Air Conditioner Maintenance: A Simple Homeowner’s Guide

Why AC maintenance pays off

• Lower electric bills: a dirty coil or low charge makes the system work far harder.
• Fewer summer breakdowns: most no-cool calls are preventable.
• Better cooling & comfort: clean coils and airflow cool your home evenly.
• Longer life: a maintained AC lasts years longer and protects your warranty.

What you can do yourself

• Replace the air filter every 1–3 months — the single best thing you can do.
• Keep the outdoor unit clear: pull weeds and leaves and keep at least 2 feet of space around it.
• With the power OFF, gently rinse the outdoor coil fins from the inside out with a garden hose (never a pressure washer).
• Keep supply and return vents open and unblocked.
• Pour a cup of distilled vinegar down the condensate drain line a couple times a season to prevent clogs and water leaks.
• Set the thermostat to a steady temperature and replace its batteries.

What a professional tune-up includes

A full AC tune-up involves refrigerant and electrical work that needs a licensed, EPA-certified technician. We:

• Check the refrigerant charge and look for leaks.
• Deep-clean the condenser and evaporator coils.
• Test the capacitor, contactor, and compressor amp draw.
• Clear and treat the condensate drain.
• Inspect and tighten electrical connections and check the blower.
• Verify the temperature split and safe, efficient operation.

When to schedule it

Book your AC tune-up in spring, before the first heat wave. If it’s blowing warm, short-cycling, leaking water, or your bills are climbing, have it looked at right away — running a struggling AC can turn a small fix into a compressor failure.