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Old 08-20-2014, 04:01 PM   #1
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Roof air vs basement air

Which would work better and which would you rather have?
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Old 08-20-2014, 04:06 PM   #2
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Having had both, I much prefer the basement AC.
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Old 08-20-2014, 05:57 PM   #3
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From my experience the basement air is not near as loud as the roof ACs. A problem with the basement air is if the RV is large the basement air may not sufficiently cool the RV when it is real hot outside.
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Old 08-20-2014, 06:09 PM   #4
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Having had both, I prefer the roof top air. I've had problems with the basement air and it takes up storage room in the basement.
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Old 08-21-2014, 06:23 AM   #5
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The basement air is nice. It is quieter and totals more cooling power than two rooftop units. The condensate drain does not run down the side of the RV either. Having said that, it is harder to find someone knowledgeable to work on it. For that reason I would probably go the roof route next time.
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Old 08-21-2014, 06:44 AM   #6
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I've had both and prefer the basement. Was in 100 degree temps a couple of weeks ago and coach stayed at 74 degrees. Love my basement a/c.
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Old 08-21-2014, 07:03 AM   #7
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I have had both, 2 MH with roof airs and current one with basement air. I much prefer the basement air for all the reasons already posted. This year I stayed out in El Centro, CA until June 14th. Lots of triple digit days! I was comfortable and the basement air kept the motorhome at 78 degrees. There are some reasons for this: 1) I installed lined curtains (swags) behind the Driver's/Passenger seat and would close them around Noon, 2) I have window awnings on all windows, and 3) my MH measures 34' 7". I think the 2 ton basement air is fine for my particular floor plan. The longer units probably tax the unit too much.
As for working on the basement unit, this is a finicky point, but I think valid. It isn't so much that no one can work on them, it's GETTING THEM OUT that is the trick. As one HVAC tech told me, "compressors are compressors, same with condensers and evaporators, if it's an air-conditioner, we can fix it" And regardless of what you will hear, AIREXCEL still makes 'em.
Also keep in mind that I am single and tend to throw out stuff if I haven't used in the past year, so storage is not a issue with me.
Just my 2
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Old 08-21-2014, 12:58 PM   #8
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Quote:
Originally Posted by Texbeachbum View Post
Which would work better and which would you rather have?
I have a basement air on a 36' Itasca and I prefer it. Our traveling buddies have ceiling units and you can't hear yourself think in their coach. Ours is very quiet and usually doesn't have problems keeping cool until it gets over a hundred outside.

Just my $.02 worth.
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Old 08-21-2014, 01:01 PM   #9
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If you can afford to give up the storage space, then basement is probably the way to go.
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Old 08-21-2014, 01:03 PM   #10
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Had both. Hated our basement AC because of the noise at night and more importantly...it didn't work worth a dang. We did everything we could, spent lots of $ and no help. 100* days resulted in temps over 80* in the coach.

That being said, I will NEVER argue with those that have had good results with the basement AC. Clearly it can be effective. We just never figured out why mine didn't.

I think the other downside of a basement AC is loss of storage but how important that is depends on the needs of the buyer.
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Old 08-22-2014, 03:40 AM   #11
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Basement Air. AirXcel has hundreds of service centers listed on their web site who know how to work on them and post all the manuals for those inclined to do their own repairs. 2001 and no problems since installing an AutoFormer to deal with low voltage prevalent at so many campgrounds. Keeps the coach cool on even 100+ degree days here in Florida. Currently however there are no new coaches that have them since the new diesels have come out that use the space on the right side of the coach for EPA equipment. That left only the Adventurer and National gas units with them and National went out of business while Winnebago did not continue them for just one line of gas coaches.

Prefer not having the weight of extra equipment up on the roof and like all the heavy stuff closer to the road with no AC shrouds to get knocked off by low branches. Give you a better handling coach in an emergency such as a blowout. Put even 10 lbs on the end of a 13 foot stick and try to balance it vertical while walking around a corner and then imagine what effect a few hundred lbs or so of AC units that high in the air can have.
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Old 08-22-2014, 04:41 AM   #12
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Originally Posted by Sky_Boss View Post
Had both. Hated our basement AC because of the noise at night and more importantly...it didn't work worth a dang. We did everything we could, spent lots of $ and no help. 100* days resulted in temps over 80* in the coach.

That being said, I will NEVER argue with those that have had good results with the basement AC. Clearly it can be effective. We just never figured out why mine didn't.

I think the other downside of a basement AC is loss of storage but how important that is depends on the needs of the buyer.
All good points. I can't address other manufacturers and what they have done, but Winnebago stopped using basement airs on diesels as that is where they now put the gizmos and doohickies for the now required DEF, so no loss of storage space from that aspect. I don't know why they stopped basement airs on the gassers.
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Old 08-22-2014, 06:07 AM   #13
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Basement air

Have also had both. Like our basement air. Ran it in Florida when it was 95 degrees with 90% humidity and had no issues with cooling. Like not having water running down the side of the RV as well. Also don't have to worry about damage from roof bumping tree branch's and such.
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Old 08-22-2014, 02:47 PM   #14
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If you have a 24,000 btu basement unit and you install 2 15,000 which = 30,000 btu units how does that give you more cooling on the basement unit? From what I understand is the roof units are tied into the same ducts that the basement unit is. You just have 2 units instead of one unit with 2 compressors and coils.
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