Overhead view of a gray residential air conditioning condenser unit mounted on a concrete pad beside a house with asphalt shingle roofing.

AC Maintenance in London, KY

Air conditioners here run from June through September, so May is the time for a tune-up. Tell us about your system, and a licensed contractor who covers Laurel County will get in touch.

Tell us about the job

It takes about a minute.

Step 1 of 3: Equipment
Aerial view of a gray outdoor air conditioning condenser unit mounted on a concrete pad next to a house with vinyl siding.

Four months of hard running, then months of sitting exposed

Your air conditioner in Laurel County does its work in a short window. June through September, it runs through afternoons that average 84°F, carrying the full weight of the year's heat in those four months alone.

The rest of the year it sits outside, exposed to whatever comes through. Laurel County has seen 21 hail events and 115 damaging wind events over the past ten years, with hail up to 1.75 inches. That kind of weather can bend the fins on the outdoor coil or knock the unit out of level, and the damage can sit unnoticed until the next time it needs to run. A tune-up before summer checks the coil, the refrigerant charge, and the electrical connections, so the unit is ready for the four months it has to carry.

4 months
June through September, your air conditioner is on duty
84°F
the average summer afternoon it cools against
21 hail events
in ten years, and hail bends the fins on outdoor coils
115 wind events
in ten years, and wind drives debris into outdoor units
Isometric cutaway illustration of a single-story house with a dark shingled roof, showing interior rooms with ductwork and an indoor air handler connected to an outdoor condenser unit beside the building.
Your air conditioner works hardest from June through August.

NOAA nClimDiv, 1991–2020 normals

An overhead view of a residential air conditioning condenser unit mounted on a concrete pad next to a house with vinyl siding.

Book your AC tune-up in May, before homes here start needing cooling in June.

  1. Jan
  2. Feb
  3. Mar
  4. Apr
  5. May
  6. Jun
  7. Jul
  8. Aug
  9. Sep
  10. Oct
  11. Nov
  12. Dec

A tune-up checks the refrigerant charge, cleans the coils, tests the capacitor and tightens the electrical connections.

Kentucky requires HVAC contractors to hold a state license.

The license comes from the Department of Housing, Buildings and Construction, and it's tied to the contractor, not to any single job. That's the record Kentucky keeps before a contractor can take on work like this.

For a maintenance visit on your air conditioner, that license is what stands behind the person in your driveway. If the technician opens up the refrigerant side of the system, checking the charge or the coil, they also need to hold EPA Section 608 certification. That one isn't a Kentucky rule. It applies to anyone touching refrigerant anywhere in the country.

Sources: Kentucky Legislative Research Commission · Kentucky Department of Housing, Buildings and Construction

What does AC maintenance include?
A technician checks the refrigerant charge, cleans the condenser coil, and tests the capacitor and contactor in the outdoor unit. They also check the evaporator coil, inspect the condensate drain for clogs, and replace or clean the filter. Part of the visit is electrical. Loose connections and a weak capacitor are common reasons a system stops cooling in the middle of summer, so the technician tightens connections and checks amp draw on the compressor and fan motor. Anyone opening the refrigerant lines to check charge has to hold EPA Section 608 certification, a federal requirement everywhere.
How often does an air conditioner need maintenance?
Once a year, before the season it has to work hardest. Here that means getting it checked before June, since the system runs from June through September and summer afternoons average 84°F. A yearly check catches a weak capacitor or a low refrigerant charge before it fails on a hot afternoon instead of on a mild one.
Is AC maintenance worth it?
Yes, mainly because it catches small problems while they are still small. A capacitor that is starting to weaken or a coil that is getting dirty will not stop the system right away. It just makes the compressor work harder, and that is what leads to a breakdown. This area also sees real storm activity, with 115 damaging wind events and 21 hail events over the past ten years, including hail up to 1.75 inches. A maintenance visit is also a chance to check the outdoor unit for storm damage that is not obvious from inside the house.