AC Maintenance in Wausau, WI
Air conditioners here run from July through August, so June is the time for a tune-up. Tell us about your system, and a licensed contractor who covers Marathon County will get in touch.
Tell us about the job
It takes about a minute.
Two months of real work, then months of sitting idle
Your air conditioner in Marathon County only earns its keep in July and August, when afternoons average 78°F. That is not a hard summer, but it is a short one, and a unit that sits idle most of the year needs a check before it has to work at all.
The bigger risk here comes from storms. The area has seen 49 hail events and 82 damaging wind events over the past ten years, with hail up to 3 inches. Hail can dent the fins on the outdoor coil or bend the cabinet, and high wind can rock the unit on its pad or throw debris into it. A tune-up before summer is when a contractor spots that kind of damage, before the two months you actually need cooling.
- 2 months
- July through August, your air conditioner is on duty
- 78°F
- the average summer afternoon it cools against
- 49 hail events
- in ten years, and hail bends the fins on outdoor coils
- 82 wind events
- in ten years, and wind drives debris into outdoor units
NOAA nClimDiv, 1991–2020 normals
Book your AC tune-up in June, before homes here start needing cooling in July.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
A tune-up checks the refrigerant charge, cleans the coils, tests the capacitor and tightens the electrical connections.
Wisconsin requires contractors to register with the state.
That registration puts the business on file with the Department of Safety and Professional Services. Nobody tests the contractor's trade knowledge to get it, and no state board is checking their work. Wisconsin also does not let Marathon County or any city add its own HVAC license on top, so this registration is the only state record that exists on a contractor here.
For a maintenance visit on your air conditioner, the thing that actually matters is whether the technician opening up the refrigerant side holds EPA Section 608 certification. That is a federal requirement, not a state one, and it applies whether the contractor is registered in Wisconsin or anywhere else in the country.
Sources: Wisconsin Legislative Reference Bureau · Wisconsin Department of Safety and Professional Services
- What does AC maintenance include?
- A technician cleans the condenser coil outside and checks the refrigerant charge, since a dirty coil or a low charge is what makes an AC run long and still not cool the house. They test the capacitor and contactor, since those parts wear out and are a common reason an AC won't start. They check the condensate drain, since a clogged one backs up and can shut the system down or cause water damage. They also check the thermostat and confirm the airflow at the vents matches what the system is supposed to be moving.
- How often does an air conditioner need maintenance?
- Once a year is the standard, done in spring before you need to run it. Here your AC really only has to earn its keep in July and August, but the coil still collects dust and pollen all year, and the electrical parts wear whether the system runs or not. A spring check catches a weak capacitor or a low refrigerant charge before you're relying on it during a 78°F afternoon.
- Is AC maintenance worth it?
- Yes, because most AC breakdowns trace back to something a yearly check would have caught, like a failing capacitor or a coil so dirty the system can't shed heat. Wausau also sees its share of hail and wind, 49 hail events and 82 damaging wind events over the last ten years, and a maintenance visit is when a technician notices a bent fin or a loose panel from a storm before it turns into a bigger repair. Since your AC only needs to carry the house through July and August here, one visit a year is enough to keep it reliable for those two months.