Thursday, February 14, 2008

AIRCONDITIONER

Air Conditioning is the simultaneous control of Temperature Humidity Motion Purity of the atmosphere in confined Space There are many components in an airconditioner Compressor is heart of the air conditioning system Its function is to suck the refrigerant vapour from the evaporator and to raise its temperature pressure by compression to a point such that it can be condensed with the available atmospheric air Condenser provides a heat transfer surface through which heat passes from hot refrigerant vapour to the atmospheric air In condenser high temperature vapour is converted in to high temperature liquid by removal of latent heat ac,air conditioner,air conditioner filter,air conditioner prices,air conditioning,air conditioning unit,air cooler,air purifier,airconditioner,buy air conditioner,buy air conditioners,cooling systems,home air conditioner,panasonic air conditioner,window air conditioner Refrigerant is a substance that absorbs heat through expansion or vaporization and loses the same through condensation in a refrigeration system Refrigerant flowing through the closed cycle absorbs heat from the space to be cooled rejects heat to the outside surrounding by continuously changing its phase from liquid to vapour Thermostat controls the room temperature as per the settings by cutting in off the compressor When the compressor is started it sucks the refrigerant vapour at low temperature and low pressure from the evaporator through the suction line After compressing it discharges the refrigerant at high temperature and high pressure in vapour state to condenser through the discharge line Here the vapour is condensed at high pressure by lowering down the temperature of refrigerant with the help of atmospheric air which was circulated by condenser fan This liquid flows towards capillary tube through the liquid line strainer When the liquid passes through the capillary tube its pressure and temperature are lowered and enters into the evaporator Here this liquid refrigerant gets vaporized by absorbing the heat from the room air which is being sucked by the blower through the evaporator coil Hence the room air gets cooled and the same is discharged to the room The compressor sucks the vaporized refrigerant at low temperature and low pressure This cycle is repeated till the compressor works

For effeicliently cooloing of rooms an airconditioner is a great choice If you dont have an air conditioner you may be thinking of getting one that is why you are here If the one you do have seems to be less than adequate it may be time for an upgrade What should you look for Many consider buying an air conditioner a confusing process One of the most important steps is to consider the need and matching that to the most effective solution Is the air conditioning needed for the entire house or mostly for a single room Additionally how often will it be used If air conditioning is only needed occasionally for a small area a temporary in window model might be more appropriate as it can be removed when not necessary On the other hand if permanent air conditioning is needed for the entire home a larger solution might be needed Air conditioners can use significant power and some units are more energy efficient than others Comparing models to find one saves energy while still performing effectively can save a significant amount on monthly power bills The price of the unit itself is a consideration as well and it is important to shop around to get a good deal However the price of the unit itself should not be the only consideration When comparing prices it is important to factor in the cost of delivery and professional installation if required In some areas product discounts and faster installation may be available in colder months when demand for air conditioners is lower Air conditioning can make a home more comfortable as well as more appealing to some home buyers By considering needs and shopping around for a good deal buyers can make a smart decision. The technology of aircondtioners is the same as your refrigerator An evaporator coil cools the interior and the condenser coil releases the hot air outdoors Refrigerant is moved by a pump through tubes between the two coils to transfer the heat A fan blows the cool air into the room Most window air conditioners are designed to fit doublehung windows Measure the inside dimensions Take an exact measurement not just an estimate Take your room dimensions and window measurements with you when you go shopping Rising temperatures low prices improved efficiency are making window air conditioners a very attractive proposition Of course the manufacturers also realize this and so have bombarded you with dozens of models to pick from Clearly you are spoilt for choices Hopefully this guide will help you make an informed choice Before you get into the brand or company you want to buy an AC from you need to have figured out basics like how much cooling you will want how much you are willing to invest on this Most air conditioners are rated in BTU per hour British Thermal Unit or by tonnage One ton is equal to 12 000 BTU per hour The cooling capacity that you need would depends on a number of factors like number of people in the room number of appliances in the room etc The average ambient temperature of your area during the year Higher the average temperature of the outside air the more will be the cooling capacity required If you live in a cities which have scorching hot summers you will need an AC with higher cooling capacity

A bigger room will naturally require a higher ton AC as compared to a smaller room Also if you have a bigger family five or more people and everyone will crowd into one room then the capacity will have to be higher even though the room may be small Also your capacity will need to be higher if any of your walls gets a direct blast of sunlight so as to negate the heat from the sun The hottest room in your house is your kitchen so if the AC room is next to the kitchen then a higher cooling capacity is advisable Follow the manufacturers instructions carefully when installing a window unit Its essential that the unit be stable for safety reasons Its also essential that the unit be tightly sealed to keep the cool air inside where it belongs Apply weatherstripping as needed to prevent airflow around the unit Put the AC in a shaded window if possible for added cooling efficiency Air conditioner problems are easily avoided by doing some simple maintenance Keep the filter and coils clean or replace them as recommended by the manufacturerYou can also do little maintenenace work regularly in 2 or 3 months Remove the inside grill Carefully take out the foam filter Wash in warm soapy water If the filters extremely dirty more than one washing may be needed Rinse and allow the filter to dry before replacing Filters that are beyond the reusable state can be inexpensively replaced Filter maintenance alone will increase your air conditioners efficiency but to get the most from your unit a thorough cleaning is required Take the unit from the window and remove the outside housing Vacuum the interior to remove dirt bugs and leaves Cover electrical parts with plastic and then wipe the interior with a damp cloth While the unit is out of the window take time to clean and repair the window and sill if necessary Reassemble when dry and reinstall in the window. Air coolers are a good alternative to airconditioners for those who cant afford them and for those who live in dry areas It is based on a very simple principle water is put into a cooler which is circulated by a pump and sprinkled continuously on to fiber pads This continuous motion evaporates all the heat and cools the air which is then thrown out into the room thereby cooling it Before you buy a cooler its sensible to analyse why you want to buy a cooler Firstly a cooler will give slightly dampened cooling so it is not very conducive to humid climates However it is the ideal cooling option in a dry climate as it will give you the muchneeded moisture along with a welcome respite from the heat Also you need to figure out the capacity of the cooler youll need A capacity smaller than whats needed could defeat the purpose and will be a waste of your money Therefore gauging your room size and the number of people go in for a suitable capacity Singlestage or direct evaporative coolers are by far the most common and are categorised primarily by pad style These are extensively available in most stores in our country Then there are windowmounted coolers This is a lowcost installation model and is the most commonly used Coolers which come with a regulator like in fans are much better especially for nights when it gets sufficiently cold A variable speed cooler is a better option than a two speed cooler. Portable room air conditioner is designed to provide quiet efficient cooling to any room with no permanent installation This Air Conditioner features Electronic keypad with a wireless remote control and full thermostat control This stateoftheart AC Air Conditioner is perfect for cooling rooms up to 200 square feet Interior vents help to distribute cool air evenly throughout a room What makes this room air conditioner so unique is that it has Memory IC which will restart unit when power resumes after power failure and has independent dehumidifier function This Air Conditioner has Casters which allow s it to be easily moved from room to room with no heavy lifting This air conditioner is Great for use in small apartments condos offices attics bedrooms dorm rooms work areas basements etc.

The Truths About Swamp Coolers That You Really Need To Know by Bill Urell

There are various types of devices that may be used to help cool off a humid room. Most people today use standard airconditioning, but there are those who are fans of alternative tools and, instead, choose swamp coolers.

No, a swamp cooler is not in any way linked to dark and murky swamp. It is a new type of refrigeration system that makes use of the simple process of evaporation to give off cool air. Also called a desert cooler, an evaporative cooler, or an air cooler, the swamp cooler differs from the regular airconditioner in a way that the latter employs a compressor and a heat pump to operate.

A swamp cooler is best for environments with low humidity, where its installation is relatively cheap compared to traditional airconditioners. Areas with high humidity may also benefit from swamp coolers, like dry cleaners, greenhouses and industrial plants. But it is really best for environments whose humidities are relatively light.

There are two types of cooling mechanisms under a swamp cooler. One is the indirect evaporative cooling, which happens in a closed circuit and makes use of a heat exchanger. The other is called direct evaporative cooling, which happens in an open circuit, where warm and dry air is converted to cool, moist air by reducing the air temperature via the evaporation process.

Advantages and Disadvantages of Swamp Coolers

There are a number of reasons why swamp coolers are a better choice than traditional airconditioners.

First, they are a lot less costly to install. When compared with refrigerated air conditioners, setting up a swamp cooler costs about an eighth to half. Operating it is also cheaper, accounting for just a fourth of what is expended on refrigerated air. You are also more likely to spend a lot less on energy because a swamp cooler's operational system is based simply on a water pump and a fan. Patrons of swamp coolers also attest that the air is relatively fresher.

However, while it has its merits, it also has several trade offs. One is that it relies on water to function. Thus, you will have to keep checking if it has enough in its tank and its pads are always wet. It is also more expensive to maintain, particularly during cold weather and winter, because it can easily freeze burst.

Another disadvantage to using a swamp cooler is that the air it gives off is very humid, at around 80% to 90%. It is therefore not very advisable in high humidity environments because it will eventually corrode your electrical systems and moisten surfaces. The evaporated air will consequently condense, which becomes a big nuisance.

A swamp cooler is also not advisable if you have asthma because pollutants and other microbes from outside might be blown into the room if it has not ample filtering.

In sum, while this device provides a less costly alternative, it comes with a catch. If your priority is to cut corners, then this product is for you. If you've already gotten used to traditional air conditioners and really find nothing wrong with using them, then there's no reason to make a switch.

Now there is a gallery of powerful information yours for the taking. Decide now to upgrade your cooling system and improve the quality of your life. Click here: Portable Swamp Cooler

Article Source: http://www.rightarticle.com/

Wednesday, April 6, 2005

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