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SEER, EER and COP: Good Terms to Know When You A/C Shop

SEER, EER and COP: Good Terms to Know When You A/C ShopWhile you likely relish having a nice and cool place to come home to during the summer, you probably don’t enjoy the increase in energy costs every month. If you’ve been considering purchasing a new A/C, choosing one that is energy efficient can go a long way towards reducing your monthly expenses. To ensure you get the most bang for your buck, it’s vital that you understand what the efficiency rating you see on a different systems means. Get the scoop on SEER, EER and COP so you can make an informed decision that will help you find the an A/C that will keep your home comfortable, while saving you money.

What Does SEER, EER and COP Mean?

Your air conditioner is an important investment in your home. By having a basic understanding of A/C efficiency ratings, you’ll be equipped with knowledge that can result in huge monetary savings:

SEER (Seasonal Energy Efficiency Ratio)

The SEER for a system is determined by taking the cooling output BTUs during an average cooling season and dividing that amount by the total electrical energy input watt-hour in the same time period. The higher the system’s SEER rating, the more energy efficient it is. The minimum SEER rating today’s A/Cs can have is 13.

EER (Energy Efficient Ratio)

Like a SEER, an EER indicates the ratio of cooling output BTUs to electrical energy input watt-hours, but instead the figure being based on the cooling season, it is based on a system’s efficiency at a given point during its operation. System’s with an EER of 11.6 or higher will function more effectively during hot weather.

COP (Coefficient of Performance)

The COP is a measurement of how much power input to a system versus how much power output is produced by that system. Most A/Cs have a rating between 2 and 4. The higher the COP, the more efficient it is.

Do you need more info on SEER, EER and COP, or another topic related to home comfort? Please feel free to contact us Team Bob’s Heating Cooling Plumbing anytime. We’ve been proudly serving the Grand Traverse Country area since 1980.

Our goal is to help educate our customers in Traverse City, Michigan and surrounding areas about energy and home comfort issues (specific to HVAC systems).  For more information about energy efficiency and other HVAC topics, download our free Home Comfort Resource guide.

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