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Boondocking running AC 24/7 for 2-3 days. Designing a power system!

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 Hi, I thought you boondockers might be able to help.  Is anyone into the tech side of van or RV power system design?  I want to be able to travel with short muzzled dogs in the summer (outdoor temps of 85-100).  If there are no hookups, I need a way for the vehicle to run AC 24/7 for 2-3 days via a generator I assume or ?  I am starting from the ground up and am willing to buy whatever van or rv that will allow the modifications to do this, however I don’t know where to start.  Basically, boondocking with heat sensitive dogs that need to be kept in 70-71 degrees.  Let me know where I would start. Thank you!

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I'm sure someone will give advice in the technical area but I would like to advise you that you need to plan to have the dogs with you all the time - day and night.  You can't rely on any system running without issues when you're gone and have left the dogs alone.  Even getting some kind of monitoring system so you can keep track remotely as to the temperature inside and be within a short driving range to return and deal with the problem.  Good luck!

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iRV2.com also has a strong forum for technical issues on Boondocking.  Hopefully, someone here will be able to give you a start.

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40 minutes ago, lenp said:

Keep in mind that many parks/areas do not allow generator use 24/7.

Lenp

I believe he's talking about boondocking; not campgrounds.  Boondocking you can run a generator all you want but it would be socially prudent to be parked far away from others and from those using quiet solar.

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Let me give you MY personal experience, I'm still rounding up the solar leg of the system, but here is how it will look.

1st if your starting from scratch, I highly recommend a mini split for the a/c. (in fact I used 2 in my build) They are duty cycled units that don't start and stop all the time. When they due start they come on slowly so they don't hammer your inverter. In fact I can run them both on a 15 amp outlet. plus they are SUPER quiet.

2nd batteries. You can buy a 48 volt nissan leaf pack from a seller on ebay that would run a mini split for a few hours.  you would need to match that with a 48 volt inverter (which is the most efficient of the options) and a set of solar cells that will charge the batteries via an mppt charge controller.

3rd if all else fails and it's raining you can get a generator auto start that will fire up the genny when the interior temp reaches your specified temps. this will also trigger the charger side of the inverter and recharge your battery pack.

All of this needs to be accounted for before you start outfitting your van/truck. you should also add closed cell spray foam to the wall and roof cavities. That way it makes the whole package more efficient.

 

Of course the easy way would be a big battery pack and a 12volt evaporative cooler in the van. If you don't mind the dampness.

 

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