Indiana HVAC Guide
Overhead view of a gray outdoor AC condenser unit on a concrete pad beside a mulched garden bed and a house with vinyl siding.

AC Maintenance in Columbus, IN

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 Bartholomew County will get in touch.

Tell us about the job

It takes about a minute.

Step 1 of 3: Equipment
An outdoor air conditioning condenser unit positioned on a concrete pad next to a blue-sided house, surrounded by green shrubs and flowering hydrangeas at sunset.

Four months of hard work in the heat

Your air conditioner in Bartholomew County only has to run June through September, but it earns its keep those four months. Summer afternoons average 84°F, and on those days the system cycles on and off for hours trying to hold the house steady. That kind of steady demand wears on the parts that keep it running, the capacitor that gets the compressor started and the condenser coil that has to shed heat outside.

Hail and wind show up here too. The area has seen 6 hail events and 40 damaging wind events over the past ten years, with hail up to 1.25 inches. That kind of weather can bend the fins on an outdoor unit or knock loose a wire connection without you knowing it happened. A tune-up before the heat sets in is when a contractor catches a coil that is not shedding heat the way it should, or a connection that storm winds worked loose.

4 months
June through September, your air conditioner is on duty
84°F
the average summer afternoon it cools against
6 hail events
in ten years, and hail bends the fins on outdoor coils
40 wind events
in ten years, and wind drives debris into outdoor units
Isometric cutaway illustration of a house interior showing ducted HVAC piping, an indoor air handler unit, and an outdoor condenser with fan connected by a line, rendered in grey tones on a white background.
Your air conditioner works hardest from June through August.

NOAA nClimDiv, 1991–2020 normals

Aerial view of a square outdoor air conditioning condenser unit on a concrete pad beside a house wall with a sliding glass door.

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.

In Indiana, HVAC licensing for homes is left to the counties and cities.

Bartholomew County sets its own rule for who can do this work, and that rule does not show up in a statewide database. Indiana leaves HVAC licensing to the counties and cities, so whether a contractor needs a local license, and what that license checks, depends on the address of the house. There is no state exam or state record standing behind the work here. Whatever oversight exists is whatever Bartholomew County or the city within it has set up on its own.

For a maintenance visit on an air conditioner, the protection that does apply everywhere is federal. Checking refrigerant levels or opening that side of the system requires EPA Section 608 certification, and that holds true in every state and every county, Bartholomew included. That certification is not a license and does not depend on where the house sits. It is the one credential a technician working on the refrigerant in your AC has to carry no matter what the county does or does not require.

Sources: Indiana Department of Workforce Development · State of Indiana

What does AC maintenance include?
A technician checks refrigerant charge, cleans the condenser coil, and tests the capacitor and contactor in the outdoor unit. Inside, they check the evaporator coil and the condensate drain, since a clogged drain is one of the more common reasons a system trips off on a hot day. They also check the filter and confirm the thermostat is calling for cooling correctly and the system is actually responding.
How often does an air conditioner need maintenance?
Once a year, ideally in spring before it has to work through summer. Homes here need cooling June through September, so getting it checked beforehand means it isn't caught off guard on one of those 84°F afternoons. A yearly check also catches small issues, like a weak capacitor or a dirty coil, before they turn into a breakdown mid-summer.
Is AC maintenance worth it?
Yes, because most AC failures trace back to something maintenance would have caught, like a failing capacitor or a coil so dirty the system can't shed heat properly. With four months of cooling a year and afternoons averaging 84°F, a system here gets little rest once summer starts, and that's when a weak part is most likely to give out. Skipping maintenance doesn't save the system wear, it just delays when the problem shows up.
Find a contractor