AC Maintenance in Pittsburgh, PA
Air conditioners here run from June through August, so May is the time for a tune-up. Tell us about your system, and a licensed contractor who covers Allegheny County will get in touch.
Tell us about the job
It takes about a minute.
Three months of work, then months of sitting still
Your air conditioner in Allegheny County works from June through August, and it does that work on afternoons that average 82°F. The rest of the year it sits outside, doing nothing. A compressor and fan that have sat idle that long do not always start up clean when June comes around.
That outdoor unit also sits through whatever the weather brings. Allegheny County has logged 115 hail events and 548 damaging wind events over the past ten years, the largest hailstone reaching 2 inches. A tune-up before summer checks the coil fins for damage, makes sure the fan spins freely, and confirms the unit starts the way it should after sitting still so long.
- 3 months
- June through August, your air conditioner is on duty
- 82°F
- the average summer afternoon it cools against
- 115 hail events
- in ten years, and hail bends the fins on outdoor coils
- 548 wind events
- in ten years, and wind drives debris into outdoor units
NOAA nClimDiv, 1991–2020 normals
Book your AC tune-up in May, before homes here start needing cooling in June.
- 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.
Pennsylvania requires contractors to register with the state.
That registration puts the business on file with the state and nothing more. There is no trade exam behind it, and no board tracking complaints or work history, because no board exists. Pennsylvania also blocks cities and towns from adding their own HVAC license, so the record stops at that one entry regardless of the address.
For maintenance on an air conditioner, the check that reaches the job is federal, not state. Any technician opening the refrigerant side, checking pressures, adding refrigerant, has to hold EPA Section 608 certification, in Pennsylvania or anywhere else. That is the requirement doing the work the registration does not.
Source: Pennsylvania General Assembly
- 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 make sure the condensate drain is clear, since a clogged drain is one of the most common reasons for water damage near an indoor unit. They also check the thermostat and confirm the system cycles on and shuts off the way it should. A filter check is part of this too, though that is something a homeowner can do between visits.
- How often does an air conditioner need maintenance?
- Once a year is enough for most systems. The best time is in spring, before the cooling season starts, so any issue gets caught before the unit is running every day. Here, that means getting it done before June, when the real cooling load begins. A yearly check also matters after a bad storm season, since hail and high wind can damage an outdoor unit's fins or coil without it being obvious from the ground.
- Is AC maintenance worth it?
- Yes, because most breakdowns trace back to something small that maintenance would have caught, like a dirty coil or a failing capacitor. Homes here only run their AC for about three months a year, June through August, so the system has less time to show wear before summer really tests it. A unit that has not been checked going into those months is more likely to fail on the afternoons it is needed most, especially with summer highs averaging 82°F. A yearly visit is also a chance to check for storm damage, since this area sees frequent hail and wind events that can affect an outdoor unit without leaving obvious signs.