What Are SEER Ratings, and Why Do They Matter?

June 9, 2025

What Are SEER Ratings, and Why Do They Matter?

When it comes to air conditioning systems, SEER ratings are one of the most important factors homeowners should understand. Whether you're replacing an old system or exploring energy-efficient upgrades, knowing what SEER means can help you make smarter, more cost-effective decisions.

What Is a SEER Rating?

SEER stands for Seasonal Energy Efficiency Ratio. It’s a measure of how efficiently an air conditioner or heat pump cools your home over an entire cooling season. The higher the SEER rating, the more energy-efficient the unit is.

Think of it like miles per gallon (MPG) for your car. A higher SEER rating means the system uses less energy to deliver the same amount of cooling, helping you save on electricity bills.

How SEER Ratings Are Calculated

SEER is calculated by dividing the total cooling output of a unit (in BTUs) by the total energy it consumes (in watt-hours) during a typical cooling season.

This calculation reflects performance under varying temperatures—giving a more realistic view of seasonal efficiency than a single test condition. Units are tested across different temperatures to simulate real-world use.

What Is a Good SEER Rating?

As of 2023, the minimum SEER requirement in most parts of the U.S. is 14, while high-efficiency units often have ratings of 20 or more. Here’s a general breakdown:

  • 14–16 SEER: Standard efficiency
  • 17–20 SEER: High efficiency
  • 21+ SEER: Premium efficiency

Choosing a higher SEER unit often comes with a higher upfront cost, but the long-term energy savings and comfort improvements can more than make up for it.

Why SEER Ratings Matter to Homeowners
  • Lower Energy Bills: Higher SEER units use less electricity.
  • Environmental Benefits: Less energy consumption means fewer emissions.
  • Improved Comfort: High-SEER units often include features like variable-speed motors for more consistent temperatures and humidity control.
  • Rebates & Incentives: Many utility companies offer incentives for high-efficiency units.
Over time, these benefits add up—making SEER an essential factor when comparing systems.
How Fry Plumbing Can Help You Choose the Right SEER?

At Fry Plumbing, Heating & Air Conditioning, our experienced HVAC professionals can help you find the right system for your home, budget, and efficiency goals. We’ll walk you through the pros and cons of various SEER ratings and recommend the best fit based on your home’s size, insulation, and comfort preferences.

Plus, we handle everything from installation to maintenance—so your investment in efficiency pays off for years to come. If you're interested in Fry Plumbing's services contact us here!