https://www.cozyhomehq.com/no-c-wire-for-thermostat/ Wed, 11 Dec 2019 07:11:52 +0000 hourly 1 https://wordpress.org/?v=5.8.3 https://www.cozyhomehq.com/no-c-wire-for-thermostat/#comment-11 Mon, 15 Aug 2016 06:43:41 +0000 http://mythermostatreviews.com/?p=230#comment-11 A large number of homes, especially the older ones, don’t have an additional C wire which the modern thermostats need. The job of this C wire is to establish a connection between the furnace or air handler and the thermostat to ensure that they can communicate and use the features of the modern Wi-Fi thermostats appropriately.

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