HVAC Facility Maintenance is a term used to describe the maintenance and upkeep of heating, ventilation, and air conditioning (HVAC) systems. It involves a variety of tasks, such as inspecting and testing the systems, cleaning and replacing filters, lubricating motors and bearings, checking and replacing belts, and checking and replacing other components. It also includes preventive maintenance, such as changing the air filters regularly, checking the thermostat, and checking the air flow. HVAC Facility Maintenance is essential for keeping HVAC systems running efficiently and safely. It helps to reduce energy costs, improve indoor air quality, and extend the life of the system. It is important to have a professional HVAC technician inspect and maintain the system regularly to ensure it is running properly and safely.