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EER vs. SEER: How Do They Differ from Each Other?

EER and SEER ratings on air conditioners may have caught your eye. When choosing the ideal air conditioner for your house or place of business, these evaluations are quite important. In order to assist you see the importance of these ratings for making an informed selection, a quick comparison of EER and SEER is provided below.

EER

A assessment of an air conditioner's energy efficiency at a certain outside temperature is called the Energy Efficiency Rating (EER) (35 degrees C). A higher EER value means the air conditioner is more effective. By dividing the input electrical power, measured in watts, by the cooling capacity, measured in British Thermal Units (BTU), one may determine the efficiency ratio (EER).


EER vs SEER

The SEER (Seasonal Energy Efficiency Ratio) rating represents the ratio of an air conditioner's cooling effectiveness over a typical cooling season to the energy it uses in Watt-Hours. EER rating is used to determine an air conditioner's energy efficiency at a specific temperature, whereas SEER measures an air conditioner's energy efficiency over the course of an entire season at various outdoor temperatures.


Which rating should choose?

Both ratings should be taken into consideration because they have different applications.

  • The EER, which is calculated at one peak temperature, is the efficiency of an air conditioner during peak cooling times.

  • The SEER rating measures an air conditioner's energy efficiency at a range of outdoor temperatures, including the high and low points of a typical home's cooling cycle.

You should take EER ratings into account if the temperature at your location is 35°C or higher. SEER ratings should be taken into account for areas with moderate climates.

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