Arrived onsite for heating issue. Performed diagnostic and found a fault in the combustion sensing system. Homeowner agreed to bandaid repair and signed up for Elite Partner plan for 1 heating and 1 cooling maintenance. Performed heating maintenance. Cleaned burners and blower cabinet. Homeowner recently changed filter. Measured heat rise and performed combustion test. System working as it should. Homeowner would like April cooling maintenance and possibly Duct Cleaning with microbial spray. Note homeowner does experience allergies.