Smart Thermostat for Home

I have the Ecobee Smart Premium in my current residence. I had the premium Nest in my last house but switch to Ecobee after Nest announced they were discontinuing and stopping support for all models except their newest model.

I do miss the UI and better feel of the Nest. I think the Ecobee is a little difficult to drill down and get used to.

A "C wire" (or common wire) is a dedicated electrical wire used in HVAC systems to provide a continuous, low-voltage (24V) power supply to your thermostat

I have an ecobee and it came with a power extender kit for units without the c-wire. It didn't take long to install. You can set alerts for high/low temp and humidity.

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is there a quick way for me to know if my current thermostat has this?

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Remove the old thermostat cover (you might have pull the entire thermostat from the wall) and look for a blue wire (common). If you have an old analog style thermostat the blue wire would not be connected, but hopefully the blue C wire wire will be present in the thermostat wire bundle - often depends on the age of the house.

With a new smart thermostat, the common wire has to be connected to not only to the thermostat terminal, but also the other end of the common (blue) wire needs to be connected to the “C” terminal on the control board of the furnace, or air handler, in order for the thermostat to receive power.

I’d also recommend you choose an Ecobee or Honeywell thermostat that meets your needs, and avoid NEST.

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d also recommend you choise an Ecobee or Honeywell thermostat that meets your needs, and avoid NEST.

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This.

I had a NEST for about a month. It's great for high tech and comfort, but it is brutal on your system. Way too many start and stops on the compressor.

I now have a Honeywell t6 and it has been great.