Question : Annual maintenance for a central air conditioning system?
What annual maintenance is recommended for a central A/C and how much does it cost?

Is it better to get it done early in the spring, before the A/C is even needed at all, or is it better to get it done in the early summer, when it starts to be needed, or is it better to get it done in the fall, after the cooling season is over?
air conditioning maintenance

Best answer:

Answer by Sonny
Spring and early summer, before the cooling season, is the preferred periods for most A/C units. Technicians are in a slow work mode and have time to do preventive maintenance. During the summer months most techs are too busy to mess with incidentals and will not schedule maintenance in lieu of a repair (More money in repair or install)