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Help find an old thread—Cooling the roof with sprinklers
Posted on 6/25/22 at 6:29 am
Posted on 6/25/22 at 6:29 am
Wasn’t there a thread several years back about someone who put a drip line or sprinklers on the roof to help his AC?
22
Posted on 6/25/22 at 6:33 am to junior
It doesn't work
Posted on 6/25/22 at 6:33 am to junior
I can state that I live in Texas where it's hot as Fuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuck and I've never seen this.
Posted on 6/25/22 at 6:34 am to junior
It works. The store up the road from my house used to do the same thing during the summer. Kept it noticeably cooler.
Posted on 6/25/22 at 6:38 am to junior
A good ole fashion trial and error thread.
Please report back your findings.
Please report back your findings.
Posted on 6/25/22 at 6:39 am to junior
Years ago there was a clothing manufacture in Eunice. Think it was named Jantzen. Big metal roof building and they had a water cooled roof. Not sure how much it helped. Would imagine that modern insulation techniques would be better and cheaper than running water all day.
Posted on 6/25/22 at 6:39 am to junior
I still don’t understand how we have come up with something better for roofs. Shingles that get damaged by hail or the sun, or even just can’t last. How have we not come up with something more affordable, durable, and efficient.
Posted on 6/25/22 at 7:05 am to junior
Not from TD but see these
Item 3
LINK https://home.howstuffworks.com/home-improvement/construction/green/10-ways-cool-roof.htm
LINK https://www.plantengineering.com/articles/consider-evaporative-roof-cooling-to-reduce-your-hvac-load/
Discussion on stack exchange
LINK https://diy.stackexchange.com/questions/847/would-putting-a-sprinkler-on-my-roof-help-cool-my-home#852
Item 3
LINK https://home.howstuffworks.com/home-improvement/construction/green/10-ways-cool-roof.htm
LINK https://www.plantengineering.com/articles/consider-evaporative-roof-cooling-to-reduce-your-hvac-load/
Discussion on stack exchange
LINK https://diy.stackexchange.com/questions/847/would-putting-a-sprinkler-on-my-roof-help-cool-my-home#852
Posted on 6/25/22 at 7:06 am to junior
I remember it. I believe I gave my 2 cents on the subject.
Posted on 6/25/22 at 7:16 am to junior
I’ve seen mist systems that can help your AC run more efficiently. They operate around the unit.
If you are using water to cool your roof then insulation is the problem. You’d be better off replacing the insulation in your attic.
If you are using water to cool your roof then insulation is the problem. You’d be better off replacing the insulation in your attic.
Posted on 6/25/22 at 7:51 am to junior
My redneck neighbor did this and swore by it. 
Posted on 6/25/22 at 8:12 am to junior
It does work.
Our home is East facing West setting, and before we roided out on insulation and upgraded to ductless mini-splits, I would sometimes spray the roof with the hose around 4-5pm; it made a noticeable difference in temperature and therefore comfort inside our home once the evaporative process really gets to working.
Our home is East facing West setting, and before we roided out on insulation and upgraded to ductless mini-splits, I would sometimes spray the roof with the hose around 4-5pm; it made a noticeable difference in temperature and therefore comfort inside our home once the evaporative process really gets to working.
Posted on 6/25/22 at 8:17 am to junior
If putting water on your roof gives you a lot of relief then you need to add more insulation to your attic.
The heat in your attic shouldn't be able to reach the living space.
The heat in your attic shouldn't be able to reach the living space.
This post was edited on 6/25/22 at 8:20 am
Posted on 6/25/22 at 8:26 am to junior
Garcia did my hose.
Posted on 6/25/22 at 10:16 am to junior
My new invention, the "Roof OVER Your Roof", will make this sprinkler invention obsolete.
Posted on 6/25/22 at 10:53 am to junior
Chemical plants used it to cool some critical tanks, especially in PVC resin manufacturing. I was in one plant (ain't there no more) where they had a 50,000 gal storage tank with chilled water and also overflowed with chilled water to keep cool (in Pace, FL) It was also insulated. When the PVC reaction gets going, the hollow agitator blades, hollow baffles, and jacket all get an immediate flow of water to stop the reaction which has to occur in minutes.
Posted on 6/25/22 at 10:56 am to junior
Why do you think that summer showers are called Nature's AC?
How do you think that cooling towers work?
When water evaporates it has a cooling effect.
How do you think that cooling towers work?
When water evaporates it has a cooling effect.
Posted on 6/25/22 at 11:10 am to junior
Why not just have radiant barrier installed?
Posted on 6/25/22 at 12:42 pm to junior
I need to adjust my thermostat, I'm freezing in here.
Posted on 6/25/22 at 1:05 pm to junior
Reflection works. Rent a strong sprayer and coat roof with white acrylic coating. Might look like shite on a house, but it works, lol
Now, whatever you do will reverse in the winter.
Easy cure is to have attic(underside roof areas) sprayed with a foam increasing the r factor.
Cooler in summer, warmer in winter
Now, whatever you do will reverse in the winter.
Easy cure is to have attic(underside roof areas) sprayed with a foam increasing the r factor.
Cooler in summer, warmer in winter
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