Central air conditioning units are the ultimate form of cooling your home.   They can provide cool air into every single room of your home without having to put holes into your walls or take away from the scenery or function of your windows.  Central air conditioning units use the air ducts and vents to travel to the different rooms in your home or office building.  They are also virtually noise free. Go here if you have a portable air conditioner.

Another great feature that many people like is the fact that central air conditioning units are nearly invisible.  You will not find central air conditioning units inside your home.  All you will see is a compressor located outside hidden from the main view of your home.

Central air conditioning units can help to dehumidify air that is coming in.  If you use a dehumidifier, you will increase your energy use because the air conditioner and the dehumidifier will have to work harder.  Try using a dehumidifying heat pipe.  This can be added as an addition to central air conditioning units.

Different types of Central Air Conditioning Units

There are two types of central air conditioning units, which are:  split-system units and packaged units.  A split-system unit is an outdoor metal cabinet that houses the condenser and compressor.  It also consists of an indoor cabinet that carries an evaporator.  This indoor part contains a furnace or an indoor part of a heat pump where the evaporator coil is installed in the cabinet.  A split-system is the most economical central air conditioner if your home has a furnace but no air conditioner.

The other type of central air conditioning unit is the packaged central air conditioner.  With this unit, the evaporator, condenser, and compressor are located in one cabinet.  It is generally put on the roof or on a concrete slab near the house’s foundation.  A packaged air conditioner will use the air supply and return ducts from indoors through your home’s exterior wall or roof.  This type of unit generally will have electric heating coils or a natural gas furnace.  Because the air conditioner and central heater are combined, there is no need for having a separate furnace.

Central Air Conditioning Units are More Efficient than other Types of Units

If you purchase a central air conditioning unit that is energy-efficient, you can reduce your energy use.  The more energy you can save, the better it is not only for your pocket book, but for the environment.  Generally, an average home will consume more than 2,000 kilowatt-hours of electricity per year.  This causes power plants to release 3,500 pounds of carbon dioxide and 31 pounds of sulfur dioxide into the environment.

Older central air conditioning units can cost you a lot of money.  While purchasing central air conditioning units may cost you more upfront, in the end, an energy-efficient version will pay for itself in time.

How to Choose Central Air Conditioning Units

Choose central air conditioning units that use 30% to 50% less energy.  Size and installation are important when trying to determine how effective a unit will be.  Air conditioning units that are too big will not remove the humidity like it should.  Units that are too small will not be able to cool your home properly.  If the unit is not in a good location, if your home has poor insulation, or the ducts have not been installed properly, your air conditioner will not run at its optimum performance.

Central air conditioning units are perfect for those long, hot summer days when you want to go into any room in your house and simply relax and chill.

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Comments (1)

• |2011-08-23 09:37:52 Drew  - An easy DIY repair on your AC unit.
  If your AC outside unit is on but the fan isn't running, it could mean that your capacitor has gone bad. Go to the back of your outside unit and look inside the access panel with the electrical warning sticker on it, if the capacitor is bowed up at the top, it needs to be replaced. If it turns out to be the capacitor, follow this link for a new capacitor replacement kit, it will save you hundreds of more dollars than calling an HVAC repair company to charge you an arm and a leg. The kit also comes with the proper tools and parts needed as well as detailed instructions on how to replace the part yourself. http://hvacrepairkits.com/index.php/content/article/68
  I hope this helps!
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