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Adding a mister to your AC unit? Does it work?
Posted on 6/4/18 at 4:37 pm
Posted on 6/4/18 at 4:37 pm
Sample video of someone who mists the coils and fins outside. Is this real or fugazi?
This dude believes it
This dude believes it
9
Posted on 6/4/18 at 4:38 pm to Jimmy2shoes
quote:
mister
Posted on 6/4/18 at 4:38 pm to Jimmy2shoes
Probably better than adding a misses
Posted on 6/4/18 at 4:42 pm to Jimmy2shoes
Dude needs to start believing in weedeaters and lawn mowers
Posted on 6/4/18 at 4:43 pm to Jimmy2shoes
Just put sprinklers on your roof
Posted on 6/4/18 at 4:45 pm to Jimmy2shoes
quote:
Adding a mister to your AC unit? Does it work?
No...snake oil. Do not do this to your condenser. You'll have scaling and corrosion. It will actually shorten the life span of your condenser coil. Install a high efficiency system and keep it clean. It's all you need.
Posted on 6/4/18 at 4:50 pm to MardiGrasCajun
quote:
You'll have scaling and corrosion.
meh....the unit sits outside and is in the rain, etc and these things have filters. So, I don't think THAT argument holds "water".
I would not do it because I do not believe it works and, assuming one is in the south, the Humidity is already likely 90+ in lots of times.
I agree about efficiency, and cleanliness. But, I do not agree on the "corrosion" part.
Posted on 6/4/18 at 5:09 pm to BlackHelicopterPilot
your only benefit would be the evaporative cooling. You would in essence be making a fluid cooler (a closed loop version of a cooling tower)
These only tend to work in dry climates, as the wet bulb temp we see in the south will greatly diminish the heat transfer. Typically a cooling tower sees a 10 degree entering vs leaving water temperature (85/95). So in essence, you condenser coil will think it is operating in at best a 10 degree difference.
No much of an efficiency benefit, but it will see some.
These only tend to work in dry climates, as the wet bulb temp we see in the south will greatly diminish the heat transfer. Typically a cooling tower sees a 10 degree entering vs leaving water temperature (85/95). So in essence, you condenser coil will think it is operating in at best a 10 degree difference.
No much of an efficiency benefit, but it will see some.
This post was edited on 6/4/18 at 5:10 pm
Posted on 6/4/18 at 5:13 pm to BlackHelicopterPilot
quote:
meh....the unit sits outside and is in the rain, etc and these things have filters. So, I don't think THAT argument holds "water".
Rain water doesn't have all those chemicals tap water has for starts. I know my shower stall and curtain get scale on them and need to be cleaned regularly to keep it in check from all the minerals and other crap in the tap water in N.O.
Posted on 6/4/18 at 5:14 pm to Jimmy2shoes
Don't assume the gender of my AC unit
Posted on 6/4/18 at 5:15 pm to MardiGrasCajun
That's what the filters are for
Posted on 6/4/18 at 5:16 pm to Jimmy2shoes
quote:
Adding a mister to your AC unit?
I added an AC unit to my mista mista.
Posted on 6/4/18 at 5:35 pm to RedFoxx
That guy from Mizz Wind and Solar is pretty good. I've seen a lot of his videos. I think he and some others have made videos on making portable air conditioners using a cooler, a fan, and a block of ice.
Posted on 6/4/18 at 6:13 pm to Jimmy2shoes
Pretty much useless here in the South, in terms of efficiency. You would benefit more by keeping your system clean and running optimally.
<--ChE
<--ChE
Posted on 6/4/18 at 6:16 pm to Jimmy2shoes
My senior design project was his n experiment very similar to this. It works incredibly well, but if you do not have the proper expansion valve you will freeze your compressor up in a mater of hours. Water is a significantly better conductor of heat than air and will get your refrigerant too cool if you do not have the proper valve. I do not suggest retrofitting a mister into an existing system with no further modifications
Also as someone previously mentioned your fins will eventually scale up unless you used either softened or preferably deionized water
Also bacteria and algae will grow on your cools if you provide a constant stream of non chlorinated or mildly chlorinated water in a hot environment. Again severely inhibiting your efficiency
Also as someone previously mentioned your fins will eventually scale up unless you used either softened or preferably deionized water
Also bacteria and algae will grow on your cools if you provide a constant stream of non chlorinated or mildly chlorinated water in a hot environment. Again severely inhibiting your efficiency
This post was edited on 6/4/18 at 6:26 pm
Posted on 6/4/18 at 6:22 pm to gumbo2176
Actually rain water does contain a lot of material such as dissolved gasses such as oxygen and co2. CO2 will convert to carbonate species which will scale. This will make your system significantly less efficient.
As for corrosion, unless the water itself is corrosive as opposed to scaling, the most probable way you get corrosion is under deposit corrosion after scale has formed
As for corrosion, unless the water itself is corrosive as opposed to scaling, the most probable way you get corrosion is under deposit corrosion after scale has formed
Posted on 6/4/18 at 6:24 pm to GetEmTigers08
It’s not useless as the water will Still transfer a great amount of heat out of the refrigerant than just air, even without evaporation. Just not as efficient as if you had evaporation as well
Posted on 6/4/18 at 6:28 pm to Croacka
quote:
Just put sprinklers on your roof
This seems like a good idea in the form of a water jacket.
Posted on 6/4/18 at 6:42 pm to tigeraddict
quote:
These only tend to work in dry climates,
In Denver, at one time there was this huge movement to put in "Swamp Coolers" instead of what we are used to as AC units. By the time a friend of mine bought her house, the swamp cooler installed by the previous owner had pretty much stopped cooling and nobody wanted to fix it.
Somehow, I just don't think of swamp/marsh humidity as a good thing for metals, etc.
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