Cleaned and serviced both furnaces. Tested. Replaced both furnace filters that customer provided. Replaced April air humidifier pad that customer provided. Replaced hsi’s in basement and attic furnaces due to corrosion. Everything else was in accurate working condition. Both furnaces are operating and heating as they should at this time. **** Customer would like Dave to contact him about running water lines from upstairs bathroom into attic furnace room to install a humidifier for the upstairs system. Mention of very dry air in bedrooms. View pictures connected to summary. I will mention to Dave as well. **** Customer renewed both maintenance plans for both systems. One visit is being used today and he will have both visits remaining for 2025 cooling season.