Performed heating pm on both systems. Replaced provided filter. Flushed out drains. Checked cleanliness of coils and blowers. Checked capacitors and contactors. Tightened electrical connections. Ran furnace heat, geo heat, and aux heat. Found igniter close to out of spec, quoting customer to replace. Found humidifier pad worn for furnace system, quoting customer humidifier service. Finally found gate valves on water heater, quoting customer to replace with ball valves. Both units operating but repairs suggested.