Open 24/7 for emergencies
The diagnostic visit is $99, and a run capacitor replaced is $240 to $370 from our published price book.
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AC repair in Annandale, 22003: central air on 1960s ductwork, ductless heads and condo heat pumps, each priced from our book before any work starts.
5.0 stars across 1,132 reviews
One of our HVAC technicians beside an outdoor unit at a Northern Virginia home, the vans at the curb.
Licensed and insuredVirginia Class A contractor #2705192276
24/7 emergency serviceOften same-day, and we will tell you honestly when we can get there.
Our own HVAC installersA dedicated heating and cooling team, separate from our plumbers
Price in writing firstYou see every option priced before anything is ordered
What it costs
The same price book as our AC repair page. The diagnostic visit is $99, and the common parts ride on the truck, so most of these get fixed on the first visit.
Run capacitor replaced
$240 to $370
Contactor replaced
$290 to $425
Condensate drain cleared
$175 to $420
Refrigerant topped up
$190 to $740
Blower wheel pulled and cleaned
$300 to $440
Refrigerant leak found and repaired
$1,850 to $2,700
or $31/mo at 0% APR for 60 months
Repair diagnostic visit
$99
Monthly figures: 60mo @ 0% APR on each starting price, the whole price financed, on approved credit. Longer plans lower the payment and cost more in total. The lender sets the final terms. How financing works
Often same-day, and we will tell you honestly when we can get there.
With Comfort+ membership, $20 a month or $199 a year, the diagnostic visit is included, any service is 15% off, and the cooling and heating maintenance visits are part of the membership.
What’s different in Annandale
Count the condensers a 1960s Annandale house has worn out and the arithmetic says two or three. The median owner home went up in 1967, and an outdoor unit gives about 15 summers, so the one on the pad likely dates from the 2000s or 2010s. Check its data plate: one installed before 2010 probably runs R-22, whose production ended in 2020, and that decides how a leak gets priced.
Where in 22003 you live changes the system. Wakefield, the Census place around Canterbury Woods, is nearly all single-family houses with about eight in ten owners on gas, so the cooling there is mostly a condenser working through the furnace’s coil and blower. In the Annandale Census place and Woodburn, where the condo buildings are, about a quarter of owners heat with electricity, usually a heat pump that cools in July and heats in January.
Ductless mini-splits are a bigger part of our Annandale work than anywhere else we work regularly. In a house this age, a head tends to go in a room the original ducts never served well: a porch turned family room, a back addition, a lower level finished decades later. One that runs but barely cools often has dusty filters, which lift out from behind the front panel and rinse clean in a sink.
About three Annandale homes in ten are rented, four in ten in Woodburn. Virginia’s landlord law has a landlord who provides air conditioning keep it in good and safe working order, and Fairfax County holds apartment building owners to 77 degrees or cooler in every habitable room from May 15 to October 1.
Neighborhood by neighborhood
Census figures for each place, and what that usually means for the air conditioning. Median year built and heat count owner-occupied homes only.
| Place | Median home built | Most homes are | Heated with | What the cooling usually is |
|---|---|---|---|---|
| Annandale | 1967 | single-family houses, about 5 in 10 | gas, about 7 in 10 | Older houses on their third or fourth system, usually a gas furnace with a separate AC. |
| Wakefield | 1968 | single-family houses, nearly all | gas, about 8 in 10 | Older houses on their third or fourth system, usually a gas furnace with a separate AC. |
| Woodburn | 1968 | single-family houses, about 4 in 10 | gas, about 6 in 10 | Older houses on their third or fourth system, usually a gas furnace with a separate AC. |
By the numbers
From the Census Bureau’s 2020 to 2024 survey. Median year built and heat count owner-occupied homes only.
What you’d notice
Cold air sinks. In a split-level the coil and blower sit on the bottom floor, so bedrooms a flight and a half up get the last, weakest air. If the gap grew this summer, the filter or coil is choking; if it was always there, a ductless head up top does what a bigger condenser can’t.
Usually the outdoor unit has stopped running. A hum with no fan turning is almost always the run capacitor; silence while the thermostat calls is usually the contactor.
That’s an airflow problem far more often than a refrigerant problem: a clogged filter, a matted coil, or a blower wheel packed with dust.
Choosing who fixes it
Questions worth asking anybody who comes out, us included.
Plenty of Annandale houses have both: central air on the original ducts and a mini-split where those ducts fall short. One tech for both covers the house in one trip and sees which system is overworked.
A company that prints what a capacitor or a contactor costs has already told you the number. One that won’t say until the tech is in your driveway hasn’t.
A healthy system drops the air somewhere around 16 to 22 degrees across the indoor coil. Low refrigerant means a leak, and topping it up every summer is the expensive way to find that out.
Some repairs aren’t worth doing on a 20-year-old system. The good answer shows you the repair price and the replacement price side by side and lets you pick.
Two of our crew going over a work order before the day's calls.
From our Google reviews
5.0 stars across 1,132 reviews. Read them on our reviews page.
Jevon was very thorough and provided the essential information needed in deciding whether to replace my home AC
Where we work
Next door to Annandale: Falls Church, Springfield, Dunn Loring, Burke and Fairfax.
Questions
Usually the unit’s owner, when the air conditioning came with the lease: Virginia’s landlord law asks for reasonable air conditioning where it’s provided, and Fairfax County says other rules may apply to a rented condo. Whether the condenser outside is the unit’s or the association’s is in the condo documents.
Half of a gas-heat air conditioner lives in there: the coil on top of the furnace, the drain pan under it and the blower that moves the cold air. A matted coil, a caked blower wheel or a clogged pan stops the cooling as surely as a dead part outside. A blower wheel cleaning runs $300 to $440.
The diagnostic visit is $99. The common repairs: a run capacitor $240 to $370, a contactor $290 to $425, a condensate drain cleared $175 to $420, refrigerant topped up $190 to $740. A refrigerant leak repair runs $1,850 to $2,700.
Fix the cheap parts on almost anything. Think twice about a big repair on a system over 15 years old, and about any leak on an R-22 system. The HVAC estimator prices a new system in about a minute, so you can put the two numbers side by side.
Ready when you are
Call, or send the form at the top. The tech prices the repair from the book before starting, and if it’s the end of the road you’ll hear that first.
SwiftPro Heating, Cooling & Plumbing
4230 Lafayette Center Dr N, Chantilly, VA 20151
44679 Endicott Dr, Suite 211, Ashburn, VA 20147
Virginia Class A contractor license #2705192276
SwiftPro Heating, Cooling & Plumbing is a licensed, BBB Accredited (A rating), independently owned heating, cooling and plumbing company in Chantilly, serving Annandale and the rest of Northern Virginia. Virginia contractor license #2705192276. 5.0 stars across 1,132 reviews on Google, Angi, Yelp, the BBB and Facebook. SwiftPro maintains a dedicated HVAC team and a dedicated plumbing team.
From SwiftPro Heating, Cooling & Plumbing in Chantilly. Housing figures are the Census Bureau’s American Community Survey, 2020 to 2024, for each place named; permit, water and sewer facts link to each office’s own page and were checked in September and October 2026.