Signed the customer up for a 3 system Homecare plan. Performed a Homecare maintenance inspection on all 3 HVAC systems in the home (upstairs, main floor and basement). Tested heating, cooling and auxillary heating from the thermostats. Measured the refrigerant pressures and electrical component readings. Inspected the safety and cleanliness of the systems. Checked and replaced the 1” air filters. Reported findings to the customer.