Overview Of Evaporative Air Coolers
If you ask an older relative if they have heard of an evaporative cooler, they may say no. But chances are they would recognize the idea behind the technology. Before air conditioning or other cooler types existed, people would sleep outside on a screened in porch to try to stay cool at night. They would often hang damp sheets over the screens in an attempt to cool the air. As the hot air passed through the sheet, it was cooled.
And then the cool air would slowly circulate, relieving some of the heat for the sleepers.
The same idea exists today in the form of evaporative coolers. These machines are wonderful cooling mechanisms for people who live in hot, dry climates. They are also known by the name swamp coolers, but that can be misleading because they actually won’t work at all in swampy, humid conditions. The name probably came from the way that evaporative coolers actually add humidity to the air.
But in fact, evaporative coolers need dry, hot air to work because in order for the air to be cooled, it has to be able to pick up (evaporate) some of the water. If the air is already saturated, it won’t pick up any more water and it won’t be cooled.
Here’s how evaporative coolers work; the machine is composed of a fan that pulls the hot dry air inside the cooler, where it is passed through damp pads. The pads are kept damp by a pump that circulates water through the machine. As the dry air picks up some of the water, its temperature drops, sometimes by as much as 30 degrees Fahrenheit, depending on the climate.
The cooler air is then blown into the room. An added bonus of an evaporative cooler is that the pads that cool the air also filter it. As the air passes through the pads, dirt, dust, allergens and other pollutants are captured in the fibers of the pads. So you’ll be breathing cleaner, cooler air.
If you’re wondering why you should choose an evaporative cooler over a traditional air conditioner, there’s one more reason we haven’t covered yet.
The cost to run an evaporative cooler can be as little as 1/10 the amount it costs to run an air conditioner. In fact, some community power companies in hot, dry climates will actually offer residents a rebate if they install an evaporative cooler because they recognize the effective, efficient cooling capabilities of the technology. Contact your local power company to see if they offer the rebates and ask if they have any information on the effectiveness of a personal evaporative cooler in your area.
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. An online information magazine about the basics of how evaporative air coolers work and some of the advantages of the technology for a good home air conditioning. At Andrew's site you can find interesting and helpful articles on these home appliances and how to choose your personal air cooler
NovoSci? Introduces the Ready System? 200 as an Alternative to the Traditional Heart Lung Machine and Conventional Cardiopulmonary Bypass
The Woodlands, TX
February 29, 2004 ?- Continuing its commitment to develop new and innovative medical devices, NovoSci is pleased to announce the FDA clearance of the Ready System? 200, the next generation minimized bypass system.
No longer will surgeons and perfusionists have to compromise safety, flexibility, and convenience to reap the benefits of mini-system technology.
Ready System? 200 offers clinicians a platform to drastically lower blood product usage, reduce air/blood interface, and remove silicone from the bypass circuit.
The low priming volume of the Ready System allows the clinical team to employ fluid management strategies which have been shown in recent studies to decrease patient morbidity and mortality.The Ready System has been designed to accommodate the changing clinical scenarios of cardiac surgery and cardiopulmonary bypass by providing the clinician with a safe and flexible cardiopulmonary bypass platform.Approximately 400,000...
Vacuum cleaner > NovoSci? Introduces the Ready System? 200 as an Alternative to the Traditional Heart Lung Machine and Conventional Cardiopulmonary Bypass
Sanitair Vacuum Cleaners ? Bringing Commercial Cleaners Home
Sanitair vacuum cleaners might be more famous for their commercial than domestic use, but these cleaners are fast gaining popularity in the household cleaning world. Combining the ease of use of a regular domestic cleaner with all the cleaning power of a commercial vacuum, Sanitair vacuum cleaners are one tool made for work that you really won't mind taking home with you.
You would expect a commercial vacuum like a Sanitair vacuum cleaner to offer superior cleaning power ? after all, commercial Sanitair vacuum cleaners have to vacuum the dirt and debris created in a busy environment frequented by perhaps hundreds or thousands of people. With that in mind, your first thought might be why would you need a Sanitare vacuum cleaner? The simple answer is that Sanitair vacuum cleaners offer much more than just a powerful clean.
Reviews of Sanitair vacuum cleaners consistently report that these cleaners are as easy to lift and manoever as any domestic vacuum ...
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