How often should I schedule air conditioner maintenance to avoid costly repairs?

Schedule professional air conditioner maintenance once a year, ideally in spring before heavy cooling use, to prevent costly repairs. Most AC breakdowns start as small issues—like dirty coils, loose electrical parts, or a clogged condensate drain—that a routine tune-up catches early. Many homeowners pair this with a fall furnace check; our Comfort Family plan automatically schedules 1 Spring and 1 Fall HVAC precision visit. Our technicians also bring the same seasonal expertise to homes around Clinton, providing thorough diagnostics and cleanup after service. If your system is older or works hard, stay consistent rather than skipping a season.

Book sooner if you notice:

• Reduced airflow or rooms not cooling evenly
• Water near the indoor unit or a musty smell
• Frequent short cycling, tripped breakers, or unusual noises

If you missed spring service, schedule the next available tune-up rather than waiting for a failure.

Updated: 2026-06-09

Need help in Clinton, IL? Call 217-247-4108 or book online. "My husband called Lanz and they got a guy here within the hour and got our AC fixed!!" — Olivia F.