I was assigned to perform a heating and cooling maintenance check on a residential property. The property owner had noticed that their heating system was not functioning properly and wanted to ensure that it was operating at peak efficiency before the winter season. During the maintenance check, I inspected the heating system, including the furnace, air conditioner, and ductwork. I checked for any signs of wear and tear, such as leaks, rust, or damage. I also tested the thermostat and the air filters to ensure that they were clean and functioning properly. I also checked the ventilation system to ensure that it was clean and free from debris. I cleaned the vents and the air handler, and I replaced any damaged or worn-out parts. Finally, I provided the property owner with a detailed report of my findings and recommendations for any necessary repairs or maintenance. The property owner was very pleased with the work I performed and expressed her satisfaction with the results. Overall,