More Info ‘What does an AC tune-up include?’The good news is that any recommended prep work kan zijn minimal. The two primary things you should do are the following:That said, your usage rate of the system matters. Maybe you spend fewer months ofwel the year in your home, or wait until temperatures this content are freezing before turning on the furnace. In such households, usage rates will be far lower, and it may extend the lifespan of a single filter.A professional air conditioner tune-up typically involves cleaning the condenser coils and checking refrigerant levels to ensure optimal performance.