The answer to 'how to maintain system upgrade' is to follow a regular maintenance schedule, including annual tune-ups, filter changes, and inspections. This will help ensure your HVAC system is running efficiently and catch any potential issues before they become major problems. Regular maintenance is essential for extending the lifespan of your system and keeping it operating at peak performance.
It's recommended to have a professional HVAC technician perform the annual tune-up and inspection. They have the expertise and equipment to thoroughly check all components and make any necessary adjustments or repairs. As a homeowner, you can also do some basic maintenance tasks in between professional visits, such as changing air filters monthly and keeping the outdoor unit clear of debris.