What's The Difference Between SEER And EER?
What do SEER and EER mean?
What do EER and SEER even stand for? And what is the difference? When doing a search to invest in a new air conditioning unit you may notice that you’re seeing these abbreviations: Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER). These two important ratios can help you select the best air conditioning unit that is right for you. We have some brief info on what the ratings mean and how you can use them.
What is the difference between SEER and EER?
When referring to SEER; firstly, the main difference is in the “S” since “S” stands for seasonal, SEER is used to measure an entire season and how efficiently an air conditioner is working over the course of an entire season. This is the most common way used to measure the efficiency of an air conditioner. SEER is calculated using outside temps which range from 65 degrees to 104 degrees F.
Let’s talk about EER. One of the most important things to know about EER is; the higher the EER rating the more efficient the air conditioner is. It is a standard measurement of energy efficiency, especially when the outside temperature is 95 degrees. EER is most useful when you are looking to compare single room air conditioners such as mini-splits, portable or window units or such as.
How do I calculate EER?
The cooling Capacity (Maximum BTUs) is divided by the Maximum cooling Wattage. So for example, if the BTU’s is 22,000 and the wattage is 1,820 divide 22,000 by 1,820 and the EER = 12.
Energy labels are attached and will be visible on all new AC units. If you’re buying a room AC the EER should be shown on the label, for central AC’s the SEER is what you’ll see on the label. Along with the EER and SEER, a few other important information you’ll want to pay attention to is the estimated yearly cost, which is based on the national average. The second important detail to look for is the Appropriate ratio: this is where the EER and SEER will be shown. And Lastly, the Energy Star seal will be shown which means it has been verified to meet efficiency standards, products on the market with this seal are sure to be cost-effective for you.
If you have any further questions regarding SEER vs. EER and which products and equipment are right for you please do not hesitate to call us!
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