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Showing posts with label Evaporative. Show all posts
Showing posts with label Evaporative. Show all posts

Tuesday, December 6, 2011

Champion Evaporative Coolers - The Best Value For Your Money

I am writing this article because I have just read an article on the benefits of buying Champion Evaporative Coolers (some call these Swamp Coolers). The author mentioned that they are good quality, cost effective, and long lasting. This is all true. But then I thought, how would a man who has written hundreds of articles on interior decorating and outdoor lawn care know why these are quality units? I have installed and maintained them for years and can tell you the reason they are quality and long lasting. Here are just a few reasons I recommend Champion.

Cooler Air With Celdek Media

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All the Champion Ultracool and Mastercool units use celdek media instead of commonly used aspen pads. Aspen pads are made of shaved wood from aspen trees enclosed in plastic cheesecloth mesh. These pads are generally only about an inch thick. Celdek media is a cellulose cardboard material engineered into honeycomb shaped blocks. Most of the Ultracool and Mastercool models have an option of 8 inch or 12 inch thick celdek media. Air that passes through 12 inches of media absorbs more water than air passing through 1 inch of media. More water absorbed into the air means cooler air being blown into your room. I once worked on a job that had one Cooler with celdek media beside another one with aspen pads. With my thermometer I measured 5 degree cooler air from the unit using celdek media. I have also found the celdek media generally lasted at least 5 years whereas aspen pads should be changed out at least once a year. Since most people dread maintenance work, going 5 years between media changes is a real plus. Some aspen pad units have rusted out and had to be changed by 5 years.

Designed To Protect The Cooler From Corrosion

Champion uses several strategies to help their Evaporative Coolers last years longer than other brands. First, after using heavy gauge steel in their construction they apply a Polyester Powder Coated Finish. This coating has proven to be more durable than paint. Next, they use a plastic reservoir in the bottom of the water section whereas most other brands contain the water in their metal basin. With only the water evaporating into the air, the minerals, which are very corrosive are left in the water basin. Corrosion usually begins in only a few years with most other units. Champion also installs vinyl liners between the celdek media and the side panels. The Ultracool and Mastercool units are designed so that the water should never touch the metal case. Most other brands not only let the water sit in the metal basin, but also have the wet aspen pads held against the metal side louvers with metal clamps. Often this starts corrosion in the first few years.

I hope these few points I have brought out will help you in the future to decide which brand of Cooler to buy. This information did not come from brochures or advertisements trying to talk you into buying this brand. It came from many years of installing and maintaining all brands of Swamp Coolers.

Champion Evaporative Coolers - The Best Value For Your Money

For more information on Champion Evaporative Coolers go to http://www.swampcoolersonline.com. I've worked in the evaporative cooler industry for 25 years and have installed and maintained units from all major brands of evaporative coolers. Through the years I've learned many trade secrets and valuable tips for working on evaporative coolers. For more tips like these please visit http://www.swampcoolersonline.com.

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Sunday, December 4, 2011

Importance Of Mastercool Evaporative Air Coolers

The Mastercool models prove to be perfect, quick, and affordable solutions for cooling the entire surrounding. These air coolers come in design with various parts like the organizer tray top, adjustable louvers for variable air distribution system, and garden hose connected for quick hookup system. This air cooler is just the perfect type of cooler for cooling purpose used in industrial, commercial, agricultural, lighter industrial site and also for residential purposes.

The parts of the Mastercool evaporative coolers models are so classic that they make a super model anytime. Whether it's in your office or in your home, the units in Mastercool always require a constant supply of fresh air to cool the ambience. The Mastercool evaporative coolers are quite easy to operate and can be done without any aid from exterior sources. You simply need to add water, plug the cooler into the power point, adjust the water flow in the cooler, and keep the speed of the fan to your desired level to experience the best of the Mastercool evaporative coolers.

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Features Of Mastercool Evaporative Models

Mastercool evaporative coolers models are the best option for cooling your home or office. With its variety of outstanding parts, Mastercool coolers involve cost-effective investments and are far better than the costly air-conditioners.

Following are the outstanding features pf Mastercool evaporative air coolers:

  • Top organizer Tray
  • 2000-4000 CFM of air delivery
  • Garden hose water connectors
  • High-volt receptacles
  • Direct drive systems
  • Natural Aspen filters
  • Speed fans
  • Water tanks
  • Wheel systems to make the air coolers portable

The main feature of Mastercool evaporative air coolers is the powerful fan that evenly distributes the cold and fresh air throughout the space to generate pleasant ambience in the surrounding. It should therefore be best fitted in the rooms with the doors and windows opened to allow easy entrance of fresh and cool air throughout the home.

Other Beneficial Features Of Mastercool Evaporative Coolers

The Mastercool air coolers deliver all the benefits of the powerful residential and high-tech industrial models that contain efficient, durable and reliable pads speeding up the process of cooling. These pads are made of cellulose and can achieve up to 90 percent to 95 percent evaporative efficiency and delivery air up to 5 degrees cooler than the traditional aspen pads used normally in the other air coolers.

The advantageous features of Mastercool air coolers have cross-fluted design that directs water to the air-entering sides encouraging the great turbulent mixing of air and water for optimum evaporation and better cooling systems. The Polyband exterior finishing applied to the coolers can combine the strength and durability of steel with the finest polyester-epoxy finish to increase the durability and strength of the air coolers. This unique finishing protects the coolers against weathering and corrosion and ensures all with several years of reliable services.

Importance Of Mastercool Evaporative Air Coolers

Andrew Caxton is a consultant who writes on many consumer topics like home appliances at [http://www.evaporative-air-coolers.com]. A website with tips on air heaters and cooler parts, including brands like champion and Mastercool [http://www.evaporative-air-coolers.com/mastercool.html].

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Friday, November 4, 2011

Two Stage Evaporative Coolers Take the "Swamp" Out of Swamp Cooler

Two stage evaporative coolers are a relatively new addition to the family of alternative cooling appliances. The advantage two stage coolers have over conventional, single stage models is the production of cool air with 10%-30% less humidity (depending on your climate).

The stages of a two stage cooler are described as "indirect" for the first stage, and "direct" for the second stage.

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A conventional swamp cooler, by its nature, adds moisture to the air it cools. To offset this, a pre-cooling, or indirect stage, was added.

In the indirect stage, warm, dry air is pre-cooled by passing through a heat exchanger cooled by evaporation on the outside. Because the air supply to the second stage evaporator is pre-cooled, the end result is cool air with 50%-70% relative humidity compared to 80% humidity from a conventional single stage cooler.

An additional benefit of first stage pre-cooling and reduced humidity is extending the product's usefulness into hotter and more humid conditions.

Two stage evaporative coolers are most often installed directly into an outside wall or at ground level supported by a small concrete pad. The units require a 115 VAC electrical connection, a supply water connection and, if they have a water bleed-off mechanism to reduce mineral deposits, a method for water disposal.

The largest units have a cooling capacity of 3 tons, a supply air flow of 1,400+ cubic feet per minute and consume around 3 gallons of water per hour. This is sufficient cooling capacity for up to 1,700 square feet of living space.

Since a two stage evaporative cooler brings outdoor air into the home at a relatively high rate and doesn't recycle indoor air, positive air pressure builds up inside the home. In order for the system to function effectively, the pressure must be relieved by opening a few windows a couple of inches, or installing an exhaust duct or pressure operated damper in the attic or an outside wall.

According to the American Society of Heating and Engineers (ASHRAE), two-stage evaporative coolers can reduce energy consumption by 60 to 75 percent over conventional air conditioning systems.

Coincidently, I found a study by the Department of Energy simulating the annual power consumption of different cooling systems in a prototype house in Borrego Springs, California.

The two systems I chose for comparison from the study are a 13 SEER, 3 ton, DX (Direct Expansion) air conditioner and a variable speed, 3 ton Oasys brand two stage evaporative cooler.

According to the study, the air conditioner consumed 3248 kWh (kilowatt hours) of electricity during the cooling season. Using the average California retail electric rate (2007) of .1435 per kWh, the resulting cost is 6.

By comparison, the two stage evaporative cooler consumed 667 kWh of electricity for a seasonal cooling bill of , or 79% less than the air conditioner.

The new two stage evaporative coolers have successfully taken the "swamp" out of swamp cooler but may face problems overcoming the image of its less comfortable predecessor; especially in light of a ,000 price tag.

However, based on the energy cost comparison above, without taking into account future rate increases, a two stage cooler would pay for itself in less than 8 years while consuming 79% less fossil fuel.

Two Stage Evaporative Coolers Take the "Swamp" Out of Swamp Cooler

For more money saving alternative cooling options, please visit Alternative Cooling at http://www.Alternative-Heating-Info.com

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