Controls range from straightforward programmable thermostats to communicating systems that let equipment share diagnostics and modulate output rather than simply switching on and off.
Honeywell TH6320U2008/U — TH6-T Series Programmable Thermostat
Honeywell TH8321WF1001/U — VisionPRO 8000 Touchscreen Programmable Thermostat
Pro1 T625-2 — T600 Series Programmable Thermostat
Pro1 T701 — T700 Series Digital Non-Programmable Thermostat
Pro1 T721 — T700 Series Non-Programmable Thermostat
Pro1 T751 — T700 Series Universal Non-Programmable Thermostat
Pro1 T755 — T700 Series Advanced Programmable Thermostat
Ruud RECTL700ZON — EcoNet Zoning Control
Ruud REPNL700ZON — EcoNet Zoning Panel
Ruud UETST800SYS — EcoNet 800 Series Smart Thermostat
Communicating versus conventional
A conventional thermostat closes a circuit to call for heat or cooling. A communicating control such as Ruud EcoNet connects compatible equipment on a shared bus, so the system can modulate output, report faults with specific codes, and adjust airflow to conditions. The benefit only exists if your equipment is EcoNet-enabled — confirm before ordering.
What zoning actually does
Zoning divides a home into independently controlled areas using motorised dampers in the ductwork. Rooms that are unoccupied are not conditioned to the same setpoint as rooms that are. It works best in homes with genuine temperature variation — two storeys, large glazed areas, or rooms over a garage. It is a ductwork project as much as a control project.
Compatibility
Check the stage configuration your system needs. A two-stage heat pump with auxiliary heat requires a thermostat that supports 3H/2C; fitting a 1H/1C control leaves capacity unused.
