If you took the test in this time period, your scores are valid five years from the end of the testing year when you took the test. GRE testing years begin on July 1. This means that a test taken on May 15, 2015, remains valid until June 30, 2020.
ecobee is a home automation company that makes thermostats for residential and commercial use. They are controlled using a companion app available for iOS, Android and the Apple Watch.
The ecobee3 is ecobee's flagship product. It is a touchscreen thermostat that works with up to 32 remote temperature and motion sensors so it can adjust the thermostat based on where you are. It also has IFTTT integration. There is also a version of the ecobee3 that works with Apple HomeKit.