It’s past 15 years
Trane puts a central air conditioner at about 15 years and Carrier at 15 to 20 with maintenance; the Department of Energy plans on 18 in Virginia’s climate.
ENERGY STAR says to weigh a replacement once an AC passes 10.
AC Replacement in Northern Virginia
A new central air conditioner, installed, runs $5,942 to $14,450 in Northern Virginia, keeping the furnace you have. Replacing the furnace with it runs $8,898 to $23,000 for both, and the HVAC estimator narrows either one to your house.
$99/mo60mo @ 0% APR
Price range
$5,942-$14,450
8yrs @ 7.99%
$84/mo
15yrs @ 9.99%
$64/mo
Monthly figures on the starting price, the whole price financed, on approved credit. The lender sets the final terms. How financing works
Get your price in writing
Send this and the office calls or texts you back to set a time.
We’ll call or text this number about your request. By sending it you agree to our terms and privacy policy.
Rather talk now? (703) 997-9757
- Sized to the house, not the old label
- 14.3 SEER2 and up
- Two years of our labor included
5.0 stars across 1,130 reviews
Licensed and insuredVirginia Class A contractor #2705192276
24/7 emergency serviceWe answer day or night, 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
What a new air conditioner
costs in Northern Virginia
Our own installed prices, the same price book as the HVAC estimator.
Air conditioner alone
$5,942 to $14,450
or $99/mo at 0% APR for 60 months
A new central air conditioner, keeping the gas furnace you have.
AC and furnace together
$8,898 to $23,000
or $148/mo at 0% APR for 60 months
Both halves at once, as one matched system. HVAC replacement
A heat pump in its place
$8,499 to $21,650
or $142/mo at 0% APR for 60 months
It cools all summer and heats on mild days. Heat pump replacement
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
Want your own number before anyone comes out? The HVAC estimator prices your house in a few questions.
What moves the price. The size the house needs, worked out from the house and not the old label. The efficiency, single-stage or variable-speed, and what the job finds: a line set that has to be replaced, work at the electrical panel, a new pad. The HVAC estimator narrows it to your house.
Limped through August? It doesn’t have to be replaced in a heat wave. A calm season is an easier time to decide, and to compare quotes.
Outside and inside
The outdoor unit is
only half the system
Central air is two halves: the condenser outside and the coil inside, on top of the furnace. Here’s why that matters when one quits.
- They’re a matched pair. The outdoor unit and the coil are rated together, and new air conditioners run on the newer A2L refrigerants, so the old coil usually comes out with the old condenser. Fairfax County asks for an A2L certification with the permit.
- R-22 systems. If yours is old enough to run on R-22, that refrigerant hasn’t been made since 2020, and a leak is usually the end of it.
- R-410A systems can still be repaired. The refrigerant is still sold, so a younger R-410A system with a fixable problem gets fixed.
- The furnace’s age matters too. The new coil sits on the furnace and uses its blower. If the furnace is as old as the AC, replacing both usually costs less than two jobs a few years apart: HVAC replacement.
- The efficiency floor. Virginia is in the Department of Energy’s Southeast region, so a new split AC has to be at least 14.3 SEER2, or 13.8 for the biggest residential sizes.
One of our HVAC installers behind a new Trane outdoor unit he just set beside a Northern Virginia house.
When it’s time
When an air conditioner is
worth replacing, and when it isn’t
Four things that usually decide it. A technician tells you which apply to yours.
It runs on R-22
R-22 refrigerant hasn’t been made since 2020, so what’s left is scarce and expensive.
On an R-22 system, a leak usually ends the repair road.
A major part failed
Goodman’s rule of thumb: when a major part fails, or the repair is close to half the price of a new air conditioner, replacing may be the better money.
On a young system under its parts warranty, it’s usually a repair.
It runs and runs, and the house stays warm
That can be refrigerant, a dirty coil, the airflow, the ducts or a unit that was never the right size.
A $99 diagnostic visit tells you which before anyone prices a new one.
How a replacement goes
From the first look
to the system running
Often same-day, and we will tell you honestly when we can get there. We run 24/7 emergency service when the heat or the air quits, and a replacement starts the same way a repair does: somebody looks at the house.
- 1
We look at the house
Someone from our HVAC team comes out and measures: the house, the ductwork, the venting, the electrical panel, where the outdoor unit sits.
- 2
Every option, priced
Each option on paper with its installed price and its monthly payment, side by side. If a repair makes more sense, you hear that first.
- 3
Install day
The crew covers the floors and the path in, takes the old equipment out and away, and puts the new system in.
- 4
Started and explained
The system runs while the crew checks it, the thermostat gets set up with you, and two years of our labor is included. Five or ten years is an option.
Paying for it
Rebates, financing and
what to ask before you sign
- Financing, on approved credit. The monthly figures on this page are the plans our estimators use. See yours on the financing page or at the estimate.
- The federal tax credit ended for heat pumps, furnaces and air conditioners installed after 2025, so nobody should be pricing one in.
- Comfort+ membership is $199 a year. The diagnostic visit is included, and half of each repair bill is banked toward replacing that system, up to $1,500. How Comfort+ works.
- Holding someone else’s quote? Our free second opinion: a technician looks at the system you were quoted on and tells you what it actually needs.
What customers said
AC replacements, in our
customers’ own words
5.0 stars across 1,130 reviews. These three are about AC replacements.
SwiftPro HVAC did an excellent job replacing our AC system during a heat wave. Their price is reasonable and their service was friendly and professional. Huge thanks to Oscar, Felix and Aron for the smooth installation, they worked efficiently, were respectful of our home, and made sure everything was up and running smoothly. Highly recommend using this company!
On spec and on price for our A/C replacement. Showed up on time and all went as promised
Tyler did a wonderful job explaining everything about replacing our AC system. He came as a stranger and I feel left as a friend I can depend on in the future. He took time to go over all the different options available, did a great job of understanding what we were looking for, and even got financing approved for us with no dazzle.…
Shown as written on Google, cut to the part about the job. Read them all.
Who installs it
The people who come
to your house are ours
No subcontracted install crews: the estimate, the install and any call after it are SwiftPro.
- A dedicated HVAC team. The people who install your system do heating and cooling every day. Our plumbers are a separate team, and when a job touches both trades, both are in the same company.
- On Trane’s dealer locator as a Trane Comfort Specialist, a Rheem Pro Partner, and Carrier experts.
- Virginia Class A contractor license #2705192276, fully insured, and BBB Accredited with an A rating.
- 5.0 stars across 1,130 reviews, and you can read them all.
- Family owned, out of Lafayette Center Drive in Chantilly and our office in Ashburn. About SwiftPro.
The SwiftPro team in front of our wrapped vans at the Chantilly shop.
The system we put in first
Built to take a beating. Put in by our crew.
Heat lamps, snow and rain on one outdoor unit: that’s Trane’s own film. We’re a Trane Comfort Specialist, on Trane’s own dealer locator, and when you pick a Trane, our crew puts it in.
Films: Trane’s own.
Where we work
AC replacement in every
Northern Virginia town we serve
Out of Chantilly and Ashburn, across six counties. Pick your town for its AC replacement page: the same prices, plus what’s different about the houses there.
Fairfax County
Arlington County
Loudoun County
Prince William County
Fauquier County
Stafford County
Asked at the estimate
AC replacement questions,
answered straight
How much does AC replacement cost in Northern Virginia?
A new central air conditioner runs $5,942 to $14,450 installed, keeping your furnace, and an AC and furnace together $8,898 to $23,000. The size the house needs, the efficiency, single-stage or variable-speed, and what the job finds, like a new line set or electrical work, decide where yours lands. From about $99 a month at 0% APR for 60 months, the whole price financed, on approved credit. How financing works
How long does a central air conditioner last?
The Department of Energy plans on 18 years in Virginia’s climate. Trane says about 15, Carrier 15 to 20 with maintenance, and Carrier notes a neglected unit can fail around year 10.
Do I have to replace the indoor coil with the AC?
Usually, yes. The outdoor unit and the coil inside are rated as a matched pair, and new air conditioners run on the newer A2L refrigerants. We’ll tell you at the estimate what your house needs.
What SEER2 does a new AC need in Virginia?
Virginia is in the Department of Energy’s Southeast region: a new split air conditioner has to be at least 14.3 SEER2, or 13.8 SEER2 for the biggest residential sizes.
Should I get a heat pump instead of an air conditioner?
It’s worth pricing. A heat pump cools exactly like an AC and also heats, so with a gas furnace it becomes dual fuel: the heat pump on mild winter days, the furnace on the cold ones. We’ll price it both ways.
Is it a repair or a replacement?
A $99 diagnostic visit tells you. Goodman’s rule of thumb: when a major part fails, or the repair is close to half the price of a new air conditioner, replacing may be the better money. A younger system with a fixable problem gets fixed.
Ready when you are
See the range first,
then your number
Call, or send the form at the top and the office calls or texts you back to set a time. The price is in writing before anything is ordered, and if a repair makes more sense, 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
Prices are SwiftPro’s own installed prices in Northern Virginia, from the same price book as the HVAC estimator; yours is written down before anything is ordered. Rebate terms are the utilities’ and change; they’re as read in October 2026. Lifespans as the Department of Energy, ENERGY STAR and the manufacturers publish them, read in October 2026. Trane, Rheem and Carrier are trademarks of their owners.
Watch real AC replacements go in
Real jobs in Northern Virginia homes, filmed by our own crew. Tap one to watch.
0:13A 30-Year-Old Air Temp AC Unit That's Still Running
0:31Old AC Unit Coming Out, New Coil Going In
0:08Trane AC Replacement Day: A New Condenser on the Pallet
0:34AC Replacement Before and After, With the Gauges On
0:46Brazing an AC Line Set: The Torch Work on an AC Swap
1:23R-454B Refrigerant Install on a Long Line Set, With a Job Site Check-In