Pirate wrote:
My home honeywell thermostat is set up for ac, heatpump, and emerg. heat. I wonder if it would consider the gas furnace as emerg. heat? I may investigate a new thermostat. Besides, my honeywell thermostat has a recirc mode and auto switches (2 deg separation of course) between heat and cool as needed.
https://customer.honeywell.com/en-US/pages/product.aspx?cat=HonECC%20Catalog&pid=TH8320U1008/U
Their are new thermostats that can be setup to use your gas furnace as the "emergency heat" making your system a "duel fuel" heat pump. These are the new popular systems and are considerably more efficient that electric resistance heaters.
The new thermostats can monitor the outside temperature and switch to the gas furnace when temperatures drop below the efficient heat pump temps.
