Another noob question: see the attached image of my thermostat. Would it be possible to switch it for a smart one? What would I have to check? If it is possible, what would you recommend? If is don't want any 3rd party app or account?
this post was submitted on 27 Oct 2025
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Just switched to a Honeywell T6 Zwave (model TH6320ZW2003) thermostat and really like it. It's a big step up from my old wifi thermostat. There are some nice features like a humidity sensor and adjustable backlight, but the feature we like best is the Circulation fan mode that runs the furnace fan a certain percentage of the time even if the system isn't heating or cooling. This has made a significant different in our comfort level and we notice when the fan isn't set to Circulation.
Since it's locally controlled, settings changes take effect immediately without the delay we regularly had with our old wifi Honeywell. Programming was more involved than a regular smart thermostat, but not overwhelming. It can be powered by a C wire or by batteries. Ebay has open box, like new models.