What is the difference in the Honeywell Programmable Thermostats? How do I know which VisionPro model to buy?
I know I have two stage heating - Heat Pump and Gas. I also have a humidifier on one of the two systems. Should I get one TH8321U1006 for the system with the humidifier and one TH8320U1008 for the system without a humidifier?
i dont directly know those models, but i have worked with a lot of hvac controls, i have used visionpro t-stats before with heat pumps. i would recommend calling a local hvac supply store tell them your problem they will usually help. dont mention your
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