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Old 05-23-2013, 08:18 AM   #15
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I run the gen. then it can also power the fridge also instead of burn propane. With my 7500 Onan which has variable speed option it's nice because if there is not much of a load on the gen. it idles down.

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Old 05-23-2013, 06:39 PM   #16
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If just 2 adults in a Class C and both are willing to ride up front, you can drape a clear shower curtain down from the overhead bed and create a "cab". This will keep one cool from the dash air in all weather. Makes for a quieter ride as well.

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Old 05-24-2013, 05:24 AM   #17
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We've found (in our C) that merely opening the roof vent in the bathroom and propping the door open draws more than enough air down the back to keep the whole coach comfortable with just the dash a/c.

It works on the stratification principle, the cool a/c stays low, the hot air rises to the ceiling where it can be vacuumed out the roof vent.
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Old 05-24-2013, 06:50 AM   #18
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I have an 05 Dolphin with basement air and I have found that I get the same milage running my generator and A/C as I do running the dash air but the house A/C unit does a better job of cooling. Remember running your dash air uses more fuel too.
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Old 05-24-2013, 01:44 PM   #19
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This week we headed south to Hilton Head, SC. While running in the morning I just used the dash AC. In the warmer afternoon, ran the dash AC along with the generator powering both rooftop A/C's. Whatever it takes to be comfortable, and I much prefer to drive a cool coach over a warm one.

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Old 05-24-2013, 08:10 PM   #20
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Well I guess I'm lucky because my dash air works really well. In 85 degree weather I have to sometimes turn it down or off for a bit because we get cold with it blowing directly on us. If I got hot I would turn anything on I had to. Can't stand to be hot or cold. Getting to old not to be comfortable
I'm cold natured and DW is hot natured. so we meat in the middle with temperature selection. LOL
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Old 05-30-2013, 07:53 AM   #21
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Prior to firing up the genny, suggest you figure out what setting you need to allow the cab AC to pull in the pre cooled air from within the MH - vs. trying to cool down hot air from outside the coach - a very worthwhile move. On some it's the 'max' setting, others could be different. Whatever, you want the cab AC in 'recirculating' mode. Luckily ours is very effective set this way, but driving into the sun or really warm weather will have us firing up the genny and roof air too. I wouldn't worry about what's best. You're supposed to be having fun, not worrying about something like this. Best is whatever it takes?

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