AC Repair in Westminster, MD
Air conditioners here run from June through August. If yours quits, tell us what it's doing and a licensed contractor who covers Carroll County will get in touch.
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It takes about a minute.
Three months of heavy work, then storms on top of it
Westminster only asks for cooling from June through August, but those three months don't go easy on a system. Afternoons averaging 84°F mean the compressor runs hard, cycling on and off for hours at a stretch. That kind of load wears on the capacitor and the contactor, the parts that get the compressor started and keep it running. When one of those goes, the unit either won't start or won't stay on, and the house starts warming up fast.
Carroll County has also seen its share of rough weather, 173 damaging wind events and 13 hail events over the past ten years, with hail up to 1.25 inches. Wind can bend the thin fins on the outdoor coil or knock debris into the unit, and hail that size can dent the cabinet or damage the fan blade. Either one shows up the same way, as an AC that's suddenly noisier, weaker, or not cooling at all.
- 3 months
- June through August, your air conditioner is on duty
- 84°F
- the average summer afternoon it cools against
- 13 hail events
- in ten years, and hail bends the fins on outdoor coils
- 173 wind events
- in ten years, and wind drives debris into outdoor units
NOAA nClimDiv, 1991–2020 normals
A new air conditioner would cut about $30 a year off cooling for a typical Carroll County home.
Estimates for a typical Carroll County home, compared with an older unit built to the previous federal minimum, from EIA household energy data, Maryland 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.
Maryland requires HVAC contractors to hold a state license.
The state license comes from the Maryland Board of Heating, Ventilation, Air Conditioning, and Refrigeration Contractors, and it covers the contractor rather than the specific job. That means the person who holds it has been tested and is on record with the board, and that record stands behind every job they take on, not just this one.
For an air conditioner repair, the license tells you the contractor is qualified to do the work. If the repair involves opening the refrigerant side of the system, the technician also has to hold EPA Section 608 certification, which is a federal requirement in every state and separate from the Maryland license. Between the two, the contractor's qualifications and the handling of refrigerant are both accounted for on this job.
Sources: Maryland General Assembly · Maryland Department of Labor
- Why is my AC not blowing cold air?
- The most common cause is a dirty air filter choking off airflow across the coil, so check that first. Low refrigerant from a leak is another common reason, and that's not something to top off yourself since it points to a leak that needs finding and sealing. A failing compressor or a frozen coil will also leave you with warm air, and both need a contractor to look at the system before it runs again. Anyone who opens the refrigerant lines to check the charge has to hold an EPA Section 608 certification, so that part of the diagnosis isn't a DIY job.
- Why is my AC leaking water?
- Usually it's a clogged condensate drain line, where algae or dirt blocks the path water takes to drain outside and it backs up into your house instead. A dirty air filter can cause this too, since restricted airflow lets the coil ice over, and the water shows up when that ice melts faster than the drain can handle it. A cracked drain pan or a coil that's frozen for other reasons can also be the source. Worth checking the filter first, but if the line itself is clogged, a contractor will need to clear it.
- Why won't my AC turn on?
- Start with the thermostat. Check the batteries and make sure it's set to cool and below room temperature. If that's not it, look at the breaker box, since a tripped breaker will cut power to the whole system. Westminster sees plenty of damaging wind, 173 events over the past ten years, and storms like that can trip breakers or knock out power to the outdoor unit. If the breaker's fine and the thermostat is calling for cooling but nothing happens, the problem is likely inside the unit itself, and that's a job for a contractor to diagnose.