
Honeywell RTH9580WF Smart Thermostat with Wi-Fi Capability: Experience the power of a climate control system that remembers your schedule, automatically adjusts for energy efficiency and can be controlled from anywhere with your smartphone, tablet or laptop.
Q: Is the screen always backlit?
A: The screen will always stay lit unless you turn the screen timeout on and to zero brightness. Mine is programmed to timeout after a minute or so and will go completely dark until touched.
A: Next time you go on vacation - take the hamster with you
Q: Do you need 115VAC to operate the thermostat,, and can I check home temps from my computer
A: you do need a common wire which does power the unit. if your old thermostat uses battery your common wire still maybe ran if not they give you very detailed instructions and videos on how to make it work. I had the common wire ran but not hooked up went to my ac unit and hooked up my self. if you can watch a simple video its a breeze took about 10 min to install
Q: Does thermostat work with Variable speed furnace blower
A: It should not be a problem since the tstat does not control the variable speed fan but the HVAC fan controller does.
Q: Can the user set the Deadband
A: The RTH9580WF does not appear to have the option for the user to change the deadband.
Q: Heat Pumps
A: Yes. https://www.ecobee.com/wp-content/uploads/2014/09/ecobee_Wiring_HeatPump1.pdf
A: Nest customer service, which is extremely helpful would most likely have a response. I use Android and Windows 7.