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What is a SEER Rating and Why Does it Matter?

Whether you’re replacing your old AC or installing one in new construction, the options for the brands and types of AC units you can buy are endless. With so much information to sift through, a unit’s SEER rating may seem like just one more number you don’t understand. However, SEER Ratings are an important part of choosing an air conditioner.

What is a SEER rating?

SEER stands for Seasonal Energy Efficiency Ratio, which refers to how much energy — and therefore money — an AC will use over the course of a year. Simply put, SEER ratings allow buyers to compare units to see which ones are more energy-efficient. You’ll find a SEER rating on every ductless, window and central air conditioner. 

How to Calculate SEER

SEER ratings are calculated by dividing the energy output by the electrical energy input during a certain period of time. It can also be calculated by dividing the cooling power by the amount of energy used during the “cooling season,” or summer. This is done because the cooling season is when the AC must work the hardest to maintain a constant temperature.

What’s a normal SEER Rating?

Today, SEER ratings range from 13 to 25, with 13 being the minimum rating required by the U.S. Department of Energy. In southwestern states with hotter climates, including Texas, the minimum SEER rating is 14. On average, homeowners choose air conditioners with SEER ratings between 15 and 18. 

Why SEER Ratings Are so Important

Although SEER ratings aren’t the only factor you should consider when buying a new ac unit, they determine two important things: cost and efficiency. Air conditioners with higher SEER ratings cost more money because they’re made with better materials and technology. However, they’ll also save you money over time with their high-efficiency operation. SEER ratings are a great indicator of your upfront cost and long-term cost. The more you invest upfront, the more you’ll save over time.

Air Clinic DFW is the air conditioner installation company Arlington residents count on. Contact us today to receive more information about SEER ratings and buying a new AC unit from our friendly and knowledgeable service representatives.

Why Choose Air Clinic?

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Professional Team
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What Our Customers Say

Professional and Knowledgeable

Air Clinic has always been fantastic to work with. Honest, reliable and flexible. They have excellent communication and fair prices. I’ve used them for 8 years now!


Outstanding Job

Ryan, Justin, Austin and Kevin did an outstanding job. The communication among us for the H/VAC exchange was right on point. I would highly recommend this company to family members.


Friendly and Helpful

Fantastic company Andrew and Steven did a great job. Very friendly and helpful on set up.


Reliable and Professional

Service was on time technician very clear with our problem and addressed it. Price quoted was the same price at the end of service.


Professional and Punctual

Bought my AC unit through Lowes and was installed by Air Clinic. They did a great job. They were professional and punctual.