The Nest is one of the most popular home automation devices in existence right now, but due to incompatibility with HomeKit, iOS users can’t control their Nest Learning Thermostats using Siri.
Fortunately, a workaround has been found. It’s called Homebridge, and it’s a NodeJS server that runs on your Mac. Homebridge allows iOS devices to interface with incompatible home automation devices like the Nest using HomeKit.
This means that it is now possible to control the Nest with Apple Watch, iPhone, and iPad using Siri. No jailbreak required.... Read the rest of this post here