Creston’s New $599 Smart Thermostat Works In Homes Where Nest and Ecobee Won’t

Most smart thermostats draw power from a Common wire or rewiring your HVAC with adapters. Even with adapters, those thermostats often only work in a 4-wire modern HVAC system. But Crestron’s new $599 smart thermostat works with just two wires; no common wire or battery needed.

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