Comparison: ecobee4 vs. ecobee3 smart thermostats

“Alexa, compare these two thermostats.” When ecobee announced the ecobee4, a completely new update to its flagship thermostat, we were intrigued. We already think the ecobee3 is awesome, so what’s the deal with the 4? Let’s take a look! Summary The ecobee4 is just like the ecobee3, except now Amazon’s Alexa is built into the device.…
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