A well designed thermostat should control the auxiliary and emergency heat when installed properly. http://www.behvac.com/troubleshooter41.htm http://www.behvac

A well designed thermostat should control the auxiliary and emergency heat when installed properly. http://www.behvac.com/troubleshooter41.htm http://www.behvac.com/troubleshooter41.htm http://support.nest.com/article/What-s-Emergency-Heat-and-does-Nest-support-it http://support.nest.com/article/What-s-Emergency-Heat-and-do...