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06-21-2016, 07:12 PM
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#1
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Member
Join Date: May 2016
Posts: 37
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Any way to quiet overhead AC?
We have a Wildwood 195BH with an overhead AC unit. It is LOUD! Does anyone know if there's a way to quiet down an AC unit? It's a Dometic.
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06-21-2016, 08:06 PM
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#2
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Senior Member
Join Date: Jul 2013
Posts: 1,452
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Short answer...NO!
Long answer....NO!
Nature of the beast. Their all loud, whether in a small trailer or a 32' class c, or a 40' 5th wheel.
Grumpy
__________________
Steve & Cheryl + Zoey, and Ziggy, our furry kids.
2012 Forrest River Lexington 283ts
Toad, 2013 Subaru XV Crosstrek
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06-21-2016, 08:10 PM
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#3
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Senior Member
Join Date: Jun 2015
Posts: 639
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Yes, but you won't like the answer
The Atwood 13.5K and 15K BTU A/C's are much quieter than the Dometic. We removed our Dometic 13.5K unit on our Forester MBS - even though it worked fine - and replaced it with a 15K Atwood heat pump. We couldn't hold a conversation at the dinette directly below the ceiling diffuser with the Dometic. Now with the Atwood (even on high) - we can eat and talk without yelling.
The Atwood also draws much less current and the low/med/high speeds actually are different, unlike the low/high of the Dometic.
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06-21-2016, 08:30 PM
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#4
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Member
Join Date: Apr 2014
Posts: 43
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My Coleman Mach was very loud , a finally the electric fan motor quit , I replaced it with a new one night an day difference , You can actually carry on a conversation.
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06-21-2016, 08:37 PM
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#5
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Senior Member
Join Date: Jun 2015
Posts: 627
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LOUD... Is amazing how loud it is inside, yet when you go outside, its actually very quite...
I've looked at mine, I believe there is two source of noise:
1) The AC unit seems to vibrate the entire roof, so the roof amplifies the sound.
2) Wind noise, It moves air at very high speed, which translates to noise.
There isn't any way that I can see to quit it down...
__________________
2001 Coachmen Mirada (Ford F53 6.8L V10) - Toad 2003 Saturn Vue
It won't do MACH 2, but I can get a sandwich and take a pee.
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06-22-2016, 05:03 AM
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#6
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Senior Member
Join Date: Jul 2013
Posts: 1,452
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Remember, the OP has a 19 foot tt. Nothing installed on that rig, no matter what the brand, is going to be "quiet". Dosen't even have any type of doors to seperate the bedroom section from rest of tt. AC is going to be loud!
Grumpy
__________________
Steve & Cheryl + Zoey, and Ziggy, our furry kids.
2012 Forrest River Lexington 283ts
Toad, 2013 Subaru XV Crosstrek
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06-22-2016, 05:26 AM
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#7
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Senior Member
Join Date: Oct 2013
Posts: 1,460
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Quote:
Originally Posted by grumpy0374
Short answer...NO!
Long answer....NO!
Nature of the beast. Their all loud, whether in a small trailer or a 32' class c, or a 40' 5th wheel.
Grumpy
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Our Crusader has the Quiet version ducted air that does NOT have that grate in the middle of your ceiling with the sliding portion to dump cold air if needed
It is more like a regular central air system - it has two cold air return vents in the ceiling and it is extremely
quiet compared to any other we have had in previous fivers..you can actually watch TV at normal volume levels 😊
Sent from my iPhone using Forest River Forums 🇺🇸
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06-22-2016, 06:03 AM
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#8
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Senior Member
Join Date: Jul 2013
Posts: 1,452
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Again, the OP has a 19 foot tt, with a non ducted ac unit. It is going to be much louder than a ducted 5th wheel. In a small tt that is basically an open box, even a "quiet" ac unit will still be loud. Big difference between his rig, and a larger 5th wheel, or MH with a ducted ac unit.
Really no way to "quiet" it down. Even spending 6-7-8 hundred dollars to have a "quiet" ac unit installed would not cut down noise that much.
Grumpy
__________________
Steve & Cheryl + Zoey, and Ziggy, our furry kids.
2012 Forrest River Lexington 283ts
Toad, 2013 Subaru XV Crosstrek
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06-22-2016, 11:38 AM
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#9
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Site Team
Join Date: Jan 2007
Location: Goodyear, Arizona
Posts: 33,758
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Quote:
Originally Posted by grumpy0374
Remember, the OP has a 19 foot tt. Nothing installed on that rig, no matter what the brand, is going to be "quiet". Dosen't even have any type of doors to seperate the bedroom section from rest of tt. AC is going to be loud!
Grumpy
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THIS^^^
Blast From the Center a/c (non-ducted) will always be louder the ducted a/c.
__________________
Dan-Retired California Firefighter/EMT
Shawn-Musician/Entrepreneur/Wine Expert
and Zoe the Wonder Dog(R.I.P.) 
2016 PrimeTime TracerAIR 255, pushing a 2014 Ford F150 SCREW XTR 4x4 3.5 Ecoboost w/Max Tow Package
4pt Equal-i-zer WDH and 1828lbs of payload capacity
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06-22-2016, 11:46 AM
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#10
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Mod free 5er
Join Date: Mar 2008
Location: Concord, NC
Posts: 24,702
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As for the vibration, I would suggest removing the roof cover and inspecting the fan blades for mud dauber nests. Been there, done that.
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06-22-2016, 12:19 PM
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#11
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Member
Join Date: Apr 2014
Posts: 31
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We have a rooftop heat pump. The roof is a huge sounding board. The compressor's vibrations are amplified by the roof. No way around it other than a basement unit. In 50 years of RVing, we've learned to appreciate the AC drowning oht campsite noises.
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Blest with a Coachmen Prism 24G
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06-22-2016, 12:39 PM
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#12
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Member
Join Date: Nov 2010
Posts: 48
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Also if you take the cover off of the unit on roof, look at the tubing coming out of the compressor and make sure its not touching/rubbing against any of the sheet metal. Mine was just touching the sheet metal and made a awful noise. I turned the unit off and let it cool down and bent the tubing just a bit 1/8" with my hands and got it off of the sheet metal, made all the difference in the world. I still have the air noise but the vibration noise is gone.
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06-22-2016, 12:53 PM
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#13
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Junior Member
Join Date: Jul 2013
Posts: 12
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Quote:
Originally Posted by Harveyfamily
We have a Wildwood 195BH with an overhead AC unit. It is LOUD! Does anyone know if there's a way to quiet down an AC unit? It's a Dometic.
Sent from my iPhone using Tapatalk
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Remove it and install a portable AC... much quieter, way more efficient and can be ran on a 2K generator easily. Only drawback is you must have an accessible window to vent it through.
__________________
 2007 Dodge RAM 2500 5.9L
2010 Wildcat 30-LOFT
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06-22-2016, 05:31 PM
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#14
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Senior Member
Join Date: May 2015
Posts: 1,397
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About 6 months ago someone posted about fabricating a shroud that incorporated some sound deadening material. It got posted also to irv2.com and rv.net. Do a search.
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--2005 F350 Superduty Crewcab, 6.0, 4wd, short bed, 3.73 gears;
--2016 Montana 3711FL, 40'
--2014 Wildcat 327CK, 38' SOLD
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06-22-2016, 06:00 PM
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#15
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Left Coast
Join Date: Dec 2014
Location: vancouver,washington
Posts: 15,649
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If one was so inclined, could use a shore power compartment and run a portable exhaust hose into it......then when not using, close the flap.......or, JR Products make compartment boxes of various sizes, with doors......bore the hole size, mount the box using butyl tape.
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06-22-2016, 06:47 PM
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#16
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Senior Member
Join Date: Apr 2016
Location: Cedar Creek Lake, TX
Posts: 3,484
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Quote:
Originally Posted by bikendan
THIS^^^
Blast From the Center a/c (non-ducted) will always be louder the ducted a/c.
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Mine is ducted, but still loud. I expect it will always be that way. As long as it is cold I'm happy! Lol
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Cedar Creek Lake, Texas
2019 Keystone Loredo 290SRL
2019 Ram 2500 4x4 Cummins crew cab
Andersen hitch
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06-22-2016, 06:52 PM
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#17
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Senior Member
Join Date: Jun 2013
Location: Between Pickles Gap and Toad Suck, AR
Posts: 6,070
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If the folks next to me at this campground don't move, I'd like to know how to make mine LOUDER!!! LOL
__________________
"Next to prayer, fishing is the most personal relationship of man" Herbert Hoover
"American by Birth, Southern by the Grace of God"Lewis Grizzard
FROG AR-0019-242
2016 GMC Denali 3500Dually--2017 CC 36CKTS
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06-22-2016, 07:02 PM
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#18
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Senior Member
Join Date: Feb 2015
Location: Southern, IL
Posts: 3,272
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Quote:
Originally Posted by BandJCarm
If the folks next to me at this campground don't move, I'd like to know how to make mine LOUDER!!! LOL
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Air can "Boat Horn". Either one of you may have to leave. 
__________________
Bob & Michelle
2016 Ford F-250 Lariat 4x4
2017 Flagstaff Super Lite 526RLWS
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06-22-2016, 07:14 PM
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#19
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Senior Member
Join Date: Jun 2013
Location: Between Pickles Gap and Toad Suck, AR
Posts: 6,070
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I can't leave.
I'm in a pull through site with two 100' pine trees in front of me. Can't make 90 degree left turn when leaving. Camper ain't gonna leave fronterds (Southern for frontwards).
I have to live here forever.
__________________
"Next to prayer, fishing is the most personal relationship of man" Herbert Hoover
"American by Birth, Southern by the Grace of God"Lewis Grizzard
FROG AR-0019-242
2016 GMC Denali 3500Dually--2017 CC 36CKTS
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06-22-2016, 07:39 PM
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#20
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Senior Member
Join Date: Feb 2015
Location: in my new 29hfsxlr
Posts: 1,658
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Quote:
Originally Posted by Harveyfamily
We have a Wildwood 195BH with an overhead AC unit. It is LOUD! Does anyone know if there's a way to quiet down an AC unit? It's a Dometic.
Sent from my iPhone using Tapatalk
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They are real quite when turned off .
I have a 15000btu dometic it is louder when using the cold air dump but when that's closed and the air is going through the vents i do not find it any louder then one may expect , very normal and quieter then my home window air unit
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