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Author Topic: Solar AC  (Read 49 times)

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Offline CG

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Solar AC
« on: September 05, 2023, 10:50:42 am »
Thought this might work.
Can you think if any improvements?
Might be reversible for heating too.
« Last Edit: September 05, 2023, 04:21:25 pm by CG »
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Online Caleb

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Re: Solar AC
« Reply #1 on: September 05, 2023, 01:13:58 pm »
A swamp cooler with airflow powered by the sun ... looks like it should work.
You may have seen this guy's work.  He uses a desiccant.
https://youtu.be/7w4rg3UcsgI?feature=shared
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Offline CG

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Re: Solar AC
« Reply #2 on: September 05, 2023, 04:12:16 pm »
Except this does not humidify the air like a swamp cooler does.
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Offline CG

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Re: Solar AC
« Reply #3 on: September 05, 2023, 06:28:14 pm »
No desiccant needed on this one.
« Last Edit: September 05, 2023, 10:21:46 pm by CG »
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Online Caleb

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Re: Solar AC
« Reply #4 on: September 06, 2023, 05:38:54 am »
Or you could have an open system where the heat exchange water gets exposed to the air.  Some of it evaporates and dumps heat to the air, and the cool water that falls to the bottom gets pumped through the heat exchanger.



https://www.mechanicalbooster.com/2020/03/what-is-cooling-tower.html?expand_article=1
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Offline CG

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Re: Solar AC
« Reply #5 on: September 07, 2023, 09:22:38 am »
Taking that design idea into this one. Requires less tubing.
The pumps and fans are solar powered.
6" pvc pipe
« Last Edit: September 07, 2023, 11:01:15 am by CG »
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Online Caleb

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Re: Solar AC
« Reply #6 on: September 07, 2023, 01:35:08 pm »
It's time for an experiment.  :-)
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Offline CG

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Re: Solar AC
« Reply #7 on: September 07, 2023, 03:45:18 pm »
Today is not going well in "THE LAB" 😢
The flashing Qx5252f stopped and I can't get it going again. 😢😣😭
My ribs are over done, the French fries are under done, the dog won't go...... Argh!
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Online Caleb

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Re: Solar AC
« Reply #8 on: September 07, 2023, 04:02:20 pm »
Ouch!  Tough day!
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Offline CG

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Re: Solar AC
« Reply #9 on: September 07, 2023, 06:37:38 pm »
Lol, not really. It worked out, except the flash. It would help if I knew why it flashes and why it doesn't. Real finicky, I think it's real fussy on battery voltage and internal battery resistance.
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Offline CG

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Re: Solar AC
« Reply #10 on: September 08, 2023, 09:17:24 am »
I checked pvc pipe prices and it would cost close to $75 to make this design.
Maybe I could make one like Desertsun02 on yt made.
https://youtu.be/VO0rbWxWzuw





« Last Edit: September 10, 2023, 09:24:53 am by CG »
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Offline Jswm

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Re: Solar AC
« Reply #11 on: September 27, 2023, 12:21:55 pm »
The only thing I can say about this is, when  I was in  hvac  school  I was taught that you  can't  cool a home  with  air warmer than  50 degrees. 
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Offline CG

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Re: Solar AC
« Reply #12 on: September 27, 2023, 07:26:00 pm »
Yeah. I think this is a "personal" AC
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Offline CG

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Re: Solar AC
« Reply #13 on: September 28, 2023, 10:24:52 am »
I also think that that depends on the house insulation and how much 50 degree air you have.
If you replace all the 80 degree air in your house with 50 degree air, I believe you've cooled the house to 50 degrees.
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