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11-08-2017, 01:39 AM
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#1
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Senior Member
Brand: Thor Motor Coach
Model: Challenger 37TB
State: Pennsylvania
Posts: 412
THOR #4486
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Noisy LP furnace - mod to existing furnace
As many of us have probably noticed, the LP furnaces in most RV's, with probably the exception of the high end coaches, they are very noisy when they run. The two main "noise" attributes seem to be the actual air blower and then the LP firing once that gets going. Unfortunate for me, I can't sleep well with noise of any kind. When the furnace kicks in, it sometimes wakes me up. Has anyone toyed around with the idea of somehow making theirs less noisy through some modification? I know that there is an electric heating element available for these common furnaces but I believe last time I saw that price tag it was "juice not worth the squeeze" plus that only maybe solves one of the furnace noise attributes.
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Tom and Lisa
Pennsylvania
2015 Challenger 37TB
2015 Ford Taurus toad
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11-08-2017, 01:41 AM
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#2
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Axis/Vegas Enthusiast
Brand: Thor Motor Coach
Model: Axis 24.4
State: Michigan
Posts: 9,837
THOR #1150
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Have you tried some ceramic electric heaters?
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11-08-2017, 01:55 AM
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#3
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Senior Member
Brand: Thor Motor Coach
Model: ACE 30.3 Sold
State: Arkansas
Posts: 439
THOR #8012
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Quote:
Originally Posted by schreinertms
As many of us have probably noticed, the LP furnaces in most RV's, with probably the exception of the high end coaches, they are very noisy when they run. The two main "noise" attributes seem to be the actual air blower and then the LP firing once that gets going. Unfortunate for me, I can't sleep well with noise of any kind. When the furnace kicks in, it sometimes wakes me up. Has anyone toyed around with the idea of somehow making theirs less noisy through some modification? I know that there is an electric heating element available for these common furnaces but I believe last time I saw that price tag it was "juice not worth the squeeze" plus that only maybe solves one of the furnace noise attributes.
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Plus, Atwood specifically warns against modifying their furnaces with the electric element.
As Jamie said, ceramic heaters is probably the best bet. You will need to add heat down below (wet bays) if you are camping below zero.
My plan is ceramic heaters in the coach, and Davis Dryer 500 units in the cargo compartments. The Davis units aren't cheap, but I think safer than putting small 250 watt ceramic heaters down below.
Another option for down below is heat lamps.
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11-08-2017, 02:33 AM
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#4
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Senior Member
Brand: Thor Motor Coach
Model: Gemini 24TX (Formerly)
State: California
Posts: 1,459
THOR #5821
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We use an electric heater, which very quietly provides all the heat we need. Goes without saying, we are plugged into shore power when using electric heat.
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11-08-2017, 06:15 PM
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#5
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Senior Member
Brand: Thor Motor Coach
Model: Four Winds
State: Ontario
Posts: 265
THOR #9081
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Quite a few boondockers use Mr. Heater or Olympian Wave heaters inside their RV's.
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2018 Four Winds 31Y
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11-08-2017, 06:37 PM
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#6
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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Would earplugs help?
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"What: me worry?"
Good Sam Member 843599689
Current coach: Tiffin Wayfarer 24 BW
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11-08-2017, 11:03 PM
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#7
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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After giving this a bit more thought: how about if you add some sound deadening material to the furnace's compartment?
Use the same stuff that you'd use to insulate the doghouse over the engine.
__________________
"What: me worry?"
Good Sam Member 843599689
Current coach: Tiffin Wayfarer 24 BW
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11-09-2017, 05:35 PM
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#8
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Senior Member
Brand: Thor Motor Coach
Model: 2016 Hurricane 29M
State: California
Posts: 215
THOR #8249
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Quote:
Originally Posted by Bob Denman
After giving this a bit more thought: how about if you add some sound deadening material to the furnace's compartment?
Use the same stuff that you'd use to insulate the doghouse over the engine.
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Bob, that could work pretty well. I know that some of my noise is the wind thru the system and the fan, however, if I decide to do something about it, I would probably try some sound deadening stuff and techniques.
Not sure I will do that very soon, due to just the access to the unit and everything. Mine is under the fridge! Not really "fit" for that
However, I will most likely get that damper that Halfprice and others have installed into the bedroom duct. Maybe that will push air into the living quarters.
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Recie Tyson
2016 Thor Hurricane 29M
Lancaster, CA
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11-09-2017, 05:50 PM
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#9
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Senior Member
Brand: Thor Motor Coach
Model: Gemini 24TX (Formerly)
State: California
Posts: 1,459
THOR #5821
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Not sure sound deadening material in the compartment would be that helpful, since the majority of noise would be fan noise and probably emitting though the register opening. Might help some, though.
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11-09-2017, 06:52 PM
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#10
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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Let us know how much it helps; good luck!
__________________
"What: me worry?"
Good Sam Member 843599689
Current coach: Tiffin Wayfarer 24 BW
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