Posted on February 17, 2018February 17, 2018 by adminIssues with Zone Systems working with HVAC Inverter Systems https://www.energyvanguard.com/blog/44187/Navigating-the-Twilight-Zone-The-Hidden-Flaw-in-a-Zoned-Duct-System Ecobee vs. ComfortNet and other Communicating Thermostats from ecobee
