Wi-Fi control allows users to adjust their HVAC settings via a smartphone app from anywhere in the world. This feature is built into the MRCOOL Olympus 4th Gen Wall AH 24,000 BTU. It provides convenience and helps save energy by allowing you to turn off the unit if you forget. Many items in our Accessories section include Wi-Fi adapters for older models. You can monitor your home's temperature while at work or on vacation. This is a standard luxury in our Single Zone mini-split offerings.