AC Maintenance in La Plata, MD
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 Charles County will get in touch.
Tell us about the job
It takes about a minute.
Four months of hard running in La Plata heat
Your AC in La Plata only has to carry you through June to September, but on afternoons near 86°F it runs long stretches just to keep the house down. That steady running wears on the capacitor and the contactor. A tune-up checks both before one of them fails on a hot afternoon.
Charles County has logged 26 hail events and 188 damaging wind events over the past ten years, with hail as large as 2.75 inches. A storm like that can bend the fins on your outdoor unit or shake a wire connection loose without you noticing. A technician can catch a bent coil or a loose connection before the next stretch of heat finds it.
- 4 months
- June through September, your air conditioner is on duty
- 86°F
- the average summer afternoon it cools against
- 26 hail events
- in ten years, and hail bends the fins on outdoor coils
- 188 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
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- Dec
A tune-up checks the refrigerant charge, cleans the coils, tests the capacitor and tightens the electrical connections.
Maryland requires HVAC contractors to hold a state license.
Maryland licenses HVAC contractors through the state's HVACR Board. The license is issued to the contractor, not to each job, so the same license that covers an installation covers a maintenance visit to your air conditioner.
For this kind of job, that license is what stands behind the person doing the work. If the visit involves opening the refrigerant side of your system, such as checking the charge, the technician also needs EPA Section 608 certification. That certification is a federal requirement in every state, separate from Maryland's license, and it applies specifically to anyone handling refrigerant.
Sources: Maryland General Assembly · Maryland Department of Labor
- What does AC maintenance include?
- A technician checks refrigerant pressure, cleans the condenser coil outside, and tests the capacitor and contactor that get the compressor running. Anyone opening the refrigerant side has to hold EPA 608 certification, so that part of the job only goes to someone licensed for it. The tech also checks the filter, clears the condensate drain, and looks at the electrical connections for wear. Outside, they make sure the condenser unit is level and clear of anything blocking airflow, which matters here after wind events that can pile debris around it.
- How often does an air conditioner need maintenance?
- Once a year, in spring before the cooling season starts. Homes here run their AC June through September, so getting it checked before June gives a contractor time to catch a weak capacitor or a low refrigerant charge before the system is working through 86°F afternoons. Skipping a season doesn't mean something breaks right away, but it means small problems get found by a breakdown instead of an inspection.
- Is AC maintenance worth it?
- Yes, mainly because it catches small problems while they're still small. A weak capacitor, a dirty coil, a refrigerant leak, these things get worse under load, and load is exactly what a system sees for four months straight here. A yearly check also gives a contractor a look at the outdoor unit after storm season, since this area sees hail and damaging wind that can dent fins or knock things loose without it being obvious from a glance.