Tech arrived to problem call for entire home. Customer expressed that thermostat was extremely complicated and couldn’t operate it. Customer moved into home roughly 2 weeks ago. System was operational yet thermostat was very convoluted. Gave brief inspection on system and gave recommendations. Customer agreed to thermostat replacement. Tech replaced thermostat for single stage heat/cool. Verified operations. System is operational. Explained to customer how thermostat works and disabled scheduling. Customer understands how thermostat works and is able to operate it. Also signed up for HomeCare maintenance on one system. Thank you for letting TE CERTIFIED service your home.