Our friends at Thrifter are back again, this time with a sweet deal on one of the best smart thermostats out there!

Amazon is offering the ecobee3 lite Wi-Fi Thermostat for $139.92 with free shipping. This smart thermostat generally sells for closer to $170 (its full retail price), which makes this deal a must-buy if you've been eyeing this highly-rated smart thermostat. Being HomeKit-compatible, you'll be able to use Siri commands to adjust the settings, change the temperature, and more.

Smart thermostats can help save "an average of 23% annually on your heating and cooling bill", which means that over time the investment will pay for itself.

See at Amazon

For other great deals on tech, gadgets, home goods and more, be sure to check out our friends at Thrifter now!