Open 24/7 for emergencies
Heat pump replacement in Vienna runs $8,499 to $21,650 installed. Gas leads in the Town, so a heat pump here often takes the old AC’s place by the furnace.
Price range
$8,499-$21,650
8yrs @ 7.99%
$120/mo
15yrs @ 9.99%
$91/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
5.0 stars across 1,132 reviews
One of our HVAC technicians with an electric heat strip kit, the backup heat inside a heat pump’s air handler.
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 heating page and the HVAC estimator, for a heat pump and air handler, 2 to 5 ton.
A heat pump system, outdoor unit and air handler, installed
$8,499 to $21,650
or $142/mo at 0% APR for 60 months
A gas furnace and air conditioner together, installed
$8,898 to $23,000
or $148/mo at 0% APR for 60 months
Diagnostic visit, when a repair may do
$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
Might it be a repair? The diagnostic visit is $99, and the tech prices the repair and the replacement side by side. Financing is available, subject to approval.
With Comfort+ membership at $199 a year, the diagnostic visit is included, and half of each repair bill is banked toward replacing that system, up to $1,500.
What’s different in Vienna
The Census files a heat pump under electric heat, which makes Vienna a gas town with pockets of heat pumps. Inside the Town about 17 percent of owner homes heat with electricity, roughly 800 houses; in Wolf Trap it’s about 23 percent, close to 1,200, and Dunn Loring runs about the same. In the Tysons Census area, part of which gets Vienna 22182 mail, electric edges past gas at about half.
A Wolf Trap house on electric heat usually has one heat pump outside doing the cooling and the heating, with an air handler and backup strips inside. The typical house there dates from 1980, and a heat pump put in before 2010 most likely holds R-22, unmade since 2020. A leak on one of those usually ends the repair road.
In the gas houses, most of the Town, the heat pump usually goes on the old air conditioner’s pad and the furnace stays. That’s also the one swap Washington Gas, the supplier for most of Fairfax County, pays a dual fuel rebate on: the heat pump has to replace an existing central air conditioner, and the furnace has to meet its efficiency floor. A heat pump traded for a heat pump doesn’t count, so in an all-electric Wolf Trap house the rebate isn’t in play. Our dual fuel guide has the terms.
Toward Tysons, about three in four homes in that Census area are in condo and apartment buildings, and the outdoor half may sit on a roof, a balcony or a shared pad the association controls. Inside the town line, Fairfax County’s permit also needs the Town of Vienna’s approval in its record.
Neighborhood by neighborhood
Census figures for the owner-occupied homes in each place, and what that usually means for a heat pump.
| Place | Median home built | Most homes are | Heated with | What a heat pump job usually looks like |
|---|---|---|---|---|
| Wolf Trap | 1980 | single-family houses, nearly all | gas, about 7 in 10 | 1980s and 90s gas houses, most on a second air conditioner, the part a heat pump would replace. |
| Vienna | 1972 | single-family houses, about 8 in 10 | gas, about 8 in 10 | Older gas houses, where a heat pump pairs with the furnace once the ducts are checked. |
By the numbers
From the Census Bureau’s 2020 to 2024 survey, owner-occupied homes unless it says otherwise. A heat pump counts as electric heat.
Nearly the whole town sits in 22180, which it shares with county streets toward Dunn Loring and Merrifield.
Vienna mail outside the town line: Wolf Trap and the Tysons edge in 22182, the Oakton side of 22181, Dunn Loring. The figures are Wolf Trap’s, the biggest piece.
When it’s time
On a Wolf Trap heat pump, backup strips running when it’s 45 degrees out usually mean the outdoor unit isn’t carrying the house, or the thermostat calls them too early. A $99 diagnostic visit tells which before anybody prices a new system.
A heat pump can go where the air conditioner sat, heat on mild days and leave the cold nights to the furnace. That’s dual fuel.
It heats all winter and cools all summer, so it piles up hours an air conditioner never sees. Past 15 years, price the replacement beside any big repair.
Permits, locally
Our Virginia Class A contractor license, 2705192276, is on the side of the van.
Choosing who installs it
Questions to ask anybody who quotes you, us included.
A Vienna house with a sound gas furnace can keep it and add a heat pump outside, or go all electric with a heat pump and air handler. Ask for both prices on one page, with the rebate fit noted beside each.
Copying the old nameplate repeats whatever guess was made when the house was built. The wrong size runs worse in both seasons.
A heat pump system is the outdoor unit plus the air handler inside. Ask whether the quote covers both, matched, in writing.
Set wrong, the electric strips run on mild days. Ask who programs the thermostat and at what outdoor temperature the strips may come on.
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.
I would highly recommend SwiftPro for an HVAC replacement. The sales process was straightforward and fair and the installation was done to my satisfaction in a timely and complete manner (and I’m pretty demanding). Great job!
Where we work
Next door to Vienna: Dunn Loring, Oakton, McLean, Fairfax and Reston.
Questions
Sized for a winter night, not just a July afternoon, yes, and in most Town houses the gas furnace stays as backup anyway. Where the heat pump is the only heat, as in an all-electric Wolf Trap house, the backup strips cover the coldest hours. Our heat pump winter guide covers what to expect.
It can, with a step first. The Town’s Board of Review looks at major exterior changes in the historic district that the street can see, and a replacement on the same pad is the simple case. Moving it into the street’s view is worth raising with the Town first.
$8,499 to $21,650 installed for a heat pump system, the outdoor unit and the air handler, 2 to 5 ton. A small single-stage system lands near the bottom, a big variable-speed one near the top. The HVAC estimator narrows it to your house.
A heat pump system runs $8,499 to $21,650 installed; a gas furnace and air conditioner together, $8,898 to $23,000. No gas line usually means a heat pump. With gas, you can keep the furnace and add one; our heat pump vs gas furnace guide runs the numbers.
Ready when you are
Call, or send the form at the top. The price is in writing before the old unit comes out, 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
SwiftPro Heating, Cooling & Plumbing is a licensed, BBB Accredited (A rating), independently owned heating, cooling and plumbing company in Chantilly, serving Vienna 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.