How you should identify your wiring

For example, if you have numerous numbers coming out from your terminals, such as W1, W2 and so on, it is likely you are running many stage Heating and A/C systems.

I bet You would be interested in outsmarting the Heating and A/C serviceman while I was in your next routine service or repair appointment. He might try to upsell you on some current advanced type of unit, such as the ductless Heating and A/C units that all use mini-chopping technology to efficiently both heat and cool all rooms and houses using only a small incision in the wall, and compared to the old school ducted units that have so many feet upon feet of ducted surface section for grime and debris to collect on, these units are so much cleaner and easier to maintain! You can identify the type of wiring you are currently hooked up with by examining the back side of your thermostat. You might notice red and black or maybe black and really white wire sets each going into different letter designation terminals, such as W and Z, then this most likely means you are on a line voltage supply, meaning you could have a few stages to your heating and cooling unit. For example, if you have numerous numbers coming out from your terminals, such as W1, W2 and so on, it is likely you are running many stage Heating and A/C systems. If you see rainbow colored wires on the back side of your thermostat, you might really be running on a low voltage system. This means you entirely can have a single stage but can still substitute to ductless if you so desire. If you are now wondering, call up your local Heating and A/C provider and see if they can schedule your local Heating and A/C serviceman to come out and take a look at your equipment. Having done this, they can also tell you what your energy efficiency if with regard to your heating and cooling system.
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