The home warranty person did not plug the C wire all the way into the base of the nest thermostat. I plugged the C wire in and verified operations the units producing a 20° split at this time DESCRIPTION Preferred Cool Home Membership - 2 Systems Includes two maintenance visits per year for 2 systems Front of the line, priority service over everyone else, guaranteed service within 24 hours Discounted $37 diagnostic fee (versus regular diagnostic fee of $97) 100% of your protection plan goes toward your future system replacement (capped at $1,000) https://www.idealairaz.com/flipbook/cool-home/?page=1