System #1 located in the basement. Performed preventative maintenance for a high efficiency Coleman furnace model #TG9S120D16MP11B, serial #W1A9543224. I powered the system down and removed the access panels. Removed and cleaned carbon off of the flame sensor and cleaned out the burners and burner box. Checked the pressure switch to ensure that there are no clogs. Replaced the air filter size 16x25x1. Checked all electrical connections to ensure that they are secure and in good condition. Tested the drain line with several bottles of water to ensure that there are no leaks or clogs. I powered the system back up and called for heat. Took a combustion analysis test and received the following readings, o2 is at 13.1% and the co levels are 9ppm. The inducer motor amp draw is at 2.02 and the blower motor amp draw is at 6.1. The system is operating properly at this time. Performed preventative maintenance for a Bryant heat pump system model #215bna018-A, serial #3212E17176. I powered the s