Customer has issues with condensation building up on all his windows, air leaks around furnace, heat pump lock out temp, and how to use and maintain his ductless units, checked customers steam humidifier and found it is set for 25% but reading 35%, explained to customer that it’s set up correctly but humidity in home is higher due to possible air leaks around windows, suggested to have windows evaluated by contractor, and or turn off humidifier. Sealed all ductwork around furnace with foil tape, tested, and found no air leaks, also went through app and made sure all perimeters were set up correctly, heat pump compressor lock out is set for 30f, tested, system operational, walked through ductless unit functions with customer, explained how to clean filters and how to work the remotes for units.