Today I arrived on site and performed a winter time tune up on your system. Here's a summary of the work completed: **Filtration:** * Replaced the antimicrobial filter with a spare 16x24x1 filter provided by the customer. * Confirmed the filter was replaced today. **Coils:** * Verified the indoor coil is in good condition. * Verified the outdoor coil is in good condition. **Electrical Components:** * Tested and confirmed the electrical wiring is working properly within the manufacturer's recommended specifications and amperages. **System Components Inspection:** * Inspected and confirmed the blower wheel, burners, exhaust flue, heat exchanger, secondary drain pan, and primary drain pan are in good condition and working properly. * Ensured electrical wires are secured. **Condensate Drain System:** * Cleared the drain line. * Cleaned out the primary and secondary pans. * Tested the safety switch. * Confirmed the drain line is connected and strapped down. **Tes