Performed combo tuneup on 2 year old Lennox furnace and 18 year old Carrier condenser. Indoor Unit: Cleaned return grate. Installed new merv 16 filter. Tested static pressure. Inspected blower compartment. Blower wheel is clean and balanced. Inspected electrical connections. Tested resistance of hot surface igniter. Inspected flame sensor. Found air scrubber catalyst to be out, Randy was notified of this. Temperature rise was within limits and temperature split is normal. Outdoor Unit: Performed deep cleaning of condenser coil fins and exterior unit. Inspected electrical components. Start contactor is clean, secondary motor control is within limits, however compressor start amps are high at 131 amps. A compressor saver kit was recommended. Refrigerant temperatures and pressures were normal. Upon departure system is operational.