https://www.cnet.com/news/watch-out-nest-ecobee-just-got-an-additional-36m-to-make-smart-devices/ > That brings their investment total up to $155 million. > Ecobee makes smart thermostats, including our current favorite -- the $249 Editors' Choice-award winning Ecobee4. In addition to its user-friendly app and optional DIY installation, the Ecobee4 has an Alexa speaker built into it. It also works with Google Assistant and HomeKit, Apple's Siri-powered smart home platform.