Variable Speed Furnace Thermostat

The modulating thermostat outputs a pulse width modulated signal on its v terminal that controls the gas valve on the furnace over a 40 100 power range.

Variable speed furnace thermostat.

The best smart thermostats for 2020. Variable speed fans high voltage forced air systems with fans and proprietary systems with fans aren t compatible with either the nest learning thermostat or the nest thermostat e. A two stage or variable speed system may only be operating at a single speed because the thermostat or control system doesn t allow for two stage wiring. According to the thermostat manual amplitude of this signal is about 10 vdc frequency is 1 hz and the pulse width is variable 350 to 950 milliseconds in steps of 50 msec.

Better airflow control has several benefits. Save you as much as 33 percent on heating costs and up to 15 percent to 25 percent on cooling. A dual fuel system which is comprised of a gas furnace and a heat pump should be connected to a thermostat or control system that can accommodate the specific heating set points. These digital thermostats adjust the temperature automatically throughout the day.

The trane comfortlink 1050 or 850 thermostat that comes with your new variable speed furnace has the ability to read temperature and humidity and turn the system on when relative humidity not just temperature spikes beyond your comfort threshold. The term variable speed refers to the furnace s indoor blower motor which moves at different speeds to precisely control the flow of heated and cooled air throughout your home.