For those with one of Nest's Learning Thermostats gathering dust in digital shopping carts or gaining seniority on wishlists, the Google-owned company is taking 20 percent off the device's $250 price tag. Until July 4, the Nest Learning Thermostat will be sold at retailers for $200.

One of the Nest Learning Thermostat's biggest selling points is its Auto-Schedule feature, which takes notes about its home or office's preferred temperature settings. After about a week, the thermostat programs itself.

Other features of this connected thermostat include Eco Leaf, which displays a green leaf to let users know when their HVAC systems are running at a setting that saves energy. And there's also Farsight, which displays time, temperature or weather whenever it notices a person nearby.

Because it's a smart thing, the Nest Learning Thermostat's settings can be check or changed remotely from mobile devices and computers.

Back in March, Nest gave its learning thermostat the powers of Home/Away Assist. The feature builds on geofencing, a common approach that determines what temperature setting to run depending on whether the administrator's smartphone is at home or away.

Home/Away Assist builds on the Family Plan feature Nest introduced last month, which allows up to 10 members of a household to access the thermostat remotely.

"When family members opt in, it lets Home/Away Assist use data from their phones - Android or iOS," Nest says. "So Home/Away Assist will switch to Away only if everyone is out. And it won't turn down the heat if someone is in a room not visible to any activity sensors."

And if the weight of the above features isn't enough to tip undecided shoppers off the fence, Nest introduced yet another way that its high-dollar Learning Thermostat can save users money.

Power companies often offer Time of Use plans, which notify customers of peak hours for power consumption. Those peak hours, such as frigid mornings and blazing hot afternoons, are the most expensive times of day to use power.

One of the main problems with Time of Use plans is forgetting to capitalize on them. And on top of that, peak hours change as the weeks and months roll on.

"That's where Time of Savings comes in," says Nest. "Sign up for the program and your energy company will share your electricity rates with Nest. Then your Nest Learning Thermostat will try to use less electricity when it's most expensive. Simple."

To buy the discounted Nest Learning Thermostat, head over to The Nest Store now.

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