Air Conditioner Digest

Melvyn Burton asked:


Indoor air pollution - is it a problem? Everyone knows about air pollution affecting urban areas and industrial regions. Mexico City and Southeast Asia have hit the headlines. But wherever there are cities and industry there is pollution, from industrial effluents and the omnipresent automobile.

But indoors? The fact is that indoor air can be one hundred times more polluted than outdoor air. As the majority of people spend up to 90% of their time indoors, this is a cause for concern.

“Sick building syndrome” is a phenomenon which emerged in the 1970s when, to conserve energy as well as to provide a more comfortable draught-free environment, many naturally ventilated buildings were superceded by airtight air-conditioned buildings. It is used to describe a situation in which a substantial proportion of a building’s occupants report a number of symptoms while occupying that building. It is estimated that as many as one third of U.S. buildings suffer from sick building syndrome. Symptoms experienced by people vary as widely as drowsiness, lethargy, nausea, headaches, nosebleeds, dizziness and respiratory problems.

What are the sources of indoor air pollution? Tobacco smoke is a major culprit, with its lethal cocktail of toxic chemicals. Insulation, synthetic fabrics, treated wood and carpets,

especially when new, release potentially harmful chemicals, such as formaldehyde, into the air. When this air is recycled indefinitely, high concentration levels can be reached. Printers and copiers emit toxic gases. Then there are chemicals used in the manufacture of computers, especially those added to VDUs as fire retardants, which emit high levels of pollutants when new. Even cleaning solvents make their contribution to the pollution. In some cases, prolonged exposure to this mixture can cause chemical sensitivities which may be difficult to cure.

How can indoor air pollution be dealt with? Potted plants can improve room air quality. They reduce levels of carbon dioxide and increase oxygen levels. Among the most effective are spider plants, rubber plants and yucca. Plants can even be used to monitor pollution. Plants can wither from pollutants before people start to sicken from them.

Regular maintenance of air conditioning systems is essential in centrally-controlled air-conditioned buildings. This should include coil, fins and filters for the equipment to function effectively. The most important maintenance task is cleaning or replacement of filters. Not only do clogged, dirty filters block normal air flow, but also can directly reduce the effective working life of the equipment. Not to be overlooked is the correct

installation of air-conditioning systems in the first place. Air intake ducts need to be properly located. If they are placed in polluted areas, the system will actually bring polluted air into the building.

For further information on filter media for air conditioning systems, please visit http://www.irema.com



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Derek Both asked:


When you think of air conditioning, do you ever wonder who made it, the history behind it, maybe different applications involved or even environmental concerns? Well, if so, then you have come to the right place. We will not only go over each of these but you will find that a Sub-Heading for ease of use marks each section.

The Air Conditioner was first introduced in 1820 by Michael Faraday a British Scientist and Inventor. He discovered that by compressing liquefied ammonia you could cause the rooms are temperature to cool down. Dr. John Gorrie who used this technology to make ice for his patients later followed this up. Once the Doctor had proven that using the ice helped his patients he then received a grant to do more studies. However this was not meant to be and it was another 50 years before the first air condition was made in 1902.

An air conditioner is a machine designed to create cool air using a refrigeration system.

THE HISTORY OF THE AIR CONDITIONER

The Air Conditioner or its uses and methods can be traced back to Medieval Persia, where they used large open pools to hold water while using wind towers using tunnel like pipes to catch the wind and push it into another direction. This caused the collected water to evaporate and cool the buildings during the hot seasons.

While the modern air conditioner was first introduced in 1902 for factories, the first home and car air conditioner was not brought in until 1950.

First is the Comfort Application, which is designed to keep indoors comfortable for both mankind and our animals. There are different types of this application and are used in such places as Residential Homes and Buildings, Commercial Properties, Schools and other Institutions. This application is also used for personal Aircraft, Ships, Spacecraft, Trains, and Vehicles.

Then we have the Process Application, which is geared for the place it is located such as Operating Rooms, Static Clean or Data Rooms, Breeding Facilities, Airplanes, Factories, Testing Facilities, Greenhouses, Mines, Kitchens, and Nuclear Plants. Each of these areas has to maintain a center degree and this application provides that safely.

Many people forget that we have to be careful of what we do and how we use such conveniences as the Air Conditioner, but as the Earths health slowly declines and we have more and more health related issues in today’s society we have to take care. When you don’t take care of your air conditioner properly you set the stage for the outbreak of Microorganisms that contribute to anything from the common everyday cold to pneumonia, or even asthma. Which if you have ever had an allergy reaction or worse an asthmatic attack then you know how life threatening this can be.

Not to mention the fact an air conditioner, if maintained properly, can save on your heating and electric bill, as well as cut down on the electricity that, in turn, cuts down on the emissions from both the AC unit and your local power plant.



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Ricky Lim asked:


In sweltering hot summers, the cool breeze from the air conditioners becomes a welcome respite that helps in rejuvenating from the heat. However, in order to maintain the perfect cooling conditions of the home and office it is very necessary to maintain the air conditioning filters in their optimum conditions.

If the air conditioner has poor filters, it will cause inflated electricity bills. This can cause double burden on the user as both the air conditioner as well as the electricity bills will cause trouble.

Thus it is very important to have proper air conditioning filters. It is very necessary to get the cooling unit regularly checked in order to clean all the dust particles. These particles make the cooling poor as it gives load on the unit that increases the electricity bill.

If the air conditioning filters are not working properly, you should not waste much time and call the mechanic in order to rectify the change. If the filter is not working properly than the air conditioner will not provide cooling at its optimum levels. It is necessary to get the pressure of the filtering unit tested as it might lead to the problem of poor airflow.

Usually, it is the dust particles that get constantly accumulated in the unit which cause filter problems. Getting the unit cleaned along with its vents and ducts will help in improving the airflow. It helps in clearing the blockage in the filters that was making pressure on the cooling unit of the air conditioner.

Therefore it is very necessary to maintain the air conditioner clean so that it does not gives any trouble during summer season, as it is a primary utility in hot weather conditions. No doubt, a well-maintained unit will ensure high cooling and reasonable electricity bills as per the use of the air conditioner. Thus, if your air conditioner gives any cooling woes, get the air conditioning filters checked immediately.



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Steve Knowles asked:


So you have decided to buy central air conditioning.

Almost eighty percent of the new U.S. houses are installing central air conditioning units while construction. While it may not have been necessary to have air conditioning several decades ago, it is quite uncomfortable not to have it now. But those having existing homes do not need to worry, as the central air conditioning units can even be set up in houses that have already been constructed!

If you are looking for the best central air conditioning unit, you need to keep certain points in mind.

The best way and most important thing when buying central air conditioning equipment is to have it installed by a qualified contractor.

When one talks about saving money through efficient air conditioning systems the topic of SEER usually comes up. SEER or seasonal energy efficiency ratio, rates the central air conditioning unit. You can actually save quite a lot in your electricity bills if you substitute your old and ineffective air conditioner with a new SEER rated central air conditioning set up. Heating, ventilation and air-conditioning (HVAC) manufacturers are responding to the challenges of increased energy costs by offering homeowners air-conditioning units that deliver new energy efficiency standards and reduce your energy usage.

Always consult a specialist engineering company, who will specify, design and install the correct air conditioning system for your needs. There are many reputable contractors specializing in the installation of air conditioning systems for both small and large homes. Large houses usually require a centralized air conditioning system and its installation is more complicated and labor intensive. There are various kinds of air conditioning systems depending on your needs, your home size and your budget.

Choosing Your Air Conditioner And Installer

There are a number of reasons why you should go for central air conditioning.

It is the most effective way of heating and cooling the entire home because it can supply the conditioned air directly to the rooms whether the internal doors are open or closed. Having said that, which brand or manufacturer should you consider? Good question, but in reality it depends on your budget and your expectations. It would be recommended that you retrieve at least 3 quotes from reputable businesses (not outlets like Home Depot) which specialize in air conditioning supply and installation.

These companies will have ties to certain manufacturers and as a result will push a brand they will make more money from. But if you are aware beforehand which brands you are interested in you will be more assured of getting a good deal on a system you have chosen not what they want you to have.

The back yard is the most common place to find a central air conditioning unit condenser unit (outdoor section). This information is important because a house’s structure, window area, sun exposure, and climate will affect your central air conditioning needs. Again this is where you need specialist guidance from experienced installers. Make sure they look all over your home checking each room you want diffusers (ceiling outlets) in and note whether they check out the ceiling space, this small check is important as seasoned quoters / installers with experience will tell you that some ceiling spaces do not accommodate the ducting very well and can cause all sorts of difficulties during installation, you do not want the installer cutting corners (so to speak) trying to fit ductwork.

The electrical load on your home will be increased dramatically as a central A/C system is a large electrical user, some homes cannot accommodate this requirement and therefore need to have their mains upgraded. This can significantly increase the installation cost.

Maintenance Of Your Air Conditioning System

For your home central air conditioning system to last as long as possible, proper maintenance is a must. You probably recognize - as most homeowners do - that keeping your heating and air conditioning units running well is important. We tend to take our air conditioning for granted, and wonder how we ever got along without it, but we rarely check the system until it begins to blow out hot air.

Proper care of your air conditioning system like scheduled cleaning will also make it more efficient for a long time. If you have central air conditioning, it is important to keep the outside compressor compartment (condenser) as clean as possible. And of course the indoor return air filter must be kept clean also to improve the air flow throughout the home. There are not really many things the homeowner must do to keep their A/C happy other than cleaning and keeping the outdoor condenser free from debris and plant foliage.

If you do these you should receive many years of faithful service from your new central air conditioning system.



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