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GSHA Services, LTD  provides Generator, Furnace, and Air Conditioner, Installation, Repair, and Maintenance for Chicago and the surrounding communities.
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The Nest Learning Thermostat, is smart thermostat allows to you easily control the temperature in you home.The device is very sophisticated, but at the same trivial to use. The Nest Learning Thermostat automatically adapts as your life and the seasons change.

So much to discover - Nest Learning Thermostat
If you like to have a night a few degrees less at home, Nest is remembered and he will lower the temperature at night. If there is no one at home Nest turn off heating. The Nest Learning Thermostat help save you energy and money. Independent studies showed that it saved people an average of 10-12% on heating bills and 15% on cooling bills. So in under two years, it can pay for itself.

Save energy and money
No more programming. Thanks to Auto-Schedule, Nest learns your needs and programmed himself.
Heat the empty house. Thanks Auto-Away, Nest turns itself downa temperature when you left
Know more, save more. with the option of saving the history of energy, you can see how much energy you have used and why.
Change the temperature to save energy and you’ll be rewarded with a Leaf. The Leaf learns how to help you save energy.
See your home 24/7 – in super clear 1080p HD. Nest Cam Outdoor and Nest Cam Indoor helps you keep an eye on what matters. Nest products help you keep your family safe, and stay connected to what's important.
See your home 24/7
The new Nest Protect it has an industrial-grade smoke sensor, tests itself automatically, and lasts up to a decade. It's also the first home alarm you can hush from your phone without any extra hardware required. And just like the original Nest Protect, it tells you what’s wrong and can even alert your phone.
Nest Protector smoke and CO alarm
Watch video 
Watch video 
No matter which Nest products you have, or how many different types of phones and computers you use, the Nest app just works. It brings everything together in one place. So you don’t have to switch between apps. And you don’t need to program everything to work together. It all happens automatically. 

Nest app. Everything in one place.
Watch video 
Nest Thermostat for 
$125 Installed!
Applies to Comed, Nicor, People's Gas and Northshore Gas customers.