DropAir Adapter's Dropair Converter Kit allows you to connect your smart thermostat to the existing air conditioning (AC) in your home. It is easy to install, provides stable performance, and is compatible with many different types of AC systems. The Dropair Converter Kit works with both Google Nest and Ecobee/Lux levels and provides reliable control, energy savings, and year-round co... https://www.dropairadapter.com/dropair-installation.html