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Old 08-17-2016, 10:51 AM   #1
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Completely Off Grid

So I. Getting a custom Class A diesel RV. Since it's custom I would only want skinny windows on top sides of RV. I plan to maximum the roof and sides with solar and lots of battery banks.

Is it really possible to be 100 percent off grid such as to run my full size fridge/freezer, lights and TVs on solar? Lights would be off most times and I wouldn't travel much, just to different camp sites every few weeks over summer.

Thoughts on going completely on solar?
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Old 08-17-2016, 10:56 AM   #2
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Hi ! Welcome to IRV2! We're sure glad you joined the gang!

Sorry I can't help with your questions!

Good luck, happy trails, and God bless!
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Old 08-17-2016, 10:57 AM   #3
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The biggest issue would be trying to run an air conditioner with your batteries only being charged by solar.
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Old 08-17-2016, 11:08 AM   #4
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Read this excellent blogger's upgrade for heavy-duty use of solar and using lithium batteries. Note that's it's in four parts - start at the beginning:

Solar Power €“ Wheeling It

Why are you choosing those kinds of windows? To me, it would be claustrophobic.


Definitely include a built-in generator in your custom Class A. You'll probably need it at times and you won't be able to sell the motorhome without it.
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Old 08-17-2016, 11:52 AM   #5
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The biggest issue would be trying to run an air conditioner with your batteries only being charged by solar.
That's not a deal breaker for me. I would just put up a few ceiling fans and if need be and use air conditioner via propane (so i wouldn't be 10 percent off grid).
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Old 08-17-2016, 11:55 AM   #6
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That's not a deal breaker for me. I would just put up a few ceiling fans and if need be and use air conditioner via propane (so i wouldn't be 10 percent off grid).
How do you run an air conditioner via propane?
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Old 08-17-2016, 11:55 AM   #7
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Read this excellent blogger's upgrade for heavy-duty use of solar and using lithium batteries. Note that's it's in four parts - start at the beginning:

Solar Power €“ Wheeling It

Why are you choosing those kinds of windows? To me, it would be claustrophobic.


Definitely include a built-in generator in your custom Class A. You'll probably need it at times and you won't be able to sell the motorhome without it.
Thanks and yes I would have a generator for emergencies but I was thinking since the RV has underneath storage I would overload it with battery banks
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Old 08-17-2016, 12:55 PM   #8
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Where and when do you plan to camp? Lattitude, time of year, shading, climate - all factors that impact solar production.
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Old 08-17-2016, 12:58 PM   #9
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Originally Posted by Madmax57 View Post
....Is it really possible to be 100 percent off grid such as to run my full size fridge/freezer, lights and TVs on solar?
Thoughts on going completely on solar?.....
It's just math....... looks like you need to do some research.

Might start here;

https://handybobsolar.wordpress.com/
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Old 08-17-2016, 02:31 PM   #10
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I don't know how many batteries you are going to add in the storage areas, but keep in mind the additional weight. All the batteries, solar panels, and wiring add a lot of extra weight.
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Old 08-17-2016, 04:27 PM   #11
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Check out some boating web sites.

I've been running off grid for years in my 35 ft trawler.

Residential fridge, Sat TV, small microwave, computers and phone chargers.

If I need AC, I run a Honda eu2000 generator for my 8000 BTU, aft cabin AC.

I have 675 watts of solar, 8 200 AH, 6 volt batteries and a Xantrex 2000 watt inverter.

We spend the winter in the Florida Keys, on anchor. Only during the shortest days and some cloud cover, do we need to run the Honda for charging. A few hours every 2 or 3 days get us thru the short winter days. The other 3 seasons, we drain the Honda and cover it up, except when AC is needed.
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Old 08-17-2016, 04:34 PM   #12
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You will indeed overload the coach!

Quote:
Originally Posted by Madmax57 View Post
Thanks and yes I would have a generator for emergencies but I was thinking since the RV has underneath I would overload it with battery banks
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Old 08-17-2016, 05:30 PM   #13
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Unless you pull a trailer full of solar panels and batteries you will never be 100% off grid. Of course you could wave all the modern day amenities and go little house on the prairie style.
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Old 08-17-2016, 05:57 PM   #14
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Unless you pull a trailer full of solar panels and batteries you will never be 100% off grid.
Sure you can. Many full-timers do it. We've done it as long as the holding tanks hold out - usually two weeks. We only had 300w solar which was plenty for us in the West. We didn't need AC because we traveled according to temperature.
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