What the Eco Button for Your AC Actually Does—And When To Use It, According to HVAC Pros

The eco button is an energy-saving setting on your AC. Here's how to use it correctly, according to HVAC professionals.
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Most people make this mistake: Learn the correct way to switch off your AC, or else the expensive compressor could get damaged!

We all know how to operate an AC (air conditioner)—simply press a button on the remote or give a command to a smart speaker ...