Nest Labs, part of the Alphabet group, Tuesday announced the third generation of its Nest Learning Thermostat.

The $250 device has a slimmer profile, a high-resolution screen that’s 40 percent larger, and an updated user interface that Nest says makes it easier to read temperatures, alerts and messages.

Nest says the new thermostat can interoperate with the Nest Cam security camera and the Nest Protect smoke alarm.

A new feature called Farsight automatically displays the temperature or time when it senses movement in the room.

“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,” said Maxime Veron, head of hardware product marketing at Nest.

Veron says the third-generation Nest Thermostat will be available at 7,000 retail locations and from 25,000 Nest Pro installers. They’ll also be available through energy and security partners such as Southern Company, Direct Energy, SunEdison, Infinite Energy, Reliant, and ADT.

The thermostat also has a new feature called Furnace Heads-Up. Most heating and forced air furnaces have an automatic shutoff to avoid overheating. Twice a year, the Nest Thermostat will look for shutoff patterns that indicate there’s a persistent problem. If it detects one, the user gets a Heads-Up message in the Nest app and on the thermostat screen. (Furnace Heads-Up will be available for first- and second-generation thermostats later this year).

The third-generation Nest Learning Thermostat is available at Nest.com and Amazon for $249. Other retailers will begin selling the product soon. The second-generation Nest Thermostat drops to $199 at selected retails.

Nest launched the first-generation Nest Thermostat in October 2011, followed by the second-generation in October 2012.