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Open Roads Forum  >  Travel Trailers  >  General Q&A

 > Is a 13,000 BTU AC enough for a 22' trailer?

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dodge guy

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Posted: 05/10/19 09:27am Link  |  Quote  |  Print  |  Notify Moderator

As was said the 13.5 will be OK, but given the option I would go bigger. It will cool off faster and maintain temp better.


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Posted: 05/10/19 02:55pm Link  |  Quote  |  Print  |  Notify Moderator

We had a 25’ TT with a slide and 13.5K AC. Even in 100 degree days, no problems.


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Atlee

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Posted: 05/10/19 10:01pm Link  |  Quote  |  Print  |  Notify Moderator

I have a 23' Jayco 23RB. The 13.5k BTU A/C keeps the trailer plenty cool. You should be fine with that size.

Now, if I were special ordering a new TT, even of my current size, I'd go ahead and op for a 15k unit.

Said another way, a 13.5k unit would never be a deal killer, but if I had a choice, I'd opt for the 15k unit.


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Jetstreamer

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Posted: 05/13/19 07:35pm Link  |  Quote  |  Print  |  Notify Moderator

The smaller unit might be easier for a portable generator to handle if there will be any future dry camping... we had a 24’ trailer with a 13.5 in it and you could hang meat inside.

wowens79

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Posted: 05/13/19 08:50pm Link  |  Quote  |  Print  |  Notify Moderator

We've got a 29' box with only a 13.5, and it does ok. At the beach with no shade and mid day temps around 97-98, it could not keep up, and the inside temps got to the mid 79's.

I found lots of heat coming through the bathroom. I cut foam to fit in the skylight, and vent opening, and that made a huge difference.


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Atlee

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Posted: 05/14/19 04:34am Link  |  Quote  |  Print  |  Notify Moderator

To OP, For your size TT, 13.5K will work fine.

Our Jayco 23RB is 23.3' long box, (280"), or 187 sq ft, and the 13.5k A/C cools it just fine. I don't know if being ducted forward to the bed area, to the bathroom in the rear, or the living/galley area in the middle helps with the overall cooling or not.

If I were ordering one brand new, I'd go ahead and opt for the 15k unit, since that option at Jayco was only about $150 more and a little more never hurts.

BillyBob Jim

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Posted: 05/14/19 04:45am Link  |  Quote  |  Print  |  Notify Moderator

Atlee wrote:


If I were ordering one brand new, I'd go ahead and opt for the 15k unit, since that option at Jayco was only about $150 more and a little more never hurts.


A cheap upgrade, was a $181.00 option from Flagstaff two years ago for a Coleman and not Dometic garbage.

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kfp673

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Posted: 05/14/19 12:24pm Link  |  Quote  |  Print  |  Notify Moderator

It will be more than enough. No problem! I have a 15K on a 35' trailer. Takes a while to cool but keeps it plenty cool after that even into 90 degree days. My old 30' had a 13.5 and same thing. You will be fine

trail-explorer

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Posted: 05/14/19 02:02pm Link  |  Quote  |  Print  |  Notify Moderator

13.5k is sufficient.


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Posted: 05/14/19 03:41pm Link  |  Quote  |  Print  |  Notify Moderator

wayfun wrote:

We are considering a Flagstaff Micro Lite 21ds. The standard AC is 13,000 btu? Is that adequate or should we upgrade to the 15,000 unit?

Thanks,
Dennis


Check the price of the upgrade. When we ordered our 35 ft trailer it was only like $150 to upgrade to the 15K AC. Glad we did. We had the 13.5K unit in our old 25 ft trailer and it could barely keep up on a very hot day.


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