Nest Learning Thermostat (2015)by Nest

Unique to the third-generation Nest is a feature called Farsight, which can sense your presence from across the room, and light up to show y…

Unique to the third-generation Nest is a feature called Farsight, which can sense your presence from across the room, and light up to show you the temperature and time. You can choose between a digital or an analog face.

Where previous Nest thermostats relied on near-field sensors alone (which have a roughly 3-foot range) to pick up on motion activity, this v…

Where previous Nest thermostats relied on near-field sensors alone (which have a roughly 3-foot range) to pick up on motion activity, this version tacks on a far field sensor for a new function it calls Farsight.

Coming from the Nest 2nd generation (and the 1st generation prior to that), the biggest improvements with the 3rd generation seem to be the …

Coming from the Nest 2nd generation (and the 1st generation prior to that), the biggest improvements with the 3rd generation seem to be the larger display and the farsight wakeup. The new display is significantly larger than the 2nd generation's display.

The new Nest Thermostat should be more accurate, thanks to more temperature sensors, and better at “learning about your home.”

The new Nest Thermostat should be more accurate, thanks to more temperature sensors, and better at “learning about your home.”

The internet-connected device can be controlled remotely using an app, and learns how you use it over time, so eventually it learns to turn …

The internet-connected device can be controlled remotely using an app, and learns how you use it over time, so eventually it learns to turn the temperature in your home up or down based on your personal habits.

The Nest Learning Thermostat has been proven by third-party researchers to save people, on average, about 10 to 12 percent on their heating …

The Nest Learning Thermostat has been proven by third-party researchers to save people, on average, about 10 to 12 percent on their heating bills and about 15 percent on their cooling bills.

The circular screen (24-bit color LCD) is 2.08-inches in diameter, and has a resolution of 480 x 480 pixels, which is a definite step-up fro…

The circular screen (24-bit color LCD) is 2.08-inches in diameter, and has a resolution of 480 x 480 pixels, which is a definite step-up from the last generation device’s 320 x 320 display resolution.

The most obvious difference between Thermostats 2 and 3 is the new model’s larger, higher resolution screen. Nest has shifted from a 1.75″ 3…

The most obvious difference between Thermostats 2 and 3 is the new model’s larger, higher resolution screen. Nest has shifted from a 1.75″ 320×320 display to a 2.08″ 480×480 display, which it notes is now 229PPI--a treat if you’ve been jonesing for a thermostat with a Retina display.

Installing the Nest was shockingly easy--it was simpler than replacing a lighting fixture.

Installing the Nest was shockingly easy--it was simpler than replacing a lighting fixture.

Before, Nest’s small profile and lower resolution meant you needed to be about three feet away to see what was on the screen. Now, Nest prom…

Before, Nest’s small profile and lower resolution meant you needed to be about three feet away to see what was on the screen. Now, Nest promises “across the room” viewing, so you don’t have to squint to see what your thermostat is up to.

There’s a reason why it’s called a “learning” thermostat as it can learn your shutoff patterns and then send you a Heads Up message through …

There’s a reason why it’s called a “learning” thermostat as it can learn your shutoff patterns and then send you a Heads Up message through the Nest app and also on the Home Report.

"Furnace Heads-Up" is a new feature that checks for shutoff patterns in a heating or forced air furnace that could indicate a problem.

"Furnace Heads-Up" is a new feature that checks for shutoff patterns in a heating or forced air furnace that could indicate a problem.

One other handy feature I found is that I can set a PIN to lock others out from manually changing the temperature outside of a range I prese…

One other handy feature I found is that I can set a PIN to lock others out from manually changing the temperature outside of a range I preset. Some members of the household have been known to cool the house to the mid-60s on warm days.

If you've ever had issues with your Nest dropping off your WiFi connection, you might be eager to know that the 3rd-gen model adds WiFi b/g/…

If you've ever had issues with your Nest dropping off your WiFi connection, you might be eager to know that the 3rd-gen model adds WiFi b/g/n 5GHz to the existing 2.4GHz of the previous models.

Nest’s third-generation product includes new features such as a 40 percent larger screen and Farsight, which spots you across the room and l…

Nest’s third-generation product includes new features such as a 40 percent larger screen and Farsight, which spots you across the room and lights up so you can read the temperature.