How Air Conditioners Work

Bloged in aircompressorparts.air-compressor-guide.info by itbsuperrich Tuesday June 24, 2008

Air Conditioners: In an Air Conditioner chemicals are used to cool the temperature of the room. The liquid chemicals are produced from a gas, which again converts to gas form. The chemical transfers the heat from the inside to the outside of the room.

Mainly the Air Conditioner machine has three parts, a compressor, a condenser and an evaporator. The condenser and compressor are in the outside portion of the machine while the evaporator is located inside the room.

In the processor the chemical, which is a low-pressured cooled gas, enters. The processor then squeezes that chemical. It makes the molecules of the chemical come closer together. The closer molecules create high energy and heat. The chemical leaves the compressor as hot and high-pressure gas and enters the condenser. At the backside of the machine we can see a metal fin. It works as a radiator and helps to cool down the heat very quickly. When the chemical leaves the condenser, it becomes very cold. The liquid flows in the evaporator through a small hole.

On the other end the chemical becomes colder and starts to evaporate and becomes gas. As the liquid becomes gas it soaks heat from the surrounding area. The heat of the air is needed to separate molecules of the chemical, which were packed together in the processor. The evaporator also has metal fins to exchange cool temperature with surrounding air. The liquid again leaves the evaporator and begins the same process. A fan connected with the evaporator circulates the cool air into the room.

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Caring For Your Air Conditioner

Bloged in aircompressorparts.air-compressor-guide.info by itbsuperrich Friday June 20, 2008

When it comes to getting the most from your air conditioner there are some things you can do that will extend its life and keep it operating at maximum efficiency. All of these things fall under the category of maintenance. Much of this maintenance you can do yourself. Some will require hiring a contractor.

1) First on the list are air conditioner filters. The filter in your air conditioner is very important and should be changed every three to six months, depending on how fast it becomes dirty.

There is nothing wrong with changing the filter too often but not changing it often enough can cost you in many ways.

- Ice build up - This happens from low airflow through the evaporator coil. If the ice build up is severe enough it can damage the evaporator coil.

- Poor equipment performance - A dirty filter will decrease the efficiency of the air conditioning unit and increase operating costs by as much as 20% or more.

- Increased wear on the compressor - This is because it has to run for longer periods of time to do its job. More run time equals shorter life span. Compressor changes are very expensive.

2) Check the evaporator coil located inside the air handler (section inside your home) once a year to make sure there is no dust build up on the coil surface. This condition causes the same symptoms as a dirty filter.

3) At the beginning of each cooling season it is a good idea to check the outside section of the air conditioner (condensing unit). Check around the unit and make sure there is no debris on the surface of the condenser that will restrict airflow. Also check between the fins of the condenser to see that it is not plugged with dead bugs or pollen. This stuff usually accumulates over time and depending on where you live may not be a problem. Spraying the condenser with a garden hose is usually enough to remove this debris.

4) Check the belt in the air handler and replace as required. Many air conditioners made today use direct drive motors and therefore only require that the motor bearings be oiled once per year.

5) It is also important to check contactors and all electrical components. Most of these will be located inside the condensing unit. The contactor operates the compressor and the contacts get pitted and need to be replaced occasionally. Different manufacturers use different types of contactors. Some last much longer than others. Check all electrical connections for tightness and make sure no wires are rubbing against metal surfaces.

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Air Conditioners and Clean Air

Bloged in aircompressorparts.air-compressor-guide.info by itbsuperrich Thursday June 19, 2008

On a warm summer afternoon, air conditioners can, literally, be lifesavers! I know of people who don’t mind dashing across the street just to make it into an air-conditioned room quickly. Staying cool is one thing - but let us remind you that staying safe and healthy is more important. Air conditioners have a role to play in this respect, because air conditioners not only bring the room temperature down, but they also filter outside air as they enter the home. A good air conditioning unit will have a top quality, lasting and smart air filtering system that ensures that only clean air gets into the room.

What you’re looking for is an air conditioning unit that has a built-in air cleaner in it. In fact, the normal, conventional air conditioning unit cannot filter out everything well enough for your whole family. If you’re someone who cares about the long-term effects of breathing in dust particles, fumes, and smoke from the outside INSIDE your own home, then it’d be best if you invest in a high quality air conditioning unit that comes with an air cleaner.

A good air conditioner in the home or office is even more important if you or a family member has allergies or chronic breathing difficulties. Apart from having a good air conditioner, you should also open the doors and windows once in a while to let contaminated air out of the place. On top of that, pay special attention to your housekeeping habits.

To maximize the lifespan of the air conditioner and ensure that the air filtration system is in top form, you’ll need to regularly maintain and upkeep the air conditioner. Don’t wait for the air conditioner to break down or when you sense that there’s a dip in air quality inside the house to clean and maintain the air conditioner. Experts in the air conditioning field recommends that you change the filter to your air conditioner every month - some people, don’t be surprised, change their air conditioner filters only once every few years.

Changing and cleaning the filter of your air conditioner helps ensure that the air conditioner can continue to filter out the bad air from outside and deliver only the cleanest air possible into your home. Bottom line isif you want clean air in your home, you’ve got to change and clean the air conditioner filter regularly. A badly maintained filter not only cleans air ineffectively, it also consumed more energy, cools the air down poorly and shortens the life of the air conditioner.

Dakota Caudilla, journalist, and website builder Dakota Caudilla lives in Texas. He is the owner and co-editor of http://www.clean-air-quality.info on which you will find a longer, more detailed version of this article.

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