Performed heating pm on both geo systems. Replaced customer provided filter. Found humidifier needed service, customer said he would like to do It himself. Checked capacitors and contactors. Tightened electrical connections. Blowers and coils clean. Flushed out drains. Checked operation of both geos. Measured compressor, blower, and loop pump amp draw. Measured heat rise, loop rejection rate, and flow rate. Let systems satisfy thermostat. Tested aux heat. Units operating normal.