How Often Should You Service Your AC?

Your air conditioner is one of the hardest-working systems in your home. Like a car, it runs best — and lasts longest — with regular maintenance. So how often does it actually need service?

The short answer: once a year

Have your AC professionally serviced once a year, ideally in spring before the cooling season starts. If you have a heat pump that both heats and cools, service it twice a year — spring and fall — since it runs year-round.

What a real tune-up includes

Cleaning the condenser and evaporator coils for full airflow
Checking refrigerant charge and pressures
Inspecting and replacing the air filter
Testing electrical components and tightening connections
Clearing the condensate drain to prevent leaks and water damage
Verifying safe, efficient operation top to bottom

Why it's worth it

Maintenance isn't just upkeep — it pays for itself. A clean, tuned system uses noticeably less energy (a dirty coil alone can raise energy use significantly), breaks down far less often, and lasts years longer. Many manufacturer warranties also require annual maintenance to stay valid, so skipping it can cost you a covered repair down the road.

What you can do between visits

Change your filter every 1–3 months, keep the outdoor unit clear of leaves and grass, and keep vents unblocked. Those small habits go a long way.

Schedule your tune-up

Lumen Heating & Cooling offers thorough seasonal tune-ups across Philadelphia and the suburbs. Call (267) 252-2969 or book online to keep your system running its best.