Which Nest Thermostat Should I Buy?

[NashvilleMatt]

I bought a house and wanted to put in Nest thermostats. So, my downstairs wiring was ok for a Nest E but when I went upstairs it’s a different thermostat and the wiring is different and app says it won’t work with Nest E

I have connections on: W, B, G, R, O & Y

What should I get?

[Patrick_Caezza]

@NashvilleMatt 

Can you post a picture of the thermostat's wiring here?

Are you sure you have the Nest Thermostat E as they are only available from a Nest Pro?

Do you have two separate HVAC systems or just one with a Zone Controller? If you have a zone controller, can you post a picture of it showing how it's wired?