I changed filter, checked settings on thermostat, and flushed a toilet that isn't working I believe due to the cold.
Set schedule on thermostat to be a constant 75 in the heat mode, and 72 in the cool mode. Went over the settings with homeowner.
Completed 2 system tune up on both upstairs and downstairs systems. Uv replacement bulb and 4 inch filter were replaced on downstairs units
Completed summer tune up, unit is in good health with surge protection, hardstart kit and a clean unit.
Replacing a hard start kit and adding a surge protector.
Residential fall maintenance on a Carrier unit
Heating and air conditioning service call