e-wire™ saves 0.5 to 2W or 4 to 17 kWh/yr compared to other adapters

e-wire™ . lasts 10 times longer, easier to install, made in USA, and is the most energy efficient common-wire adapter in the world for smart thermostats

e-wire™ has a 5-year warranty and lasts for life of HVAC system or longer

US EIA indicates 60 million U.S. homes do not have a common wire at thermostat to provide reliable power to smart thermostats