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Old 06-30-2014, 02:51 PM   #1
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AC not keeping up

So we're down here in pensacola and it's over 100 plus humid. AC is struggling to keep it anywhere even close to 85. Any suggestions or just normal?
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Old 06-30-2014, 02:56 PM   #2
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Do you have 13.5 or 15k but AC? We had 13.5 and had no issues keeping our 30' tt cool in FL last August (just as hot). Only problem we had was condensation. You could try closing curtains.
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Old 06-30-2014, 03:08 PM   #3
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We have 15k from what I see in paperwork. Curtains have been closed all day. Only mistake was fan was on low not high. Should we have the vents directly on the AC unit open or closed?
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Old 06-30-2014, 03:49 PM   #4
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We run with the AC vents out of the AC open until it is cool and than close them
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Old 06-30-2014, 04:19 PM   #5
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Kimbo59

Does your A/C run all the time when it real hot out. Ours does wondering if normal.
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Old 06-30-2014, 04:42 PM   #6
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I was in Gulf Shores weekend before last. We have a 15k AC but still the direct sun can be brutal. We did ok with fan on high and at least one of the vents directly on the AC open during the day. I found if I opened the vent that was pointing to the side of the RV being hit by the sun, it did better. I also learned that my ducted vents ended some work. There is a whole string on here about that.

I found the A/c stayed on most of the time except for at night when it would cycle. Even then I kept the fan on high as opposed to auto to keep air moving.
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Old 06-30-2014, 05:09 PM   #7
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We were having a tough time last week while we were at a park with no shade. We had to leave the fan on and the air dump open. I also had a floor fan running. Once it cooled down and stayed on the next day it was better.
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Old 06-30-2014, 05:31 PM   #8
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Make sure you are on AC and not fan.
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Old 06-30-2014, 05:49 PM   #9
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Camping in upstate NY in the summer if it hot - 85 to 90 degrees a single AC will not keep the trailer cool. Heat up to 80 and then cool down when the trailer is no longer in the direct sun.

If I lived or camped down south in the Summer I would have a 2nd AC. We have a fantastic fan in the bed room instead of the second AC unit.
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Old 06-30-2014, 06:44 PM   #10
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I imagine the temp and sun is the problem, not your A/C.

100+ is brutal to a home A/C, much less an RV. Same thing if it were -20...furnace would likely never shut off.
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Old 06-30-2014, 07:16 PM   #11
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Here is an interesting article on AC's from Mrrvtech.com

http://www.mrrvtech.com/services.html
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Old 06-30-2014, 07:27 PM   #12
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We were up in the Dallas area during the entire very hot summer of 2012. At the time we owned a 35' Cruiser with one 15k a/c. The unit would come on at about 9 am and run continuously until about 1 am when it would start cycling. It cycled through the night until about 9 am. We kept our awning out while we were in the area and no wind was forecast and shades down. The inside temperature during the day stayed about 80. At night it would cool down. It was never uncomfortable for sleeping. Just something expected in hot temperatures with one a/c.
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Old 07-05-2014, 09:55 AM   #13
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Keeping the awning out and get a couple of decent fans were able to now hold about 76 for the peak of the day.
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Old 07-11-2014, 08:30 PM   #14
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You can try cutting some of that reflective foil insulation to fit the windows that face the sun most of the time. It really cuts down on the energy needed to keep the camper cool/warm...downside...can't see out the windows....
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Old 07-11-2014, 09:17 PM   #15
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In the old 5er with the option to use the direct air dump or the ducts, that we would get much cooler much faster with the air dump cooling the interior of the rv rather than cooling the ducting

Yes, once it caught up, we could close the air dump and use the duct work...

(oh, and I too, found that the overhead ducts were not sealed very well, in fact, one end was open to the 'attic')
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Old 07-20-2014, 07:44 AM   #16
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Check this video and see the difference in inlet and outlet temperatures are.
http://youtu.be/weyjl5O-S9g
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