Upon arrival for tuneup, homeowner showed me to thermostat and indoor closet unit. I asked for filters to replace which the homeowner mentioned that she just recently changed it out, lastly I asked for a container of bleach which she provided. I began tuneup with checking temperature deltas and had a perfect 20° of cooling from return to supply I then checked filter and return area, filter was brand new and installed correctly Checked blower motor, fins were clean and in good condition Checked Evaporator coil which was clean and in good condition Checked drain line with bleach then with 2 gallons of water and had no backups I checked electrical connections to see if any were loose and tightened the ones necessary Lastly homeowner asked if I could also check heating while I was there which I did, inducer motor amps are good and sequence of operation was working as it should I then moved to outdoor unit and began with checking safety disconnect which was in good condition I removed c