Cleaned and checked electric furnace. Tested heating elements. 38.7A. Tested sequencer. Checked voltage & amp draw of motors. Checked heat pump temperature rise: 20. Supply:93. Return: 73. Replaced air filter. Clean and check humidifier, replace pad, checked water flow and drain. Moved hum. wire from W to G. Customer concern: not sure if the emergency heat works. Customer has new alarm system with integrated thermostat control. Found thermostat could not bring on auxiliary heat when needed. Customer called alarm company and walked me through installer set up. System working properly now.