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Recent Posts
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Air Conditioning Refrigerants - Some Lessons From History
Air conditioners have become essential for most of us - afterall, we all need our "creature comforts". There are different types of air conditioners, and the markets is flooded with plenty of options.
If this does not produce enough confusion in the buyers' minds, there is also a bunch of different technical jargon about "coolants" and how they can impact your air conditioning.
So, just what is this coolant, and how important is it? How exactly did this coolant come to be?
The coolant which is currently dominating the market is the 410A. But until a few years ago, this coolant was hardly known to our world and a different coolant was used. To see the history of coolants, we probably have to start with the ancient Rome.
The Romans were known to use cool water as refrigerants for their parties and so called hang outs. The air was allowed to evaporate, which produced evaporative cooling which raised the cool air above the surface of the earth.
Only the most highly ranked officials could afford this type of cooling. Slaves were used to fan this cooling effect onto their owners, thus causing a pseudo air conditioning effect. But, water refrigerants ran out of fashion long ago. Benjamin Franklin, was known to use alcohol as a refrigerant to cool water below its cooling point. Faraday used an expansion plus compression cycle of ammonia to cool the gases he used for laboratory purposes.
Willis Carrier designed the first modern air conditioner, and is known to be the Father of Air Conditioning. Even he used a combination of ammonia mixed with methane as a coolant.
The downside of this combination was the toxic gases it produced when it leaked. Hydrochloroflourocarbons are probably the first non lethal coolants used in modern air conditioners. The model R-22 was the most common type of this refrigerant.
But, usage of these CFCs burnt a huge hole into the ozone layer of our atmosphere, and caused environmentalists many sleepless nights fighting against this usage. Most of us are aware of the evil effects of this air conditioning coolant. Environmentalists have been rallying against this coolant for months now, and it took quite sometime for the world to take notice. The increasing global warming then triggered the key and suddenly the whole world started noticing the negative effects of this coolant. This coolant was eventually kicked out of the market. The 410A was introduced later as an ozone friendly composition that does not affect our environment.May 07 -
Air Conditioning the Olympics
If you have ever been to the Olympics, you will see that the whole stadium and all the events have been air conditioned. The grandeur and the majestic appeal of the Olympics is almost not noticeable when you are dripping sweat under a hot sun and the humidity levels are taking a toll on you.
But, that can only mean the whole of the Olympics stadium is air conditioned fully. Now how is that even possible? There is so much movement everywhere and so many exits and entrances that it is almost impossible to maintain any air conditioning isn't it? Also most of the ground are open area, so how do they possibly air condition an open sports venue?
Well, to begin with, most of the big events like Olympics are always air conditioned. This is done irrespective of the number of viewers, the total amount of the crowd and the frequency of entrance and exits opening. All this is implemented with the help of centralized air conditioning systems. These systems are also called ducted air conditioning systems. This is done because, given the hot weather in the summer, the athletes and other sports stars are put through so much stress, that the heat only makes it worse.
And in hot climates, there is so much heat that it becomes almost impossible for the athletes to even pull up their socks. Air conditioners are known to have a soothing effect on the nerves of the users. They provide a calm, chilled atmosphere that is soothing for many. The air conditioning system greatly helps reduce the anxiety of the players, who are usually prone to nervous breakdowns in such situations. Added to that list are the organizers who bear the whole responsibility. If any event does not go as planned, its the organizers' necks that are in trouble.
Not only do they have to maintain a cool atmosphere, but they also have to make sure everything goes as planned and also provide the players and the spectators with the maximum comfort as possible. In case the centralized air conditioning system fails, most of the events have truckloads of portable air conditioners for backup. Since these portable air conditioners are capable of running on battery power, they can be transported easily and used without looking for a power supply. They are convenient and can be set up for the whole of the sports complex within a few hours of time.If you're in needing of cooling needs, whether for your home or the Olympics, you can contact us -- Boise's very own air conditioning experts.
May 07 -
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