The attic furnace supply reads 129 with a return of 78 making our heat rise 51. The voltage enhancement system reads 7.4 with a factory setting of 7.5 fan blower is cleaned and running without any restrictions. Flame sensor and burners are cleaned and looks to be in good condition. All wiring are connected and tightened. Exhaust removal system reads 2.4 FLA at normal state. Changed all 2nd floor filters and replaced them with new filters. Overall attic furnace is running at normal operations at this time The basement furnace supply reads the basement supply reads 122 with a return of 78 making the heat rise 44. Fan blower is cleaned and running without any restrictions. The Voltage enhancement system reads 9.8 with a factory setting of 10 exhaust removal system reads 2.4 FLA that’s is running normal. Replaced old filter with a new clean filter. All wiring are connected and tightened, overall basement furnace is running at normal operations at this time.