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Old 06-28-2016, 06:41 PM   #1
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Atwood Air conditioner

We purchased our 2016 Forest River FR3 in February. We went on our first week long trip this month. The temperature outside was n the 90's but the coolest temp that our Atwood 1500 Btu would reach was in the mid 80's indoors. We covered almost all the windows with insulation and the above vents and still it didn't help but just a degree or two. Shouldn't the air conditioner be sized for the amount of space it cools?
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Old 06-28-2016, 07:10 PM   #2
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15K is equal to 1 ton of AC which should be good for 500 sq ft. Make sure you are starting your unit prior to the interior reaching 80* The earlier you start it the better you will be good luck.
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Old 06-28-2016, 07:13 PM   #3
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What size FR3? How many A/C units?
I wouldn't expect a single unit to adequately cool a longer one in that heat.
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Old 06-29-2016, 08:10 AM   #4
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Helps quite a bit

We have a 30DS. We have found that if we close off the bedroom, the air conditioner does a much better job. We then open everything back up around 7:00 pm when it is cooler outside. When it gets really hot, we bring in the living area slider and that seems to do the trick. Not the best answer, but it is what we have come up with on our 2 month long summer trip. We will be looking into a second air conditioner when we get back home. The 32 foot model has two.
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Old 06-29-2016, 08:36 AM   #5
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Originally Posted by SeaDog View Post
15K is equal to 1 ton of AC which should be good for 500 sq ft. Make sure you are starting your unit prior to the interior reaching 80* The earlier you start it the better you will be good luck.
We do not turn the unit off once we get to the camp ground. We even run the generator and air while we are setting up. Looks like we are going to have to add another air conditioner. . Thank you for your reply!
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Old 06-29-2016, 08:45 AM   #6
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Originally Posted by Finch View Post
We have a 30DS. We have found that if we close off the bedroom, the air conditioner does a much better job. We then open everything back up around 7:00 pm when it is cooler outside. When it gets really hot, we bring in the living area slider and that seems to do the trick. Not the best answer, but it is what we have come up with on our 2 month long summer trip. We will be looking into a second air conditioner when we get back home. The 32 foot model has two.
That's odd, our FR3 is a 30DS but the paperwork says it's a 32'. I know one dealer said the 30 use to mean 30' but not anymore. If the 32' has two units then I wonder why the 30DS doesn't. I'll look into this! Thank you!
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Old 06-29-2016, 08:56 AM   #7
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We do not turn the unit off once we get to the camp ground. We even run the generator and air while we are setting up. Looks like we are going to have to add another air conditioner. . Thank you for your reply!
I just read and the 32DS is a 33'. That explains it now!
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Old 06-29-2016, 06:17 PM   #8
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I was out in 90 degree weather maybe two weeks ago and the AC on my 2016 fr3 worked well when it was put down to 70. Can't explain but I figured I give my two cents.
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Old 06-29-2016, 10:09 PM   #9
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just had a 2016 30ds (18,000 btu atwood) out in mid 90 heat with high humidity. ran air 24 hrs a day ( got ahead and stayed ahead of the game). installed reflectix in front window against glass, then set shade down. installed reflectix on back window, then shade down. installed 3 camco vent insulators. set thermostat to 69 with fan ON all the time mostly on LOW,and once at medium. everything stayed cool. If you need to, open quick air dump vents right at ac and DO NOT go thru ducts as that restricts air flow. You should be able to keep the bedroom door open.

One final thing, the RV was east to west lengthwise, things may have been different if the RV was north to south.

the main thing here is you mentioned 15,000 btu, not 18,000 btu.
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Old 06-29-2016, 10:11 PM   #10
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btw, your lengths reference the ladder depth too i believe.
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