What is a SEER Rating?

If you’re in the market for a new air conditioner, now is the time to act. High temperatures and mugginess have already arrived here in Wynnewood, PA, and the longer you delay in making a replacement, the greater the chances of trouble when the heat really hits. If you’re considering your options with a new air conditioner, make sure you look very carefully at the SEER rating, which stands for Seasonal Energy Efficiency Ratio. It’s a measure of how efficient your new air conditioner is and—along with the power output—is the most important thing about it. Here’s why.

The Measurement

The SEER rating is derived fairly easily. You simply divide the air conditioner’s cooling output in British Thermal Units (BTUs) with the amount of energy the air conditioner consumes (in watt-hours). That gives you a number somewhere between 6 and 20 or thereabouts. The higher the number, the less energy the air conditioner needs to consume to do its job and the more savings you’ll enjoy over comparable use from a less efficient unit. As of 2015, all air conditioners must have a SEER rating of at least 13 (or 14 in some warmer regions), though if you have an older system that number may be much lower.

Why It’s Important

The SEER rating’s importance is obvious: a higher rating means that the air conditioner will do its job for less in monthly costs. But it’s not as simple as that. For starters a SEER rating isn’t the same as the power output levels, and you need your new air conditioner to put out a certain amount of power to do its job. (You don’t want to install a tiny unit with a higher SEER rating, because it will run longer to cool your home and defeat the purpose of that higher SEER  rating.)

Trust WM Henderson, Inc. to find the air conditioning system best suited to your home.

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