Battery-powered AC units for truckers...? - Page 2 - Fiberglass RV


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Old 07-16-2015, 05:23 PM   #15
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Battery-powered AC units for truckers...?

I'm not focused on trying to have a battery powered a/c. But the 7000 btu split unit seems like the ideal a/c for my desires. It just fits the ideal plan in my mind. Very small outside unit with multiple mounting options, small hole needed to run the connection through (I have no a/c so no big hole in the fiberglass yet) and fairly small inside unit with ducting options.

http://www.dometic.com/USA/MS-9629-T...ondensing-Unit

Sadly I couldn't find it for sale anywhere online to check the price. I think it's going to be crazy expensive. It's the top of my list so far in my search for an air conditioning plan from scratch, if it doesn't cost too much. When I get home from 2 trips I'm on, I planned to call around to find out where to purchase these.
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Old 07-16-2015, 05:31 PM   #16
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Originally Posted by patrick crawford View Post
I'd like to hear more about those 12V compressor fridges mentioned several posts up.

p@
12V compressor fridges cool down a very small enclosed volume, about 1/100 of the trailer volume the AC is supposed to cool down.
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Old 07-16-2015, 06:57 PM   #17
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Originally Posted by Ellpea in CA View Post
AHA! At last we have a workable plan! Any thoughts on what's required to keep 1000 squirrels moving at a dead run for 8 hours????

LP
Put a Standard Schnauzer behind them and it becomes a run or die situation!

Heck I'm guessing a Mini Schnauzer probably maintains a strong rodent prey drive too. I'm just not sure they would chase for the full 8 hours, do personally know a Standard that would.
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Old 07-18-2015, 02:28 AM   #18
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Put a Standard Schnauzer behind them and it becomes a run or die situation!

Heck I'm guessing a Mini Schnauzer probably maintains a strong rodent prey drive too. I'm just not sure they would chase for the full 8 hours, do personally know a Standard that would.

RogerDat, good to know! If my current experiment with hamsters doesn't work out, I'll definitely look into the squirrel/Standard Schnauzer angle!

LP
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Old 07-18-2015, 07:38 AM   #19
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You guys and ladies may be laughing, but in Bath, U.K. in an 18th century restored home, there is a dog powered wheel that is used to turn a meat spit in a kitchen. Best part. it is located above the fire, if the dog stops running, it becomes dinner for the help....LOL
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Old 07-31-2015, 02:54 PM   #20
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For those who might come across this post and wonder about these type of Dometic units, I did call and get a price quote from a supplier. I was interested in the Blizzard Split System Air Conditioning

The price I was given for everything needed was $4,515. Um Wow. I guess I'll be working on finding my favorite way to install a window unit. Too bad, this thing looked like a great way to put A/C in these small trailers.

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Old 06-23-2016, 01:35 PM   #21
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upto date now on the thread and can only say WOW
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Old 06-23-2016, 08:38 PM   #22
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Originally Posted by Bob Miller View Post
You guys and ladies may be laughing, but in Bath, U.K. in an 18th century restored home, there is a dog powered wheel that is used to turn a meat spit in a kitchen. Best part. it is located above the fire, if the dog stops running, it becomes dinner for the help....LOL
Geez, I miss Bob Miller.
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Old 06-23-2016, 09:01 PM   #23
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One of the Oliver Owners is running his 13500 BTU AC completely off his batteries. As long as he has full sun, his 360 Watts of solar are putting in more amps than the AC takes out. Even with no sun the 675 amp hours of battery storage will keep him running a long time.

As you know it only takes about 12.5 amps to run the AC after the compressor is started. It's the 60+ locked rotor amps that it takes to start it that is the killer. He has discovered a work around for that and is happily staying cool in the Florida heat.
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Old 06-23-2016, 10:07 PM   #24
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Dc air

After further testing of the dometic fresh jet 3500 btu air conditioner on the HC1 we have decided that it is the best and well suited to use on the trailer. At 40 lbs it is the lightest and has the smallest footprint on the market. The unit will cool a 13 foot trailer in the calafornia heat to a comfortable temperature but will not turn the trailer into a icebox like the larger units did . Although it is an expensive unit it has a lot of features that other units don't .it has a dehumidifier , heat, led lighting and the ability to run on dc power with the inverter built specifically for the unit. This air conditioner works well with our trailer and I am not endorsing it for a larger trailer as we have not tested it on anything larger .
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Old 06-24-2016, 01:45 PM   #25
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After further testing of the dometic fresh jet 3500 btu air conditioner on the HC1 we have decided that it is the best and well suited to use on the trailer. At 40 lbs it is the lightest and has the smallest footprint on the market. The unit will cool a 13 foot trailer in the calafornia heat to a comfortable temperature but will not turn the trailer into a icebox like the larger units did . Although it is an expensive unit it has a lot of features that other units don't .it has a dehumidifier , heat, led lighting and the ability to run on dc power with the inverter built specifically for the unit. This air conditioner works well with our trailer and I am not endorsing it for a larger trailer as we have not tested it on anything larger .
Hi mike,

Have you had any experience running it from solar? Thanks!
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Old 06-25-2016, 04:45 AM   #26
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Originally Posted by Steve Outlaw View Post
One of the Oliver Owners is running his 13500 BTU AC completely off his batteries. As long as he has full sun, his 360 Watts of solar are putting in more amps than the AC takes out. Even with no sun the 675 amp hours of battery storage will keep him running a long time.

As you know it only takes about 12.5 amps to run the AC after the compressor is started. It's the 60+ locked rotor amps that it takes to start it that is the killer. He has discovered a work around for that and is happily staying cool in the Florida heat.
Something wrong here Steve. An air conditioner drawing 12.5 amps is using power equal to 12.5 x 120 or 1500 Watts. The use is much greater than the 360 Watts provided by the solar. Further, 12.5 amps alternating current would require125 amps DC into a 12 volt to 120 volt inverter. While 675 amp-hrs is quite the battery set up, I don't see how it could meet that demand. There is something your friend is leaving out. Raz
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Old 06-25-2016, 06:53 AM   #27
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Hi mike,

Have you had any experience running it from solar? Thanks!
Yes all of our testing is with a 100 watt flex panel.
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Old 06-25-2016, 07:16 AM   #28
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Yes all of our testing is with a 100 watt flex panel.
I don't mean to ruin the party but..... Thirty five hundred BTU equates to 1025 Watts. At 12volts that would require 1025/12= 85 amps. You might get 5A. out of a 100 watt panel. Even with golf cart batteries, that's a heavy drain. Like Steve's, the numbers don't seem to add up for battery operation? What am I missing here? Raz
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