The NEST thermostat is a popular smart thermostat that can be easily installed to control the temperature of your home remotely. The NEST thermostat Installation process involves turning off power to your HVAC system, removing your old thermostat, installing the NEST base plate, connecting the wires, and attaching the NEST display. The process can typically be completed in under 30 minutes with the help of step-by-step instructions provided by NEST.