My thermostat has three wires. Am I compatible with ecobee?
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Thermostat Wiring to a Furnace and AC Unit! Color Code, How it Works, Diagram! - YouTube
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Cync Thermostat Wiring Configuration and Installation Guide
Cync Thermostat Wiring Configuration and Installation Guide
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Fixr.com | Thermostat Wiring 101: How to Wire a Thermostat for Your Home
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Fixr.com | Thermostat Wiring 101: How to Wire a Thermostat for Your Home
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