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07-17-2019, 04:35 PM
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#1
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Junior Member
Join Date: Mar 2019
Posts: 11
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Air conditioning
So, we’re camping in 105 degree heat index, and the unit is doing everything possible but still 85 degrees in the camper, this is going to happen every year, I’m just curious, should I look at adding another rooftop unit? Anyone else have a solution to this Problem?
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07-17-2019, 04:41 PM
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#2
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Senior Member
Join Date: Jun 2013
Location: Baton Rouge, La.
Posts: 677
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AC is not affected by heat 'index' only humans feel 'index'/AC can only lower temps by 15-20 degrees
__________________
Danny & Darlene
2002 Silverado 1500HD
2014 Rockwood 2703WS 'Emerald Pkg'
Days camped 2015=42 2014=48 2013=41 2012=47 2011=18
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07-17-2019, 04:52 PM
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#3
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Always Learning
Join Date: Nov 2011
Location: Four Corners, FL
Posts: 21,888
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Parking in the shade is the very best thing you can do.
After that, add Reflectix to all windows that you can tolerate.
Use fans to move cool air around.
And finally, consider a 2nd A/C. In my 43' toy hauler, we have 3!
__________________
Officially a SOB with a 2022 Jayco Precept 36C
Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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07-17-2019, 04:57 PM
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#4
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Member
Join Date: Feb 2014
Posts: 49
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If you have a 50amp service then yes add another AC unit. Cover all Windows and skylights with double bubble reflective foil insulation will help lower temp in camper as well.
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07-17-2019, 05:22 PM
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#5
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Senior Member
Join Date: Jan 2016
Location: x
Posts: 12,423
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You didn't mention which rig you have. Reflex all the windows including the skylight if you have one. Make sure the AC is started prior to the interior reaching 80*. Clean the outdoor coil (up on the roof) make sure your filters are clean. Measure the Delta T between the cold air return and the output of the AC. 20* difference is about the best you will get.
__________________
Retired Navy
Jake my sidekick (yellow Lab) 10/04 - 05/20
2017 RAM 2500 CC 4X4 Cummins Diesel
2016 Flagstaff 26 FKWS
AF&AM & El Korah Shrine of Idaho
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07-17-2019, 05:31 PM
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#6
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Senior Member
Join Date: Jan 2017
Location: Kalamazoo
Posts: 2,139
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check your unit or build sheet to see if you have a 13.5 or 15 a/c unit. my rear is 15 and my front is 13.5. when im on a 30 am site that is sunny I have a hard time keeping up in the middle of day but it catches up at dark. 43 foot 5 slide 5th wheel
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07-17-2019, 06:01 PM
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#7
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Junior Member
Join Date: Mar 2019
Posts: 11
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Ok 94 degrees
Our unit is a 15,000 btu 34’ Rockwood ultra light. I think it’s already prepped for a 2nd unit. Almost everywhere we camp is 50 amp so I’m thinking another 15,000 btu unit will help considerably. Thoughts?
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07-17-2019, 06:03 PM
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#8
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Junior Member
Join Date: Mar 2019
Posts: 11
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Quote:
Originally Posted by SeaDog
You didn't mention which rig you have. Reflex all the windows including the skylight if you have one. Make sure the AC is started prior to the interior reaching 80*. Clean the outdoor coil (up on the roof) make sure your filters are clean. Measure the Delta T between the cold air return and the output of the AC. 20* difference is about the best you will get.
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Our unit is a 15,000 btu 34’ Rockwood ultra light. I think it’s already prepped for a 2nd unit. Almost everywhere we camp is 50 amp so I’m thinking another 15,000 btu unit will help considerably. Thoughts? We already have the reflective windows and skylights so plus night shades also.
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07-17-2019, 06:28 PM
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#9
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Senior Member
Join Date: Jan 2017
Location: Kalamazoo
Posts: 2,139
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is your unit 50 amp? if so and prepped would help keep the cost of upgrade down.
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07-17-2019, 06:50 PM
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#10
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Junior Member
Join Date: Mar 2019
Posts: 11
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Yes to both.
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07-17-2019, 07:53 PM
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#11
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Lets go camping!
Join Date: Dec 2017
Location: VA
Posts: 259
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check the return and supply baffle to make sure there are no gaps between it.
__________________
2014 Rockwood Mini Lite 2504s
2016 Ram 3500
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07-18-2019, 03:30 PM
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#12
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Senior Member
Join Date: Feb 2015
Location: TX
Posts: 385
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We have three AC units, 15000 and two 13500 for a 42 foot fiver. A good running AC will lower 21 degrees at best.
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07-18-2019, 03:36 PM
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#13
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Member
Join Date: Apr 2019
Posts: 37
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Before adding another AC unit, I would try looking for air leaks, put Reflectix on the windows, and try adding a couple of fans to get the air moving into the cooling zones.
__________________
2007 Cady SRX
2014 Rockwood A122 A-frame
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07-18-2019, 03:42 PM
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#14
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Senior Member
Join Date: Apr 2018
Posts: 236
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Quote:
Originally Posted by Kamikaze
Our unit is a 15,000 btu 34’ Rockwood ultra light. I think it’s already prepped for a 2nd unit. Almost everywhere we camp is 50 amp so I’m thinking another 15,000 btu unit will help considerably. Thoughts? We already have the reflective windows and skylights so plus night shades also.
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We have a 33’ rockwood. We added a second ac to bedroom. What a difference! On really hot days we close the vents in bedroom, set ac to a lower setting and let it force more ac into the living room. The 2 15k ac units keep up nicely. We added those mcd shades and that cuts out a LOT of heat. Although i think i will add that reflex stuff in the sun roof in living room and bathroom. So far... 93 outside... 73 inside. Last year with one ac... id be lucky to see 83 inside. Second ac was 100% worth it!
__________________
James & Aimee
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2018 Rockwood 2906WS
2012 Ram 2500HD 6.7L Cummins
Equal-i-zer 4 Point Hitch
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07-18-2019, 05:11 PM
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#15
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Member
Join Date: Jul 2017
Posts: 92
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We have a 38' travel trailer with one 15k AC. We keep a fan going inside at all times. The fan running makes a world of difference by keeping the air moving. We had a really hot summer a few years back and we put auto style sunshades in the bigger windows and it helped a lot.
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