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Old 07-30-2012, 06:47 PM   #1
Join Date: Sep 2010
Posts: 33
Mach 15 Noisy

HI all, Was wanting to ask a loaded question and see what responses I could get before I go to the dealer. I've been camping about 40 years and have had all kinds of air conditioners. This last 5th wheel I bought has a Coleman Mach 15 a/c on it. It works fine and has done a great job for the year and a half I've had it, but that thing just seems really noisy all the time. Doesn't matter whether on hi or low speed; under load or not under load, the compressor just sounds noisy. Is this common with this unit? Any thoughts appreciated. Thanks

Gary and Michelle
2010 Chevy 2500 HD
2011 Rockwood 8285WS
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Old 07-30-2012, 06:50 PM   #2
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Location: South Eastern PA
Posts: 19,830
I have nothing to compare mine too, but it does seem loud.
Cools GREAT though.


Lou and Laura with Bella - German Short Hair Pointer
2008 GMC Sierra 2500HD Crewcab SB Allison Duramax
2010 Flagstaff 8526RLWS - Superglide 3300
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Old 08-01-2012, 09:53 PM   #3
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Location: Sussex WI
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I have a Mach 15 also it does not seem any louder than the 13.5 I had on my 04 Terry.
2013 Flaggstaff 8528RKWS 5th Wheel Diamond Pkg.
2005 GMC 2500HD Crew Cab LLY Duramax/Allison
Banks exhaust, AFE intake mouth piece, Volant CIA with ram air scoop, KYB Mono Max shocks, EFI Live by duramax tuner 5 tunes with turbo brake, B&W Patriot 16K Hitch
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Old 08-02-2012, 02:42 PM   #4
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Location: Maryland
Posts: 452
You might have a problem. Mine is very loud too but that is just the fan, low or high is little difference. I can still hear the compressor when it turns on. We are camping at the beach now & watching the Olympics during lunch - TV (Konica) is as loud as it will go but we are cool. I think this is a limitation of the TV as we have it set pretty high without the AC.
2013 Rockwood Mini Lite 2109S
2010 Toyota Tundra 4WD
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