Home & Garden

What is an Air Conditioner’s SEER Rating

August 31, 2022

You may be like most homeowners if you are likely investing in an energy-efficient air conditioner to cool your home effectively and save money at the same time. If you want your air conditioning and HVAC system to last long, you must do more than adhere to regular AC and heating tune-ups.

However, even if you take care of your air conditioning unit accordingly, you would have to replace it at one point or another. If you want to stay comfortable while saving on energy costs, there is one important factor you need to consider when planning to get a new AC system—a SEER rating. 

The Lowdown on SEER Rating

SEER stands for Seasonal Energy Efficiency Ratio. SEER rating measures your air conditioning’s cooling efficiency by calculating the cooling output for a typical cooling unit and dividing it by the total electric energy consumption during the same time frame. The higher the SEER rating, the more efficient a model is.

AC units with higher SEER also offer better comfort control and humidity by using blower motors and variable speed compressors. Some utility companies encourage using high-efficiency equipment by providing incentives such as rebates and tax credits.

What a Good SEER Rating Iswa

The US Department of Energy enforces a SEER rating of 16 to 18 for mid-efficiency air conditioners. On the other hand, a high-efficiency unit has a SEER rating of 20 or above. However, a good SEER rating is not the only factor to determine the most suitable AC unit for your home.

Aside from SEER rating, other important factors include the climate, humidity, size of your home, and the current heating and cooling system installed in your home. You can also check the SEER rating of your current system online. You can use your system’s model and serial numbers to check online.

The Benefits of High-Efficiency Systems

Investing in high-efficiency AC units offers several enticing benefits, including:

Lower Utility Bills 

Systems with high SEER ratings will use less energy so that you can save on your energy bills. Switching from an 8 SEER unit to a 16 SEER unit can help you save as much as 50% on your energy bill. Here’s the simple equation: higher efficiency equals lower bills.


High-efficiency systems will not only ensure indoor air is kept at the preferred temperature but can also effectively remove moisture from the air. Since modulated systems can run longer cycles, it helps cool the air more comfortably. Air that cools too fast without proper moisture removal might lead to mold and other airborne problems.

Environmental Impact

Since high-efficiency systems will use less energy, they can help ensure fewer greenhouse gas emissions. Using less electricity also translates to fewer fossil fuels burned. This upgrade can be good for both the environment and your wallet.

Final Thoughts

Lastly, a high-efficiency AC unit can be an enticing feature if you are looking to sell your property. Check the infographic below if you want to know more about SEER rating and why it’s important.

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