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Old 08-30-2016, 02:48 PM   #1
boxing_day
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Default Air Conditioner Alternative... Realistic??

So I drive a 78 242, and it does not have AC (from factory). This is tough since I live in Miami. I have been dabbling with the idea of installing ac, which I know is very expensive, but the car is in great shape, and I have something of an emotional attachment to it... but the quotes Ive been getting have been much higher than I anticipated. I was looking around on kickstarter and came across a product, that theoretically I could use instead of an installed AC system for a fraction of the price. It is a portable personal air conditioner:

https://www.kickstarter.com/projects...ble-air-condit

The problem is that this AC system is marked at 1100 BTU. My understanding is that factory AC systems are significantly more powerful, but also that the reason for this is that people want instant cold, and are not willing to wait.

My question is, If my car is parked in a garage, and maintained at a comfortable temperature, then I turn on this unit, and drive somewhere, will this unit be capable of maintaining a lower temperature inside the cabin? Additionally, if my car is parked out in the sun, and i turn on this unit, will it have any chance of cooling down the cabin within a reasonable amount of time? What if I had two of these units (2200BTU)?

Thanks for the feedback
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Old 08-30-2016, 03:48 PM   #2
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Unless I'm forgetting something basic about thermodynamics, A/C units produce heat that is normally exhausted outside. That kickstarter thing wouldn't work in an enclosed area like a car.
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Old 08-30-2016, 03:50 PM   #3
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Old 08-30-2016, 03:55 PM   #4
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What were you quoted for an AC conversion using Volvo parts? To answer your primary question, you can't put one of those "inside" your car and have it do anything but heat the inside of the car to a higher temperature it is already at. AC moves heat from one place to another. That is why you have an evaporator inside the cabin and a condenser outside in the ambient air to expel the heat taken from inside the cabin. Sorry, no amount of "magic pixie dust" is going to change the laws of physics. That isn't a put down of you. I think this product is nothing but a scam. Even if they successfully get the unit to move heat, it can't cool a room by placing it in the room. Read up on how air conditioning works and you will understand what I'm attempting to get across in a short reply.
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Old 08-30-2016, 04:08 PM   #5
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theres an exhaust hose for "enclosed" areas.

OP- I'm sure it will work, but probably not really well. I had something similar in my garage for a few days, it worked for the most part, but the area it said it could/would cool was smaller than a smaller BTU traditional window AC unit.

I would say that doing a normal AC install in your car would be more cost effective than using that. With how many people stripping their AC for performance, you should be able to get this stuff for a pretty good deal.
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Old 08-30-2016, 04:08 PM   #6
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Car A/Cs run around 15-18,000 BTU. an older "well ventilated" 242 would need at least 18,000.

Cars have many holes that people don't think about.
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Old 08-30-2016, 04:09 PM   #7
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Our that in your car with the windows up and you will have yourself a heater.
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Old 08-30-2016, 04:25 PM   #8
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For the same price (or cheaper) you can get a r134 system pieced together from a 91+ 240 that would essentially drop in with a little work. "Hardest" part would be installing the evaporator in your dash. Not difficult...just time consuming really.

Or for $20...you can do what I did as a temporary solution...


Put a couple bags of ice (dry ice works well) in it...and plug the fan into the lighter.

Not fantastically cold...but it works better than I expected it to. I aim the ports towards the front seats...it's a nice cool breeze on the back of the neck.

Let's see your $500 kick starter keep your beer cold at the same time...
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Old 08-30-2016, 04:36 PM   #9
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Uhh please make me one of those coolers. My friends laugh at me for not having AC and this would be a riot.
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Old 08-30-2016, 04:44 PM   #10
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Uhh please make me one of those coolers. My friends laugh at me for not having AC and this would be a riot.
Lol...you want rectangle (like mine) or round (5 gallon bucket) style?

Last edited by 24DinCT; 08-30-2016 at 04:58 PM..
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Old 08-30-2016, 04:49 PM   #11
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You want rectangle (like mine) or round (5 gallon bucket) style?
There are options? I dig it! Instead of just bagged ice, you could freeze small bottled waters. Just remember to leave enough room for your beer.
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Old 08-30-2016, 04:53 PM   #12
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There are options? I dig it! Instead of just bagged ice, you could freeze small bottled waters. Just remember to leave enough room for your beer.
Options are only limited to imagination and space constraints. Could freeze gallon jugs too as long as interior height allows.
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Old 08-30-2016, 04:55 PM   #13
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Do you just seat belt it into to the passenger seat? I like it! You should make a quick guide on how ya did it.
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Old 08-30-2016, 04:56 PM   #14
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https://en.wikipedia.org/wiki/Car_cooler

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Old 08-30-2016, 04:57 PM   #15
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Uhh please make me one of those coolers. My friends laugh at me for not having AC and this would be a riot.


Its as simple as it looks, cooler with a couple holes in it. Works better with a divider that forces the air to hang out by the ice a moment before it goes out the vents. Oh and use empty milk jugs full of water for the ice, they melt slower just dont forget to cut off the jug before you use it
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Old 08-30-2016, 07:17 PM   #16
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Lol...you want rectangle (like mine) or round (5 gallon bucket) style?
For Miami, you'll need a 55-gallon size one.
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Old 08-30-2016, 07:52 PM   #17
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Old 08-30-2016, 08:40 PM   #18
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Cars have a tremendous solar load due to the window area, plus you're driving on a dark surface that bakes in the sun all day, so even a household AC unit won't provide a whole lot of heat removal.
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Old 08-30-2016, 08:46 PM   #19
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Cars have a tremendous solar load due to the window area, plus you're driving on a dark surface that bakes in the sun all day, so even a household AC unit won't provide a whole lot of heat removal.
These people don't think so.
http://egotvonline.com/2013/03/20/a-...unted-in-cars/




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Old 08-31-2016, 10:21 AM   #20
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I was quoted 2800 to install an aftermarket underdash unit and 4200 to hide everything in the dash and have the air blow out the original vents. I had been told in the past by several people to expect a number under 2000... so these prices seemed outrageous to me. Everyone I talk to seems to react similarly when I ask them about installing AC... kind of like a groan and a head shake. I understand its alot of work, but say parts are 1500. At 85/hr for labor, thats 15 hours of labor- for the underdash, and a hell of alot more for taking the dash apart to hide the condenser within.

Its like people are either trying to take advantage of me and my sweaty back from just driving through miami traffic and heat to see them, or they really dont want to do this job for me. I just dont get it.
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Old 08-31-2016, 10:43 AM   #21
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Mostly both.

However, if you read through this site carefully on the subject and post an ad in the classifieds section, I guess you could do the thing yourself for about 200-300$ and a weekend or two, while keeping the car operational.
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Old 08-31-2016, 11:28 AM   #22
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I have a couple of complete late model R-134 AC systems for $350, plus shipping. They are a bolt in deal for the most part. Several members here have bought them from me and upgraded their AC systems by installing them on their own. It isn't that hard if you can turn a wrench and do very minor wiring.
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Old 08-31-2016, 02:56 PM   #23
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Would one of these $350 units bolt onto an '83 turbo?
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Old 08-31-2016, 02:58 PM   #24
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Would one of these $350 units bolt onto an '83 turbo?
If you have every little rat piece, yes.
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Old 08-31-2016, 03:09 PM   #25
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Would one of these $350 units bolt onto an '83 turbo?
The thing to keep in mind here is that in '91 Volvo changed the HVAC box size.

http://forums.turbobricks.com/showthread.php?t=235938
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