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When shopping for an air conditioning unit replacement or evaluating your current system’s performance, you’ll likely come across a handful of familiar numbers like the price, tonnage, and wattage - and then there’s SEER. The Seasonal Energy Efficiency Ratio, or SEER, might not be the first detail you notice on your HVAC system’s spec sheet, but it plays a huge role in how comfortably and efficiently your home stays cool.
In fact, SEER is the number that tells you how hard (or easy) your AC works to keep up during the hottest days of the year - and how much it’ll cost you to do so. In this brief article brought to you by Purified Air, we break down what SEER really means, why it matters, and how understanding it can help you make smarter decisions when it comes to AC repair or replacement.
If you'd rather consult with a trained professional from a reputable HVAC company in Silver Lake, CA, then call or message Purified Air to get in touch with a local member of our team.
SEER is a measurement of how much cooling your air conditioner provides per unit of energy it uses over an entire cooling season. It’s calculated as the ratio of total cooling output (in BTUs) divided by total energy input (in watt-hours). The higher the number, the better the efficiency.
To put it in real-life terms: Think of SEER like miles per gallon for your car. A higher MPG means your car goes farther with less fuel. Likewise, a higher SEER means your AC cools your space more effectively with less electricity.
In the past, systems with a SEER of 10 or 12 were common. Today, the U.S. Department of Energy mandates a minimum SEER rating of 14 in many regions. Newer high-efficiency models reach ratings of 20 or higher. Here's a general breakdown of the ratings:
If your current system has a SEER below 13 (which is likely if it’s over 10–15 years old), then you could save significantly on your energy bills by upgrading to a more efficient model.
While SEER is important, it’s not the only factor to consider when it comes to efficiency and effectiveness. Things like installation quality, ductwork condition, thermostat calibration, and regular maintenance all affect your system’s performance.
We provide expert heating solutions, including installation, repair, and maintenance. Our team ensures energy-efficient systems for maximum comfort.
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Read MoreSome homeowners are surprised when their newer unit with a high SEER rating doesn’t seem to perform much better than the old one. This is often due to improper installation or airflow restrictions. Don't test your DIY prowess on your AC installation; let the professionals handle it.
If you're not sure whether to stick with your current system or consider a replacement, here are a few telltale signs to consider:
Upgrading to a unit with a higher SEER rating might save you more in the long run than another temporary fix. Plus, with today’s rebates and energy incentives, a high-efficiency system is more affordable than you might think. At Purified Air, we typically recommend a replacement when the cost of repairs exceeds half the price of a new unit.
Still have questions or concerns? Purified Air is your go-to HVAC company for all things air conditioning. Whether you need your unit inspected or you want a brand new HVAC installed, the dedicated professionals at Purified Air are ready, willing, and able to help. Call or message us today to get in touch.
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