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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Ashburn air conditioners and heat pumps repaired, from the older streets of Ashburn Village and Ashburn Farm to Brambleton and Moorefield.
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 Ashburn
Ashburn’s air conditioners come in two generations. In Ashburn proper, around Ashburn Farm and Ashburn Village, roughly half the homes were built between 1980 and 1999 and the median owner home dates to 1998, so most are on a second outdoor unit by now. Brambleton’s median home is from 2011, Loudoun Valley Estates’ from 2013, Moorefield’s and One Loudoun’s from 2015, and out there the system on a service call is usually still the original.
That split decides what a leak means. Units made before 2010 used R-22; newer ones almost always run R-410A, as nearly every original in Brambleton does. EPA’s 2025 rules aimed at new installations and left repairs alone, since parts to fix an existing system aren’t restricted. So a leak in a 2011 Brambleton condenser is usually worth pricing as a repair, and one in an R-22 unit still running behind a 1990s house is where the replacement number comes out.
Ashburn Village’s guidelines, updated in December 2020, note that newer high-efficiency outdoor units are much bigger than the old ones, and moving one to a different spot around the house needs the review committee’s approval first. Brambleton’s design guidelines let a replacement go on the same pad or wall brackets in essentially the same place with no application, and expect a unit visible from the road or a neighbor’s yard to be hidden behind landscaping or a screen that suits the house.
The newest corners lean more electric than the rest of Ashburn: about a third of Moorefield’s owners and about a quarter in One Loudoun and Goose Creek Village use electric heat, and in houses that young that means a heat pump outdoors, cooling through August and heating through January. University Center is mostly condo and apartment buildings and seven in ten homes there are rented, so it’s often a tenant who calls and the owner who approves the repair; we’ll quote whoever signs.
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 |
|---|---|---|---|---|
| Ashburn | 1998 | single-family houses, about 4 in 10 | gas, about 8 in 10 | 1980s and 90s houses, most on their second or third system. |
| Brambleton | 2011 | townhouses, about 5 in 10 | gas, about 8 in 10 | Townhouse streets: condensers side by side, air handler in a closet or attic. |
| Broadlands | 2004 | single-family houses, about 6 in 10 | gas, about 9 in 10 | Newer houses: many original systems at 15 to 25 years. |
| Loudoun Valley Estates | 2013 | townhouses, about 6 in 10 | gas, about 8 in 10 | Townhouse streets: condensers side by side, air handler in a closet or attic. |
| Belmont | 2005 | single-family houses, about 6 in 10 | gas, about 9 in 10 | Newer houses: many original systems at 15 to 25 years. |
| Moorefield | 2015 | townhouses, about 6 in 10 | gas, about 7 in 10 | Townhouse streets: condensers side by side, air handler in a closet or attic. |
| One Loudoun | 2015 | townhouses, about 4 in 10 | gas, about 7 in 10 | Townhouse streets: condensers side by side, air handler in a closet or attic. |
| University Center | 1996 | condo and apartment buildings, about 4 in 10 | gas, about 8 in 10 | Condo and apartment buildings: small splits and fan coils, roof or balcony condensers. |
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
Brambleton’s maintenance standards expect outdoor units kept in their original factory condition, so rust or peeling paint has to be treated or the part replaced. Rust on the cabinet is cosmetic; rust through the base pan, or a coil with its fins mashed flat, changes how the unit runs. The tech will say which you have.
A house from the 2000s often still has its first air conditioner. Anything installed before 2010 usually runs R-22, which hasn’t been made since 2020, so a leak on one is a repair-or-replace question.
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.
Choosing who fixes it
Questions worth asking anybody who comes out, us included.
A high-efficiency replacement can outgrow the old unit’s footprint, and in Ashburn Village relocating it needs approval first. Someone who works here measures the pad and asks about the association while you’re still choosing, not after the truck arrives.
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.
Mr Lazo did a good jod, he answered all my questions and explained me the issues with my AC. Thanks Jaime.
Questions
Not in Ashburn Village or Brambleton: both associations prohibit window air conditioners. The usual fixes are balancing the airflow you have or adding a ductless mini split. Brambleton’s guidelines don’t name mini splits, but any added AC or heat pump goes through design review first, and exterior wires have to be hidden or painted to match the siding.
Depends on the repair. On a system from the early 2010s, small parts are almost always worth it: $240 to $370 for a capacitor, $175 to $420 to clear the condensate drain. A refrigerant leak repair, $1,850 to $2,700, is the one we’d price next to a new system so you can choose with both numbers in hand.
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 Ashburn 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.