official website It’s recommended to schedule an AC tune-up at least once a year. However, if you use your system frequently or have an older unit, more frequent check-ups may be necessary.In some cases, homeowners may also consider their level of technical knowledge and experience when deciding between DIY maintenance and professional services.As you look over the drain line, pay close attention to any cracks or holes in the drain line which will cause your HVAC system to leak.So in that earlier example of cleaning your condenser? A dirty condenser will rob you of approximately 10% efficiency for each year you ignore it. This discover this info here means less cooling for your home, higher bills, and more work for your equipment.