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Old 06-09-13, 08:53 AM   #1
Pirate
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Hello, just found the group and signed up. Always looking for green ways to save energy.
Just finished a water cooling system for our 12' x 38' long Lanai (screaned porch)
Before turning it on, the underside of the aluminum (uninsulated) roof pans was 125 deg. After turning the system on for 1 minute, the temp dropped to 86 degrees. That was with an outside temp of 92 degrees.
If I am going to be using the lanai, on hot days, I turn it on when the ceiling temp reaches about 90 deg. I have a timer set to run it for 1 minute, every 15 minutes.
It's well water, that doesn't stink!

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Old 06-10-13, 09:40 AM   #2
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Welcome to the site Pirate.

We would love to hear more about this cooling system. Pictures are always great to see too.
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Old 06-10-13, 11:20 AM   #3
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I ran a 3/4" pvc pipe across the top edge of the roof, with micro sprinkler heads every 4'. A hose goes from there to a irrigation valve, wired to a 24 volt power supply. The power supply is plugged into a digital timer, set to come on for 1 minute, every 15 minutes.
Works good. Just have to take the pipe down and paint it, for sun protection.
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Old 06-10-13, 11:27 AM   #4
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Sounds great, simple, easy to do and seems pretty cheap! How well has it been working for you?
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Old 06-10-13, 03:11 PM   #5
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It works great. I just got home and had it off. The ceiling temp was 125 degrees. The outside temp is 94 degrees.
I turned it on and after 1 minute, the ceiling temp was 90 degrees.
After 10 minutes it was 95 degrees.
After 15 minutes it was 106 degrees.
Then it repeats the 1 minute on/15 minutes off cycle.
I may try off for 12 minutes and see the results.
As it is, we noticed a difference this wk. end while we were in and out of the lanai.
Here is a link to the timer I bought. Ct 1 Digital Adjustable Cycle Timer MIN Max Setting 24 Hours 10 Seconds | eBay
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Old 08-26-13, 03:50 AM   #6
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Hello everybody welcome to this forums. have a nice meeting to all.
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Old 09-08-13, 08:01 PM   #7
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hi welcome

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