Easy to Install, Tricky to Program
I have a heat pump/furnace combination. They take you step by step marking the wires coming out of the old thermostat, so installation is easy...a very small screw driver (for the heads of the wire terminals), regular screw driver for two mounting screws, hammer (for plastic screw holders),wire cutters (if you need to clean up the old wire), and drill with 3/16 or 3/32 inch bit depending on wall type.
For simple installations, the programming is super easy. For more complicated AC/Furnace
... read more
combinations there are 'functions' that need to be programmed into the thermostat.
I ended up calling the 800 number and they led we through it...you have to press a button twice (where the instructions indicate once) and hold of of them down longer than the five seconds the instructions indicated to get the function screen to come up. From there on, it was pretty easy. The Honeywell call center was EXCELLENT...fast, knew the answer quickly, etc.
Operation of the unit is very good.