HVAC FULL INSPECTION: Perform complete maintenance visit. Replace and install new pleated filter 16x25x1 plus flushed drain lines with 2 gallons of water test zone controls test thermostat. I found the metal auxiliary drain pan was full of water check indoor evaporator coil is rusted out performed Courtesy leak search and I found the 3 ton capacity aluminum evaporator coil is leaking. Called manufacturer to verify warranty and evaporator coil Was not registered and the warranty is only 5 years and warranty on parts Will expire on 05/2026 parts are in back order and will be available until Next week about 7 business days according to Lennox distribution center. Test heat mode is working ok at this moment clean inducer motor port Clean flame sensor ok. Test outdoor condenser unit check condenser coil is highly impacted Test electronic components are ok. Test refrigerant charge pressures are low Due to leak in the system. Recommend condenser coil cleaning with chemical plus ad