Arrived onsite for ac maintenance on 1 system. Asked customer to turn AC on to confirm operation. Checked all electrical. Chemically Cleaned outside unit, measured pressures for 410a at 110/260psi with 12 degree sub cooling with outside temperature at 74 degrees. Measured temperature drop at 20 degrees. Blew out condensate line. Changed 16x24x1 filter provided by homeowner.Performed efficiency test utilizing MeasureQuick. System running as it should.
