All furnace rejuvenations: kitchen heat rise was 58, other kitchen heat rise was 64. Changed out both units filters because both were dirty. Both systems air movement systems were clean and clear of all debris so I just wiped off with wipes to make sure there was no signs of dirt, dust and debris. All wiring for both systems was clean and secure with no signs of concern. Cleaned off inside and outside of indoor units with proper cleaner and wipes. Checked both systems voltage enhancement systems which were both running within factory spec of the system. Checked both systems voltage gateway systems which were all clean and clear of all debris and signs of concern or worry. Cleaned off inside and outside of outdoor units with proper cleaner and wipes. Both systems were up and running at normal operation at the end of the visit. 3rd floor system was not running upon arrival. Returned and serviced 3rd floor system on 9/27/23: heat rise is 55 degrees. Filter was already changed when we