(888) 365-6280

Homeowners' pick for heating and cooling across Virginia and the Mid-Atlantic

AC Repair in Great Falls, VA — Book a Visit Today

When the air coming out of the vents turns lukewarm on an August afternoon, that is what AC repair in Great Falls usually starts with. We track down failed capacitors, contactors that will not pull in, refrigerant leaks, iced coils and condensate backups that shut a system down mid-cycle. Humid Virginia summers push equipment hard, and a marginal part gives up on the hottest day rather than a mild one. Take a look at your breaker and your filter first, since both are quick. If neither one explains it, call us or fill in the quote form with the address and what you are hearing.

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  • Open 7 days
  • Written quote before work starts

Taking calls until 5:00 PM ET

AC Repair technician working in Great Falls, VA
AC Repair technician in Great Falls, VA

Common AC faults in Great Falls homes

  • The air coming out is warm even though the unit is running Low refrigerant charge from a leak, a failed compressor, or a frozen indoor coil from restricted airflow
  • Outdoor unit hums but the fan on top is not spinning Failed run capacitor or a burned out condenser fan motor
  • It runs all day and the house never gets below the high seventies Undercharged system, dirty coil, duct losses in a vented crawlspace, or a unit short on capacity for the load
  • The house feels clammy and sticky even when the thermostat is satisfied Oversized equipment short cycling, low airflow, or blower speed set wrong for humid weather
  • System shuts itself off after a few minutes and the drain pan is wet Clogged condensate line tripping a float switch, or a plugged drain at the air handler

People call this air conditioning repair, air conditioner repair, air conditioning service or AC repair. Same visit, same written quote, same technician.

Great Falls coverage

From Great Falls we also cover Vienna, McLean, Reston, Herndon, Oakton and Falls Church.

Other repairs we do in Great Falls

All AC repair → · Great Falls service directory →

How we compare to other HVAC companies in Great Falls

James River Heating & AirBig-box repair chainsHandyman listings
Written quote before any work
Live answer seven days a week
Every major brand, gas or electric
Independent company, nobody's quota
Local techs who know the housing stock

What you get on every job

The quote comes first, in writing

Covering 171 cities across Washington DC, Delaware, Maryland and 5 more.

A real person answers

Open 7 days, 8:00 AM to 5:00 PM ET.

Every major brand, gas and electric

Carrier, Trane, Lennox, Goodman and more. We are not an authorized dealer for any of them.

AC Repair in Great Falls — quick answers

How soon can someone get out for AC repair?

Call us and we will tell you honestly where you sit in the day. Hot spells fill the schedule fast, so the earlier you call the better. If the system is icing or leaking water, shut it off at the thermostat while you wait.

My AC froze into a block of ice. What should I do?

Turn the cooling off at the thermostat and leave the fan on to help the coil thaw. Ice almost always means low airflow or low refrigerant. Change the filter, then call us so we find the actual cause before it happens again.

Is it worth repairing an older air conditioner or should I replace it?

It depends on what failed and the condition of the rest of the system. A capacitor or fan motor on an otherwise sound unit is worth fixing. A failed compressor with a leaking coil on an aging system is a different conversation, and we will lay out both paths.

Do you top off refrigerant?

We find and repair the leak first. Refrigerant does not get used up, so a low charge means it went somewhere. Adding more without fixing the leak just buys a few weeks and puts strain on the compressor.

How soon can you get to my house in Great Falls?

Call us and we will give you a real window rather than a guess. No-cooling and no-heat calls get priority during heat waves and cold snaps, and if a bad stretch has us stacked up, we will tell you that on the phone instead of letting you wait all day. Larger Great Falls homes with multiple zones sometimes need extra time on site, so we try to book those with room in the schedule.

How it works

  1. Step 1

    Tell us the symptom

    Call or fill in the form and describe what changed. Warm air, short cycling, a smell, water near the indoor unit. Details like that help us load the right parts before we leave.

  2. Step 2

    We diagnose the whole system

    We check the thermostat, the indoor unit, the outdoor unit and the ductwork, including runs in crawlspaces where damp air and loose joints quietly cause weak airflow and long run times.

  3. Step 3

    You approve the fix

    We explain what failed, what it takes to repair it, and what we would watch next season. Nothing gets replaced without your yes, and we clean up before we leave.

Call (888) 365-6280
  • A real person answers
  • Open 7 days
  • Written quote before work starts

Why homeowners call us

  • Humidity is our home groundMuggy summers and damp shoulder seasons drive most of the calls we take. We look at moisture and airflow together, not the cooling number alone, because a clammy house often means a sizing or duct problem.
  • Crawlspace ducts get checkedOlder homes across the region run supply ducts through vented crawlspaces. Crushed flex, disconnected boots and soaked insulation show up constantly, and we get under the house to look instead of guessing from the register.
  • Heating and cooling bothSame crew for air conditioning repair in July and heating repair in January. We know how your furnace, heat pump and air handler share ducts and a blower, so one visit covers the whole system.
  • Plain talk on repair or replaceWhen a repair makes sense, we repair it. When a system is failing in ways that will keep costing you, we say so and explain why, then leave the decision with you and your timeline.
  • All major brands, gas & electricCarrier, Trane, Lennox, Goodman, Rheem, York and more, as an independent company.
  • Straight answersIf a system is not worth repairing, we say so, often right on the phone.

AC Repair in Great Falls

Gas & electricBoth
All major brandsYes
Written quotesYes
Open7 days

The longer it sits broken, the more it takes from you

Fault described, quote approved, repair done. The first step takes a minute.

  • A real person answers
  • Open 7 days
  • Written quotes
  • All major brands
  • Gas & electric
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