What Is A Seer Rating? The Introduction Of Seer And Its Meaning

SEER RATING

The rating of efficiency is called SEER. It is a contraction of Seasonal Energy Efficiency Ratio. For a layman to understand, it is the efficiency rating same as miles per gallon (MPG) which shows rate of an automobile’s efficiency. For example your vehicle eats up twenty gallons of gas for a distance of 300 miles. By dividing 300 miles to 20 gallons you can get your vehicle efficiency of fifteen miles per gallons. 20 MPG of a vehicle would be extra efficient and less costly to manage as compared to a vehicle that gets 12 MPG and would cost you more definitely. In the same way SEER is used for HVAC (heating, ventilation and air conditioning).

In 70s, there were no standards of measuring the HVAC energy efficiency as such. To rate the HVAC units cooling efficiency, Energy Efficiency Ratio (EER) was introduced by the Conditioning and Refrigeration Institute. Considering an AC turns your room or place cooler, cost you less at the end of the month than the other one which almost does the same job but consumes more amount of energy: SEER reflects whole system efficiency more precisely on seasonal basis and EER reflects one specific operating state of system energy efficiency. Today there are many mini-ductless, residential AC unit systems available with SEER up to 27. The maximum SEER rating of the traditional air conditioning system with ducts is a little below these levels because of the duct-related losses.

All that you have to remember when buying an air conditioning unit for your home is to ask the SEER rating from the sales agent. In simple words, the higher the SEER rating is quoted, the better you should feel. Why? Because the rating shows the efficiency of your air conditioning system and a higher rating means a more efficient AC – an AC that would use less energy to produce more cooling and bring your energy expenses down at the end of the month.

The technologies we have today have developed ways to increase the ratings of SEER and EER further in the near future. DC brushless motors, rotary compressor, inverters and integrated system are some of these technologies we have today.

It is rare to see the system rated lower than the SEER 9 these days in the United States because the newer and more efficient units are being installed and replacing the old ones. Now for the residential systems which were manufactured in 2005 or after, the requirement of United States for SEER is minimum rating of 13. This law is not applied to the window units and they are exempt so their SEER is still up to 9 or 10. The existing units which are well upheld and still working – keeping the existing systems rather than proactively switching them is more cost effective. However, this must be remembered that whatever the SEER ratings are, if you are not maintaining your air conditioner regularly, things might not go very smoothly.

More information on SEER ratings and how you can buy a highly efficient air conditioning unit could be obtained from Climate Control Experts – a name you can rely on. With the recent tax credits, there is no reason why you should hold yourself back from buying a new more efficient air conditioning unit.

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