Con Edison Smart AC Program

Where is my registration key?

You can find the reg key on the front page of your printed materials, on a small piece of paper the size of a business card. The registration key is a 25 character hexadecimal unique identifier and is required to create an account on or with the ThinkEco smartAC smartphone app. It is not case sensitive and it there are no O’s, only zeros. The "Quick Key" requested when signing up on the app is the first 5 characters of your full registration key.

If your order does not include a registration key, please contact support with your order information and your registration key will be provided.

If you need to exchange a modlet please do not return the registration key, the replacement shipment will not include a new registration key.

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