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07-29-2021, 11:45 AM
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#1
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Senior Member
Join Date: Aug 2020
Location: Big Springs
Posts: 197
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A/c # 2
So I just got back from a three day trip to Scottsbluff, NE for cataract surgery. It was in the high 90’s to just over 100 degrees. The one A/C was not really keeping up midday to sunset when the sun was full on.
It’s a 337fls 2014. The hallway was showing 97 degrees with the thermostat set at 74. The front living room on the shaded side with a tower fan running was comfortable.
So if I’m going to use it during the summer it looks like I’ll need a second A/C.
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07-29-2021, 12:03 PM
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#2
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Junior Member
Join Date: Sep 2014
Location: Meridian
Posts: 6
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Quote:
Originally Posted by BookPaul74
So I just got back from a three day trip to Scottsbluff, NE for cataract surgery. It was in the high 90’s to just over 100 degrees. The one A/C was not really keeping up midday to sunset when the sun was full on.
It’s a 337fls 2014. The hallway was showing 97 degrees with the thermostat set at 74. The front living room on the shaded side with a tower fan running was comfortable.
So if I’m going to use it during the summer it looks like I’ll need a second A/C.
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I would recommend you look into putting a mini split A/C into your rig. They are much more efficient and cool much better and quiet enough that you don't even know it is running.
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07-29-2021, 01:17 PM
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#3
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Senior Member
Join Date: Nov 2017
Location: Mico, TX
Posts: 7,467
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Quote:
Originally Posted by BookPaul74
So I just got back from a three day trip to Scottsbluff, NE for cataract surgery. It was in the high 90’s to just over 100 degrees. The one A/C was not really keeping up midday to sunset when the sun was full on.
It’s a 337fls 2014. The hallway was showing 97 degrees with the thermostat set at 74. The front living room on the shaded side with a tower fan running was comfortable.
So if I’m going to use it during the summer it looks like I’ll need a second A/C.
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Paul, if this is a 50A camper your bedroom vent may be wired/braced for a 2nd A/C. If so, the easiest install is to install the second A/C without going through the thermostat and using manual controls but if you want to use zone 1 and zone 2 via the thermostat, make sure you buy the same brand as it will likely be more suitable for being controlled by that thermostat. We added a portable 14.5K BTU to augment our 15K BTU Dometic on the roof.
__________________
wiredgeorge Mico TX
2006 F350 CC 4WD 6.0L
2002 Keystone Cougar 278
2006 GL1800 Roadsmith Trike
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07-29-2021, 08:27 PM
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#4
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Senior Member
Join Date: Aug 2020
Location: Big Springs
Posts: 197
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Quote:
Originally Posted by wiredgeorge
Paul, if this is a 50A camper your bedroom vent may be wired/braced for a 2nd A/C. If so, the easiest install is to install the second A/C without going through the thermostat and using manual controls but if you want to use zone 1 and zone 2 via the thermostat, make sure you buy the same brand as it will likely be more suitable for being controlled by that thermostat. We added a portable 14.5K BTU to augment our 15K BTU Dometic on the roof.
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The bedroom is wired for it and the breaker is already in the box. The ceiling is low enough to just use the controls on the inside part.
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07-29-2021, 08:30 PM
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#5
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Senior Member
Join Date: Aug 2020
Location: Big Springs
Posts: 197
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Quote:
Originally Posted by wogg
I would recommend you look into putting a mini split A/C into your rig. They are much more efficient and cool much better and quiet enough that you don't even know it is running.
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This thing has 4 slide outs so between the cabinets and the moving walls there’s not too many places to mount it, to say nothing of plumbing it and mounting the outside portion.
But thanks for the idea. 👍
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07-29-2021, 08:35 PM
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#6
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Senior Member
Join Date: Nov 2017
Location: Picacho, Az
Posts: 6,809
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The manufacturers should never build a 30'+ rv with only 1 a/c.
In my opinion they should both be 15k units & 1 should be a heat pump.
__________________
Full-timed 10+ years
Sold '13 Redwood FB
Traded '13 GMC Denali DRW D/A
Replacement undetermined
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07-30-2021, 04:29 AM
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#7
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Senior Member
Join Date: Apr 2012
Location: Portland, OR
Posts: 4,223
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Quote:
Originally Posted by travelin texans
The manufacturers should never build a 30'+ rv with only 1 a/c.
In my opinion they should both be 15k units & 1 should be a heat pump.
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Well we have a 32' 5er and currently in central Oregon and a single AC is keeping us pretty comfortable, interior temps get to about 76 as outside temps get to 100. Our current site has partial shade, yes a second AC means the main would not work as hard.
We hosted on the coast and Willamette Valley for several years and didn't have a need.
__________________
Russ & Paula and Belle the Beagle.
2016 Ram Laramie 3500 DRW 14,000# GVWR (New TV)
2005 Copper Canyon 293 FWSLS 32’ GVWR 12,360
Visit and enjoy Oregon State Parks
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07-30-2021, 04:42 AM
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#8
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Senior Member
Join Date: Aug 2020
Location: Winnipeg
Posts: 139
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Quote:
Originally Posted by BookPaul74
So I just got back from a three day trip to Scottsbluff, NE for cataract surgery. It was in the high 90’s to just over 100 degrees. The one A/C was not really keeping up midday to sunset when the sun was full on.
It’s a 337fls 2014. The hallway was showing 97 degrees with the thermostat set at 74. The front living room on the shaded side with a tower fan running was comfortable.
So if I’m going to use it during the summer it looks like I’ll need a second A/C.
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You may need one, but before you spend the cash…pull all the grills off and check for blockages. Also check the divider between the supply and return sides above the main grill. It should separate the two with no leaks. Check my thread here and also the link that I posted in it. https://www.keystoneforums.com/forum...ad.php?t=48171
__________________
2010 Cougar 26SAB, 2017 F-250 Superduty gas. B&W Companion hitch.
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07-30-2021, 07:11 AM
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#9
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Senior Member
Join Date: Nov 2017
Location: Picacho, Az
Posts: 6,809
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Quote:
Originally Posted by rhagfo
Well we have a 32' 5er and currently in central Oregon and a single AC is keeping us pretty comfortable, interior temps get to about 76 as outside temps get to 100. Our current site has partial shade, yes a second AC means the main would not work as hard.
We hosted on the coast and Willamette Valley for several years and didn't have a need.
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I agree there are places that a 2nd a/c wouldn't be needed. From my experience that those places DO get warm & when it does that main a/c never shuts down til about an hour before daylight for about an hour then fires up again to run non stop all day. We've been to places that the 2 a/cs in a 38-40' 5th wheel NEVER shut off the entire stay to keep the interior at about 80 degrees with 2-3 fans running.
Quite honestly I've never heard/read of anyone complaining they have "too much a/c!".
I'd rather have it & not need it than to need it & not have it! Or worse yet is find you need it & can't add it without a total remodel of the rv.
__________________
Full-timed 10+ years
Sold '13 Redwood FB
Traded '13 GMC Denali DRW D/A
Replacement undetermined
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07-30-2021, 08:02 AM
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#10
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Senior Member
Join Date: Nov 2017
Location: Mico, TX
Posts: 7,467
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The need for cool and via an air conditioner(s) is subjective; some folks like the sauna environment. Fat ol' boys like me, well, not so much.
__________________
wiredgeorge Mico TX
2006 F350 CC 4WD 6.0L
2002 Keystone Cougar 278
2006 GL1800 Roadsmith Trike
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07-30-2021, 08:24 AM
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#11
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,996
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Quote:
Originally Posted by wiredgeorge
The need for cool and via an air conditioner(s) is subjective; some folks like the sauna environment. Fat ol' boys like me, well, not so much.
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Yep.... When we first moved back to Michigan (from Louisiana) we wore jackets every night in July... Now, we're taking those jackets off in April when it gets above 50F... We don't need a second A/C around here and we've learned (the hard way) about not towing to south Texas, Louisiana, the entire Gulf Coast or the desert (high or low) in the summer....
We built our house without central air (didn't need it with jackets) and then transitioned to a window unit a couple years after that. It took 5 years before we turned to each other, said, "Damn, it's hot in here" and installed the central air.
It's all about being acclimated to what's comfortable and a very individual thing for each of us.
__________________
John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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07-30-2021, 09:08 AM
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#12
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,752
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Reminds me of my childhood. My best friend's family that lived across the street were from SC. In the heat of summer his father would be mowing the grass wearing long sleeve coveralls and not breaking a sweat (90+ deg and 70%+ humidity). My father would be sweating like a mule pulling a coal wagon.
__________________
Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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