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Old 12-05-2018, 05:49 AM   #29
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Ford Super Duty Owner
Join Date: Nov 2014
Location: NW Ohio
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Is the 13k enough to keep the coach adequately cool during the summer months?
Maybe, Depends where you're summer months are and also what you do to help keep cool..

From my old 2001 Mirada blog site:

In June, we took a trip out to Pheonix, AZ. Outside air temperatures climbed to 115 during the day.
Our single roof mounted A/C (13.5k BTU) unit was able to keep the inside of the Mirada at a nice comfy 75 degrees all day. Having a nice white clean roof contributed to this..

I attribute this to three things we did to the motorhome:

Roof clean and re-coated white:

Re-coating EPDM roof – 2001 Coachmen Mirada 300QB

Improved airflow from our ceiling A/C unit:

Beat the heat – Improving air flow from the air conditioner ceiling unit – 2001 Coachmen Mirada 300QB

Tinted windows and covers to reduce outside heat from getting in:

Window tint and window covers – 2001 Coachmen Mirada 300QB


1999 Fleetwood Southwind 35S (Ford F53 6.8L V10 4R100) - Toad 2003 Saturn Vue.

It won't do MACH 2, but I can get a sandwich and take a pee.
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Old 12-05-2018, 10:31 AM   #30
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Originally Posted by Kraken View Post
The industry standard for AC is any unit 27 foot or longer needs two AC's. From years of reading these forums I believe it to be true. My 31 foot Greyhawk has two and am real happy with it even when the temps are over 100 degrees.
I didn't think the RV industry had "ANY" standards. 🤔

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Old 12-06-2018, 11:47 AM   #31
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Originally Posted by Cat View Post
I didn't think the RV industry had "ANY" standards. 🤔
They actually do, but their not advertised, and certainly not adhered to in most cases. They make more profit with one air conditioner than two. It's the same with the safe wheelbase to length issue. Widely ignored.
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Old 12-06-2018, 04:07 PM   #32
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Thank you so much!
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Old 12-07-2018, 07:05 PM   #33
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Originally Posted by wildtoad View Post
Simple answer is no. Get the 15k. Mine has a 15k and as long as I have shade it does a decent job. Start early running the AC. Only time I have had problems is with direct sunlight, all day, on a hot day.

Yes. Get the 15K. Little difference in price.

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