AC Repair in Harrisburg, SD
Air conditioners here run from June through August. If yours quits, tell us what it's doing and a licensed contractor who covers Lincoln County will get in touch.
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Three months of heat, ten years of storms
Your air conditioner in Lincoln County works June through August, three months a year, with summer afternoons averaging 82°F. That is not extreme heat, but it means the compressor gets little time off during those months and runs hard while it has the job.
The bigger risk sits outside, where the condenser lives. Storm records for this area show 77 damaging wind events and 42 hail events over the past ten years, with hail up to 1.75 inches. Hail that size bends the thin aluminum fins on the condenser coil, and bent fins block airflow across it. When the coil can't move enough air, the system struggles to cool the house even on a mild afternoon.
- 3 months
- June through August, your air conditioner is on duty
- 82°F
- the average summer afternoon it cools against
- 42 hail events
- in ten years, and hail bends the fins on outdoor coils
- 77 wind events
- in ten years, and wind drives debris into outdoor units
NOAA nClimDiv, 1991–2020 normals
A new air conditioner would save little on running costs in Lincoln County, so the repair decision comes down to the unit's condition.
Estimates for a typical Lincoln County home, compared with an older unit built to the previous federal minimum, from EIA household energy data, South Dakota fuel prices and NOAA climate normals. Your home will differ.
Repair makes sense when a part like a capacitor or contactor has failed.
Replacement makes sense when the compressor has failed or the system uses R-22 refrigerant, which is no longer made.
In South Dakota, HVAC licensing for homes is left to the cities and towns.
In Lincoln County, whether a contractor needs a local license depends on the town. South Dakota leaves that decision to cities and towns, so there is no state board testing or recording HVAC contractors here. Some places keep their own list of licensed contractors and some do not regulate the trade at all. There is no statewide record to check either way.
What does apply everywhere, including here, is federal. Repairing an air conditioner means opening the refrigerant side of the system, and any technician who does that has to hold EPA Section 608 certification. That is not a state or local license, it is a federal requirement tied to handling refrigerant, and it applies the same in a licensed town as in one with no rule at all.
Source: South Dakota Legislature
- Why is my AC not blowing cold air?
- The most common cause is a dirty air filter choking off airflow across the evaporator coil. When that airflow drops too low, the coil can ice over and the air coming out turns warm or weak. A low refrigerant charge from a leak causes the same thing, and so does a failing compressor, since that's the part that actually cools the air. A contractor can check airflow, the coil, and the refrigerant charge to find which one it is. Anyone opening the refrigerant side needs EPA Section 608 certification, which is a federal rule everywhere.
- Why is my AC leaking water?
- Most of the time it's a clogged condensate drain line. Your AC pulls moisture out of the air as it cools, and that water is supposed to run out through the drain line. When the line clogs with dirt or algae, the water backs up and drips inside the house instead. A cracked drain pan or a dirty air filter causing the coil to freeze and then thaw can also cause a leak. A contractor can clear the line or replace the pan depending on what's wrong.
- Why won't my AC turn on?
- Start with the thermostat and the breaker. Check that the thermostat is set to cool and the temperature is actually below room temperature, and check the breaker panel for a tripped switch, since central air units run on their own circuit. If both of those are fine, the problem is likely inside the unit, such as a failed capacitor or a bad contactor, and that calls for a contractor. With 82°F summer afternoons here, a dead AC in June through August is worth getting looked at quickly.