I need help with my wiring. I have a honeywell TH3210D and a heat pump system. Honeywell ADP Ducane T-stat air handler heat pump E black W1 AUX brown C Y ...

The building I rent was built in 1958. It has Lennox Furnace of unknown age that certainly is out of any maintenance and so produces unburned gas odor. Gas Company provides only visual (Philippine or Hispanic) observation, nothing else. They are blue blooded - let entrepreneurs repair. And they do...

how do I get a wiring diagaram for a 4HK06500506 that sticks on the unit or are these little half sheets of half drawn diagrams all the service tech gets in the field? This must be Johnsons Controls idea.