Furnace Maintenance: Water damage noted under the p-trap on the left side of the Furnace, Flushed the condensate P-trap and drain lines to maintain clear, efficient flow. Checked pressure switch tubing to ensure reliable performance. Cleaned and polished the flame sensor for optimal ignition. Ran full diagnostics to confirm the system is running smoothly and efficiently. HRV Maintenance: Removed and cleaned core/screens. Cleaned out cabinet.