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When buying new central air conditioning equipment, it is very important to have the work done by a qualified contractor. Most review sites and available information say that the best way to save money on a central conditioning unit is by hiring a good contractor. This is followed in close second by picking an energy efficient system. A proper installation of a central air conditioner will ensure that the unit is tightly sealed and no energy is wasted thought leaky ducts thus saving as much money as possible.

When speaking of saving money through efficient air conditioning systems the topic of SEER usually comes up. Central air conditioners are rated by something called SEER or seasonal energy efficiency ratio. Without going into details, the higher the SEER the more efficient your central conditioning system is thus saving you money and helping the environment through less power demand.

Most central air cooling systems run on Freon and have for many years but this is apparently going to change. Freon will be replaced by a newer refrigerant called Puron that is friendlier to the environment no later than 2010. The good news about this is that although Puron powered central air conditioners may cost more initially, the Freon machines and parts are going to get scarce. Getting scarce parts for your conditioning unit will cost you as all the older machines start to break down and need repairs, but parts are harder to find.

Speaking of costs, this is the one glaring down point of a central cooling system. While cost may not be an issue for some, the central air conditioner unit is the most expensive way to cool your house on the initial investment. Because the conditioning unit must be installed and venting systems run, you will have to hire a contractor. Therefore part of the cost of getting a central cooling system will depend the flexible pricing of the local contractor. With the unit air conditioning systems this is not an issue, but again with the unit systems you can only cool one room at a time and they could be a bit of an eye sore in a posh setting.

Explaining about differant kinds of air conditioners, how they work and what to look for when buying your first portable or window air conditioning unit.

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As many as eighty percent of the new homes being built in the U.S. are built with central air conditioning units installed. Central air just makes sense, as it keeps the indoor temperatures comfortable while filtering and dehumidifying the air. This is particularly nice for people who suffer from allergies or asthma. Fortunately, central air conditioning units can be installed in preexisting homes, too.

When shopping around for central air conditioning units, there are several things to consider. One is the size of the home you will be cooling. Air conditioning units come in different sizes, so it is important to choose the most efficient size for the cooling job you have in mind. If the unit is too large, it won’t dehumidify properly. To determine the right size, consult a contractor. They should have access to a calculation method called “Manual J” that can help you choose a size.

Another important consideration in central air conditioning units is a rating called the SEER rating. These letters stand for Seasonal Energy Efficiency Ratio. New air conditioners are required to have a rating of 13. A unit that was installed over twenty years ago probably has a rating of only 7 or 8. This is because technology has improved the energy efficiency.

By replacing old inefficient air conditioners with new central air conditioning units, you can save a lot of money in cooling costs. It is estimated that increasing the SEER rating from 11.5 to 13 could save you over $500 each year in cooling costs. Also, look for “Scroll(tm) technology” when choosing a compressor for the latest in efficiency.

Another thing to look for in central air conditioning units is the “Energy Star.” This is a certification given to new appliances that use less energy than other new models. Of course, they use a lot less than equivalent units that are a number of years old.

When installing central air conditioning units, the location of the outdoor unit can make a big difference. If it is surrounded by vegetation or is under a deck, the air will not be able to flow freely in and out of it. Not only that, the units can be noisy. Don’t install it near an area where you like to enjoy eating or visiting outdoors, such as a patio or deck.

Carlo Morelli writes for onlinetips.org, where you can read more about portable air conditioners and ductless air conditioners.

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