT / COLD spots in the coach. The heater sits in the rear and each vent ( total of 4 ) moving away from the heater, toward the bath & bedroom get less and less hot air. The bedroom vent is not even HOT to the touch. I have some adjustable registers covers that installed, I can CLOSE off the air flow and force air in the colder areas…..but , overall not a very well distributed air flow.

Any suggestions ????
 
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Old 10-01-2006, 07:15 AM   #2
richfaa
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A good test to see just how bad it really is... is to turn the furnace on then hold a thermometer down in the hot air flow and see what you read.We found that we had a good temp at all vents but it was not being deflected up enough.
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Old 10-01-2006, 07:40 AM   #3
RLVoumard
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I the TEMP is OK, it's the VOLUME of AIR....The vents in the rear( closest to the HEATER ) are getting all the air flow, while the rear vents are starving..
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Old 10-01-2006, 07:49 AM   #4
DHenry
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Have you changed the registers to the type that have the adjustable dampers in them? You can get them at Home Depot or Lowes.
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Old 10-02-2006, 10:41 AM   #5
AZCampinfool
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Rodney, as you know, I have the exact same issues...same fiver etc. I removed the panels in the basement to give me access to the furnace ductwork under the bathroom/bedroom. Here is where it gets interesting..(roll eyes!!) The ductwork is connected to the upper floor in the fiver by two separate lengths of round 4" ductwork similar to dryer vent hose (just cheaper material) One hose goes to the bathroom, the other to the bedroom register. The first thing I noticed was that each length of hose was 1' to 18" too long. In other words, the hoses kind of formed a loop on their way to the upper floor registers. Common sense told me this was not very efficient, so I shortened each length of hose so it formed a straight shot to the register and re-attached them using that silver foil a/c ductwork tape. That being said, I have not used my fiver since I did this but it appeared to be letting more air to those registers. Unfortunately, the way the ductwork goes from the lower main floor to the upper bedroom/bath floor is very inefficient. All the factory did was cut two 4" holes in the top of the lower ductwork....one right after the other, and then route the hoses to the upper registers. Does that make sense? When I was down there, I could not tell where the main floor ductwork ended or if there was anything in the main floor ductwork to deflect air into the hoses that go upstairs since the ductwork was actually below the floor and linoleum. I suppose you could take off the upper hose and stick your hand down into the ductwork to see if it actually ends or if there is some type of deflector but I didn't do that at the time. Now I wish I would have taken pictures but I didn't.... Overall, I think the main issue is just a poor design the way the ductwork is laid out. This probably wasn't much help, but at least it might give you some ideas on what to look for if you do tear into it.
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Old 10-03-2006, 02:42 AM   #6
RLVoumard
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Bruce…..Thanks for the great POST on this subject. Sounds like what we have is just poor engineering !! I will plan on spending a day looking at the ductwork, as I suspect I will find just as you did the hose lengths will not be in a strait line, easy to fix, every little bit helps !!

For those of us that live in a area where the winter climate is very mild, it’s only a small inconvenience now If I was in IOWA I would be in a goose down sleeping bag in the bedroom.

I’ll keep plugging away, but my guess is that this system is just not engineered correctly.
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