Average Reviews:
(More customer reviews)This thermostat was included as part of my new dual heat system, which combines heat pump compressor with gas or propane furnace as the auxilary fuel.
This is the best thermostat I have ever used. It can monitor and control up to 4 heat & 2 cooling systems, along with a humidifier and ultraviolet air purifier. The range of controls is astonishing. When you know the price of gas per therm and the cost of electricity per kwhr, you can set the thermostat to run the heat pump when it's most economically advantageous, then it will switch to the gas furnace when that fuel is the best economic choice (using the outside air thermometer to make its decisions)
For a simple gas furnace or electrical AC system, it's probably overkill....you'll just never use all its capabiltites. But for multi-zone or multi-fuel systems with add ons like humidifiers or air purifiers, I highly recommend this thermostat....it will pay for itself in savings very easily!
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Honeywell YTH9421C1010 VisionPro IAQ Program ThermostatThe VisionPRO IAQ touchscreen universalprogrammable thermostat provides electronic control of 24 Vac heating andcooling systems in addition to humidification, dehumidification and ventilationall with just 3 wires to the thermostat.
Advanced dual-fuel control.
Three wires to the living spaceallows for easy equipment upgrade without having to run additional thermostatwire.
Thermostat connects with EquipmentInterface Module or EnviraZONE panel to control temperature, humidification,dehumidification and ventilation from a single point in the home.
Automatically raises humidity levelsthroughout all rooms in the home, moisturizing air to prevent symptoms ofdryness and to protect hardwood flooring and woodwork.
Removes air pollutants by exchangingthe stale air in a house with fresh, filtered air better than having an openwindow.
Product Specifications
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