12 Volt AC Systems

I know people have asked about electric ac in the past. I came across Rustimods the other day and their project Willys wagon on a jeep TJ frame powered by a VW TDI. They gave the link to this a/c system on E Bay https://www.ebay.com/itm/195786348774?hash=item2d95c698e6%3Ag%3AzrUAAOSwjrlkcHlA&amdata=enc%3AAQAIAAAA8K9GN4RXmfo3AcOT49Pz9kjEw1RLOgTK%2FpfAg3s7mId8WBxGGfdUCrszsSVC%2BfVBfxDyVpL7d2WvKdq8VJb%2Fc9uhrYtxU8j6H8FP3hbt%2FaOyNhQwdh23oba%2FLYQw%2BbMM816HX3Uq%2B%2FZzGN7cW6GOLaq6da6uk0VgayCxkTHzbh80WZdHzir3siyXHQTH9E17ofD2J499RJcaMIQSPJfFlifCvoCdjWXkNEoyQSRbgzKM83RFiBn%2BbjkwcXG3hZvWD5r6%2FE8eUXCif8sC9oI6v2miLEyaDJAAqffY3K2leSZyzJV8VCQS1Nbw09%2FUOhCl3g%3D%3D%7Ctkp%3ABk9SR76htsiPYg

Dare one say knowledge can be cool.

do you have the Rustimods link ?

My buddy want to put something like that in his VW camper

Thanks

This is the link to the Willys saga beginning https://www.youtube.com/watch?v=8vmvGOVuYE4&list=PL2ir7KcEDJ1W4WXKAxmtKLh2onys_yErX  If you search Rustomod on YouTube you can see there other projects

The amp draw of those kits is pretty high (and this published spec seems low for 3500-6000BTU cooling).  Published specs is 550-600W, 600W at 12V is 50A.  You can make them run, but you definitely need a high amp alternator and some big wiring.  Advantage is if you have big enough batteries you can run the A/C for a few hours with the engine not running which is a neat feature.  

I would plan on everything being pure Chinesium, which means the lines will leak, the fittings will be softer than overcooked ramen, the wiring will be thinner than thin, and the parts will all be impossible to source replacements for.  

Same ideology of making an electric supercharger work.  Like yeah it will work with enough electrical draw.  

There is an electric AC for  Big trucks with sleepers , many Truck stops do not let the truckers idle all night to keep the AC going , 

Not sure what they do about Trucks that have Ice Cream etc as the cargo !

californiamilleghia said:

There is an electric AC for  Big trucks with sleepers , many Truck stops do not let the truckers idle all night to keep the AC going , 

Not sure what they do about Trucks that have Ice Cream etc as the cargo !

The trucks you see with the A/C on and the engine off do it one of two ways:

• Plugged in to shore power
• APU (auxilliary power unit, fancy name for a small diesel generator)

Same with reefer trailers - either plugged in or on the APU.  Reefer cars have their own little fuel tanks and diesel engines to run the refridgerators or freezers.

Trucks also have the advantage of being big, with big engines, big batteries, and plenty of room for the big wire required to run one of these units. 

californiamilleghia said:

do you have the Rustimods link ?

My buddy want to put something like that in his VW camper

Thanks

For $250 more, you can get a complete A/C unit- https://us.ecoflow.com/products/wave-2-portable-air-conditioner?variant=41106590990409&currency=USD&utm_medium=product_sync&utm_source=google&utm_content=sag_organic&utm_campaign=sag_organic&g_campaign_id=21209943723&g_adgroup_id=&gad_source=1&gclid=CjwKCAjw_Na1BhAlEiwAM-dm7KH3kAo2fb91a-qgG0LuHhlFzdoJYJYP6QArX6ODoqb5yRh-SmdS3RoCdx4QAvD_BwE

But this is more to show that there exists a 12V A/C system that is available on the market.  Still have to deal with the air inlet and exhaust to the heat pump.  By doing the kit, you can put all of that outside and just have the cooling part inside.  

We have a 10k BTU portable unit in our camper, and the data on that would track the claims in terms of power.  As well as all of the data I've seen posted about the above linked a/c unit.

Something like this would be really interesting in our camper, too.

In reply to alfadriver :

I consider my use here as being in the role of a librarian helping a student who has to write a paper - I'll help you find the books I ain't reading them or writing the paper.

For the RV'ers, these may be more appropriate https://www.amazon.com/shop/cheaprvliving/list/1VJGJYBU431VA?&linkCode=sl2&tag=cheaprvliving.com-20&linkId=245770d8e5165d9804f31e4006738ee0&language=en_US&ref_=as_li_ss_tl

93gsxturbo said:

californiamilleghia said:

There is an electric AC for  Big trucks with sleepers , many Truck stops do not let the truckers idle all night to keep the AC going , 

Not sure what they do about Trucks that have Ice Cream etc as the cargo !

The trucks you see with the A/C on and the engine off do it one of two ways:

• Plugged in to shore power
• APU (auxilliary power unit, fancy name for a small diesel generator)

Same with reefer trailers - either plugged in or on the APU.  Reefer cars have their own little fuel tanks and diesel engines to run the refridgerators or freezers.

Trucks also have the advantage of being big, with big engines, big batteries, and plenty of room for the big wire required to run one of these units. 

Some semis now even have an "APU" that is just a big (like electric sportbike size) lithium battery pack that charges up when the engine is running and goes in the same space the traditional APU would.

here is a company making them for old Porsche 911

www.classicretrofit.com