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Fairfax City, VA

HVAC Repair in Fairfax City, VA

Warm air from the vents, a heat pump that keeps cycling or a furnace that won't start can all be fixed. We repair central air, heat pumps and gas furnaces in Fairfax City and quote the repair before touching a part.

Appliance Surgeon offers same-day and next-day visits to Fairfax City homes and buildings. The $75 diagnostic visit is credited to the repair, the price is quoted before any work starts, and every repair carries a 90-day parts-and-labor warranty.

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HVAC Repair

Schedule service in Fairfax City

Same-day and next-day visits.
Open 7 days until 10 PM (Sundays from 10 AM)

Diagnostic visit: $75, or $115 for a double unit.
Credited toward your repair when you approve the quote.

90-day warranty on parts and labor, and a written quote before any work starts.

Fairfax City notes

Heating and cooling in Fairfax homes

One Fairfax job in the cards below is a very familiar summer problem: a Carrier system blowing warm air because the compressor wouldn't start, fixed with a new dual-run capacitor and contactor. When the outdoor fan hums, spins slowly or doesn't run at all while the indoor fan blows warm air, a capacitor is a strong suspect.

Fairfax's housing mix shapes the rest. Older single-family homes often have a gas furnace with a central air system added later, while many of the townhouses run a heat pump with electric backup heat. Heat pumps that seem to blow cool air in winter are often in a defrost cycle, which is normal for a few minutes. One that runs on backup heat all the time, and pushes up the electric bill, isn't normal.

Before calling, check the filter, the thermostat batteries and mode, and the breaker for the outdoor unit. If the outdoor unit isn't running on a hot day, shut the system off so the compressor isn't damaged.

If you rent, check with your landlord first. We can send the diagnosis and quote straight to them.

Completed repairs

Completed HVAC repair in the Fairfax area

Completed repair · Fairfax, VA

A Carrier HVAC system was blowing warm air because the compressor would not start.

Repair: Replaced the dual-run capacitor and the contactor.

From our technicians’ service log; customer details are kept private.

Repair details

Before the technician arrives

The checklist our technicians follow on every visit is on the HVAC Repair page.

Before the visit: Replace only the filter if needed, note thermostat settings and stop operation if you smell burning or see water around equipment.
Helpful guides

HVAC Repair guides from our technicians

Before you book in Fairfax City, VA, these guides explain the most common symptoms, which checks are safe to try yourself, and when a technician should take over. All guides.

More services in Fairfax City, VA

What else does Appliance Surgeon repair in Fairfax City, VA?

Refrigerators, freezers, washers, dryers, dishwashers, ovens, stoves, cooktops, microwaves, range hoods, wine coolers and HVAC systems, all in Fairfax City, VA; pick the one you need.

Nearby coverage

Where else do we repair heating and cooling systems near Fairfax City?

We also provide HVAC repair in Fairfax Station, VA, HVAC repair in Vienna, VA, HVAC repair in Annandale, VA, HVAC repair in Tysons, VA and HVAC repair in Chantilly, VA.

This location is part of our HVAC repair coverage across the DC metro area. See all appliance repair services in Fairfax City, VA.

Neighborhoods we regularly cover in Fairfax City, VA: Old Town Fairfax, Mosby Woods and Fairfax Circle.

Frequently asked questions

HVAC Repair in Fairfax City, VA FAQ

Can someone come fix my AC or furnace today in Fairfax City?

We're based in Alexandria, about 14 miles from Fairfax City. Same-day and next-day appointments are available when the technician route has open windows; call or book online for the earliest option. Urgent heating and cooling visits cost the same standard rate any day of the week, evenings included, right up to 10 PM. Hours run 8 AM to 10 PM Monday through Saturday and 10 AM to 10 PM on Sunday.

Many HVAC repairs are completed in a single visit once the technician has diagnosed the fault and confirmed the parts on hand. If a specific part has to be ordered, we schedule a short return visit to finish the job.

What does HVAC repair cost in Fairfax City?

Appliance Surgeon charges $75 for the diagnostic visit, or $115 for a double unit (such as a double wall oven, washer-dryer combo or stacked laundry), and the fee is credited toward the repair if you approve the quote. Capacitors, igniters and sensors are common, affordable repairs; compressors and refrigerant work cost more. Every visit runs the same way - diagnosis, then a firm quote you approve before repair. Urgent no-heat and no-cooling calls in Fairfax City, VA get priority scheduling. Typical HVAC price ranges are in our repair cost guide.

What heating and cooling problems do you fix in Fairfax City?

Common calls include AC not cooling, heat not working, thermostat problems, weak airflow, system short cycling and unusual HVAC noise. The exact cause is confirmed during diagnosis.

My AC in Fairfax is running but blowing warm air. What's the likely cause?

If the outdoor unit isn't running or hums, a failed capacitor or contactor is common. A Fairfax job we list involved exactly that on a Carrier system. A frozen indoor coil or low refrigerant can also cause it. Turn the system off and book a diagnosis.

My heat pump seems to run on emergency heat all the time. Is that normal?

It isn't. First make sure the thermostat isn't set to EM HEAT, which is a manual mode. If it's on normal heat and the backup heat still runs constantly, a thermostat setup problem, a failing outdoor-unit part or low refrigerant is the usual cause. It's worth fixing, since backup heat costs a lot more to run.

Should I try to fix the system myself first?

Two safe checks solve a surprising share of calls: fresh thermostat batteries and a clean filter - a clogged filter can shut a system down on its own safety limits. Beyond that, leave it to a technician. And if you ever smell gas, leave the home and call your gas company or 911 before anything else.