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07-10-2016, 10:09 PM
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#1
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Senior Member
Join Date: May 2016
Location: Eastern Shore of MD
Posts: 133
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Tips on keeping a 371 cool
I am having issues keeping my 371 cool even with the 2 15K A/C's. The main area does a so so job keeping cool with the one AC in the main bedroom. However in the garage area, I cannot seem to get and keep cool in the heat of the day with the AC in there; even with the quick dumps on that AC open. I have figured out if I put the top bunk down about a foot it does seem to work a little bit better. I am in need of advice/suggestions. I thought about taking a piece of fabric or something starting at the front quick dump vent and pinning it to the ceiling to make a tunnel for the cold air to force it out from the bunk area.......Sort of like they do in refrigerated tractor trailer, trailers. Thoughts/ideas/suggestions?
I do find the lack of cooling ability strange since this is a 39 foot unit with 2, 15k AC's. My last camper was a 2009 36 foot 5th wheel with one 15k AC and it had no problems (except for the 9 degree plus days in the middle of day with no shade) keeping the camper at a nice cozy 74 degrees.
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07-11-2016, 04:41 AM
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#2
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Site Team | Emeritus
Join Date: Dec 2015
Location: Kansas City
Posts: 3,878
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I added a couple of small fans to circulate the air in my Impact last week. It helped a lot. Cooled the camper down from a toasty 100 to 78 in a couple of hours. Both of my units have a split dump also. I open one and close the other, which pushes some of the air through the vents. Good luck with your issue.
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__________________
Chip Bruce, RPh
Kansas City, MO
2016 Impact 312
2017 Silverado 3500HD SRW
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07-11-2016, 07:40 AM
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#3
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Senior Member
Join Date: Nov 2012
Location: Prince George Va
Posts: 1,300
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We have one of these portable a/c's we run when we first get to the campground to help cool it down faster ,and then sometimes we have to turn it back on thru out the hottest part of the day when its up close to 100 degrees
__________________
2008 F350 chipped and bagged 6.4 power stroke crew cab 4x4.2013 384pk Raptor (Gravy Train) 2006 Fatboy w/18inch ape hangers,2006 883c sporty,Army wife Kim,Cocoa (The Boarder Collie) and Rebel (The English Bulldog) (THE RICH RAGE WAR,BUT ITS THE POOR THAT DIE)
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07-15-2016, 10:46 AM
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#4
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Senior Member
Join Date: May 2016
Location: Eastern Shore of MD
Posts: 133
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I just fid it odd that a 2010 36 foot 5th wheel stayed pretty cool with one 15k unit yet to 15 k units wont keep a 39 footer cool that supposedly has super insulation because of the blizzard package?????
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07-15-2016, 12:19 PM
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#5
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Senior Member
Join Date: Apr 2016
Posts: 119
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We are camping this weekend and asking ourselves the same question......we had a 29' Outback with 13500 btu and it kept the unit very cool during all conditions for 10 years. Our new 31' Cougar TT had 15000 btu and just cannot keep up. Plus windows are tinted on this new one. How could 2' make that much difference - Especially with a stronger a\c?
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07-15-2016, 12:20 PM
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#6
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Senior Member
Join Date: Apr 2016
Posts: 119
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*has not had
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08-16-2016, 10:07 AM
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#7
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Junior Member
Join Date: Aug 2016
Location: Phoenix, AZ
Posts: 7
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Quote:
Originally Posted by lesleyinky
We are camping this weekend and asking ourselves the same question......we had a 29' Outback with 13500 btu and it kept the unit very cool during all conditions for 10 years. Our new 31' Cougar TT had 15000 btu and just cannot keep up. Plus windows are tinted on this new one. How could 2' make that much difference - Especially with a stronger a\c?
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A lot of the AC problems we experience is just due to the new modern environmentally friendly Freon gas that we are now being forced to use. The older units had a different Freon gas that was far better than what is allowed to be used today. A 13.5 unit with the older gas is a far better capable unit than a modern 15 unit simply because the Freon is just not as good. You might get the same capability in cooling if a 18 unit was used, but that would be a heavy and large unit to put on the roof of most RV's.
I remember back in the 70's my dad's Buicks would blow snow out of the AC systems on a hot humid summer day. Today, with the less efficient Freon being used in modern vehicles, that would never happen.
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08-16-2016, 10:41 AM
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#8
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Gone Traveling
Join Date: May 2016
Location: Highland, IL
Posts: 512
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Refrigerant that is not as good as Freon is one I never thought of. Definitely a factor.
Varying installation quality (ductwork, main unit install/chambers, paths to roof not sealed, etc.).
Varying insulation in camper
Varying heat loss/absorption (probably not correct terms) in camper
Varying cubic feet to cool. Remember, length of camper doesn't fully explain the issue. It is cubic feet of air to cool.
Slides? Varying number and sealing
Sun/shade/outside temp
Overall quality of a/c unit
I have a 38' TT with two a/c units (one 15 and one 13.5). It does OK in mid 90's... but nothing to write home about. I have a 25 degree delta, so they are working correctly. The campers just aren't insulated that well.
Remember to keep you a/c going. Maintaining temp is easier that getting there if it is hot out.
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08-16-2016, 01:38 PM
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#9
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Site Team | Emeritus
Join Date: Dec 2015
Location: Kansas City
Posts: 3,878
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You might check this thread out.
http://www.keystonerv.org/forums/showthread.php?t=25849
Chip Bruce, RPH
Kansas City, MO
2016 Fuzion Impact 312
2015 Chevrolet Silverado LTZ
WELL....THAT WAS FUN!
__________________
Chip Bruce, RPh
Kansas City, MO
2016 Impact 312
2017 Silverado 3500HD SRW
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08-16-2016, 07:41 PM
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#10
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Senior Member
Join Date: Dec 2015
Location: Ocean Isle Beach
Posts: 1,431
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Quote:
Originally Posted by lesleyinky
We are camping this weekend and asking ourselves the same question......we had a 29' Outback with 13500 btu and it kept the unit very cool during all conditions for 10 years. Our new 31' Cougar TT had 15000 btu and just cannot keep up. Plus windows are tinted on this new one. How could 2' make that much difference - Especially with a stronger a\c?
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IMO those tinted windows we have now are drawing a ton of heat. Thankfully, my Cougar came with real window blinds not the light weight folding ones most prevalent ones.
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2022.Montana 3855 BR
2019 F350 6.7 4X4 DRW
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