Sorry, the web browser you're using is not supported by this website.

Please use Google Chrome, Firefox, Safari, or another browser to access Thank you.

Skip to main content

We use cookies to enhance your experience. For details on how we use cookies, collect data, & how to manage your consent please see our Cookie Policy & Privacy Policy.

How is EER measured?

The acronym EER stands for Energy Efficiency Ratio. The EER rating is calculated by dividing the British Thermal Units rating by the Wattage. An EER rating of 10 is used for a 12,000 Btu air conditioner that uses 1,200 Watts.

Let's Get It Fixed!

HomeX virtual experts will assess your issue (for free!) and can resolve simple problems.

What Did You Think of This Article?

What Did You Think of This Article?

Shop Recommended ProductsShop HomeX Recommended Products