fans that you load with water or ice water

[junn2006]

ok po ba ito? effective ba talaga? what brand is ok?

i'm not referring to fans that has little hoses that sprays mist together with tha fan ha. yng parang box type sya na fan na parang aircon daw...

[manggyver]

we just bought one for the office to augment our exisiting a/c and we've been using (noon time) it the last 3 weeks. so far, its doing well, i just hate it squirts water every now and then. brand is Asahi, we got it from puregold.

[junn2006]

thnx magngyver for the reply

pero the one i am asking is the one na di nag squirt ng water. parang cold water passes somewhere n me fan na blows into it. so cold air labas. yng mahal ata na version call it evaporative water cooling

[manggyver]

junn2006...we are talking at the same product. The air passes-through a chamber where there is ice cooled water and then blows the air out of its vents. Maybe the unit i bought has a defect as it sucks and squirts some of the water out. Messy sa floor.

[tscotom]

Yes, I've had one that came from Singapore for years.

What this unit does is a vertically rotate a plastic 1 ft. wide wirey/meshy band w/c is underwater and constantly turns this around thus wetting it, then a fan motor passes air through it cooling the air 1 degree and passing it out the vents.

If you put ice water in the container, then the air will be even cooler !!

You just have to constantly clean the containers and clean the rotating mesh to guard against mold and calcium build up.

If you do not have an aircon, this is the next best thing.

For locally made misting fans (industrial) check out this website:
http://www.mistercool.com.ph/

;D

[2diy4]

The only problem with this kind of cooling is that it really raises the humidity. Using this with an aircon which of course reduces humidity by condensing it in the evaporator coils will alleviate the problem.

[wilie_witch]

I've seen this units being used in Tiendecitas. I know a cheaper supplier which I visited the factory/ office few months back. Supplier is located along P. Guevarra. Coming from Ortigas, take Wilson then right turn at P. Guevarra. Before the traffic light the shop is at left side.

The Users manual says, when use in cooling rooms, the unit shall be place near an open window. Room should be properly ventilated to avoid increasing the humidity. I believe the unit which is as high as 6ft is about P8000 during the time.

Hope this helps.

[tscotom]

Yup, Willie, that supplier sells evaporative cooling fans made in China or Taiwan I believe. Quite expensive considering the quality.

The one in Tiendesitas is a simple misting fan like the 'mistercool' website in my first post here !

[junn2006]

junn2006...we are talking at the same product. The air passes-through a chamber where there is ice cooled water and then blows the air out of its vents. Maybe the unit i bought has a defect as it sucks and squirts some of the water out. Messy sa floor.


sorry po for misunderstanding your post

[junn2006]

so if i dont have budget for an elec fan, the next best thing to an electric fan is to buy one of this?

tama ba?

mdyo alaws tyo ngyon e. ska mahal din kuryente pag naka aircon lagi.

[tatoski]

Guys,

The evaporative coolers will work best if the relative humidity is low and fresh air is always available meaning air changes are frequent. These units work by evaporating water into the airstream. We all know when water evaporates or changes phase from liquid to gas, a lot of heat is absorbed thereby cooling the air but also humidifying it. If air is already 100% RH because of ambient conditions or because there is no air change in the room then this will become an expensive electric fan. No cooling effect anymore.

A big mistake is to use this units in airconditioned rooms. Aircon units cool the air and at the same time remove moisture from the air that's why there is water coming out of the A/C. Airconditioning is the process of controlling both the temperature and humidity or moisture in the air. Now by introducing evaporative coolers in an airconditioned room, the moisture introduced by this devices will eventually be removed by the airconditoners. This will unneccessarily burden the A/C's more. Net effect is worse. Better leave the cooling to the A/C's and use an ordinary fan to distribute the air if there are dead spots or hot spots.

[tscotom]

If you want to save electricity, just alternate the use of the air-con and the evaporative fan.

I believe some companies are doing this by shutting off the aircons at lunch and switching on these units.

[tatoski]

The wilcon builders supply here at Libis has a giant evaporative cooler working inside their airconditioned warhouse. I think it is a waste of electricity.

[starscream95]

I got one too, the Asahi brand. It works fine but it works well in small & confined spaces (no A/C) only. The wind it produces from its blowers is quite limited compared with any electric fan & maximum cooling effect is best felt about 2 feet (or less - depending on the heat) away.

[boboymanalo]

junn2006, yung sinasabi mo bang fan nilalagyan ng tubig, water circulates inside parang may radiator, nabibili sa mga mall. i suggest not to buy it, i have an electronic shop, madalas dumating sa shop yang, burned out ang motor due to moisture. pagmay warranty pa ni-reject ko kaagad, kahit palitan mo ng motor, it's the same thing.

[deleonrikkie]

junn2006...we are talking at the same product. The air passes-through a chamber where there is ice cooled water and then blows the air out of its vents. Maybe the unit i bought has a defect as it sucks and squirts some of the water out. Messy sa floor.


Do you really need to put ice water into the bucket? If the fan blows hard enough and the humidity is high enough, the water will not evaporate (and cool the air!) and instead make the mess on the floor you described! Besides the purpose of these machines is to cool with less electricity. If you are using ice water, you are placing an additional load on the refrigerator, forcing it to work harder and use more electricity (creating ice is very energy-intensive!). Use ice or cool water only when the weather is extremely hot and/or dry!

[TopDog]

I have the Asahi brand and I find it cools better than an electric fan on extremely hot and humid days. But most of the time I just use it as an air filter. The wet mesh collects dust and dirt from the air better and cheaper than a commercial air filter. I just add very mall amount of Lysol to the water in the tank (less than 10ml) as an antibacterial and anti-fungal agent.

[tatoski]

I agree with deleonRikkie. Using ice in the evaporative cooler is very expensive. Its harder or more expensive to make ice to cool the air than to use an airconditioner.

These units are quite useless if humidity is very high and air exchange is low meaning in closed areas or enclosed areas. Please do not use this in conjunction with an airconditioner. You are just taxing your a/c unnecessarily. Waste of energy.

[Jungallardo229]

Parang ganito ba?

http://i581.photobucket.com/albums/ss251/jungallardo229/AirCooler.jpg

[tscotom]

Evaporative coolers are just glorified electric fans with water droplets fed through the air flow. They are very simple in theory and operation and that being the case, their pricing specially here in the Philippines is a real RIP-OFF. They ride on the fact that real air-con units are so expensive and the electric bill even higher. It is just Marketing, that price point that we are willing to let go of our money. So beware, and buy wisely if you have to.

Another thing to watch out for if you use these evaporative type fans is that the water does not become a breeding ground for mosquitoes.

The old types have a tray of water below on which a moving 'cloth type' mesh gets inundated and that wet mesh cloth goes through a strong 'squirrel cage' type blower and thus 'cools' the air.

Mine always has mosquito larvae after a few weeks of usage. Even if I put drops of lysol in the water, the concentration is not strong enough to kill the larvae. Only way is to clean it at least weekly.

The new types have a dripping mechanism that pumps up the water to the top and then drips down a convoluted perforated cardboard shape and the flow of air through that 'cools' the air. BTW, this cardboard only lasts according to them, only 5 years and guess if they will provide spares then !!! Warrantys ?? Buyer beware, ask them.

It is important to find out what the water reservoir is. If it is a sealed plastic bottle of some sort that is refillable, then you are probably Ok, but do check on how it circulates in the evaporative cooler, and if little pools of water remain. Remember mosquito larvae can live even in a thimble full of water. If the reservoir water is exposed, you're just asking for scratchy mosquitoes.

Cheers.

[fake_silhouette]

Facts:

its quite alright in a regular home espc condo type units but definitely not for hobbyist, collectors etc.

you my ask why, here's a simple answer

these appliance multiplies air humidity / moisture by more than tenfolds
so if you collect something is would moisten / moldy

most tools also reacts to this and rusts
PCs life also shortens because of the moisture (coolness is good but not moisture)

so you get my point
so careful where you place them
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