Most of the time, your smartphone or the web is enough to control the thermostat.
With Thermos, you’ll head over to the notification center and control your Nest.
Thermos ($2.99)| iTunes App Store viaiDownloadBlog
Thermos Controls Your Nest From OS X’s Notification Center
Mac: If you have a smart thermostat like the Nest, you can control it from your smartphone with an app or your voice . If you're on a Mac desktop,
