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In Springfield, a tankless water heater installed is $8,886 to $10,486. That’s after $500 off any size, the best water heater deal we have. Call SwiftPro, rated 5.0 stars across 1,130 reviews, at (703) 997-9757, 24 hours a day, 7 days a week.
Price range
$8,886-$10,486
8yrs @ 7.99%
$126/mo
15yrs @ 9.99%
$95/mo
Monthly figures on the starting price, the whole price financed, on approved credit. The lender sets the final terms. How financing works
We install in Springfield under Virginia Class A contractor license 2705192276, and SwiftPro is rated 5.0 stars across 1,130 reviews. Tankless water heaters across Springfield, Kings Park and Orange Hunt: where a gas wall unit fits an older house and where a tank is still the better call. Staying with a gas tank on the flue you have is $3,238 to $5,485. Once a year a tankless wants a descale, $300 right now, regularly $350.
5.0 stars across 1,130 reviews
One of our plumbers at a wall-hung tankless unit, the condensate line and the PVC vent in view.
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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 plumbers, our own trucksNobody here is a subcontractor with a magnet on the door
The price is settled before the workYou see the number in writing before anything is taken apart
What it costs
Installed, from the same price book as our water heater estimator: the unit, the gas line work it needs, the new venting, the condensate drain, the permit and hauling the old tank away.
Tankless water heater, installed
$8,886 to $10,486
or $148/mo at 0% APR for 60 months
Gas or propane tank on the flue you have, installed
$3,238 to $5,485
or $54/mo at 0% APR for 60 months
Tankless descale, with the plumbing check
$300, regularly $350
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
Prices checked .
Where you land in the range is mostly the gas line. A tankless burner fires far harder than a tank’s, so an older line sized for a tank often has to be upsized from the meter. We look before we quote, so that’s in the number, not a surprise.
A tankless unit’s heat exchanger scales up in hard water, so it wants a descale every year: $300 right now, regularly $350. We’ll show you the inlet screen and what came off it.
What’s different in Springfield
Springfield is a town of mid-century houses that people have been fitting out for sixty years. The median owner home went up in 1968, and about one in six is from before 1960. In a lot of Kings Park and North Springfield, those are brick ramblers and split levels with a basement stair, a small utility corner and a gas meter on the side. That’s a good tankless candidate, because the house is usually on gas and the water heater is already near an outside wall.
The catch in an old Springfield house is what’s been added since. A finished basement, a bump-out kitchen or a second bath upstairs can leave the heater tucked behind a wall or a closet door, with a vent route that crosses a finished ceiling. We walk the path in the house before the quote, since the vent is the part of a tankless job that surprises people.
West Springfield and Orange Hunt lean toward the larger 1970s and 80s houses, where the question is more often capacity than age: a tub in the primary bath and two kids’ baths on one tank. Those families notice the cooling hot water first, and a properly sized unit solves it, as long as the gas line from the meter is up to a burner that big.
Newington Forest is mostly electric, and about 40 percent of Springfield’s owners heat with electricity. For those homes, tankless is a smaller conversation: without gas in the house, we usually advise staying with a tank. Townhouses and condos, about four in ten homes, need a vent wall the owner or the association controls.
Neighborhood by neighborhood
Census figures for the owner-occupied homes in each place, and what usually decides a tankless job in houses like them.
| Place | Median home built | Most homes are | Heated with | What usually decides the job |
|---|---|---|---|---|
| Springfield | 1968 | single-family houses, about 6 in 10 | gas, about 6 in 10 | Upsizing the gas line, venting off the chimney. |
| West Springfield | 1972 | single-family houses, about 5 in 10 | gas, about 7 in 10 | Upsizing the gas line, venting off the chimney. |
| Newington | 1981 | townhouses, about 6 in 10 | electricity, about 6 in 10 | A short PVC vent out the basement wall. |
| Newington Forest | 1984 | townhouses, about 5 in 10 | electricity, about 7 in 10 | Whether there’s gas at the house at all. |
| North Springfield | 1957 | single-family houses, about 9 in 10 | gas, about 9 in 10 | Upsizing the gas line, venting off the chimney. |
| Kings Park | 1966 | single-family houses, about 8 in 10 | gas, about 9 in 10 | Upsizing the gas line, venting off the chimney. |
| Ravensworth | 1964 | single-family houses, nearly all | gas, nearly all | Upsizing the gas line, venting off the chimney. |
By the numbers
From the Census Bureau’s 2020 to 2024 survey. Median year built and heat count owner-occupied homes only.
Is it worth it
A water heater that has been in the same spot since 1968 may now have a washer, shelves or a finished wall around it. A wall-hung tankless opens up floor, but it needs clearance and a route, so we measure before we promise.
In older houses, when a high-efficiency furnace stops using the chimney, the water heater is left alone on a flue sized for two. A tankless vents through the wall in PVC and takes the chimney question off the table.
When two showers and the dishwasher empty the tank before everyone’s done, a tankless heats as you use it. It won’t run dry, but it has a flow limit, so it’s sized to how many taps run at once.
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Choosing who installs it
Questions to ask anybody who quotes you a tankless, us included.
On an older Springfield house the vent can cross a ceiling you finished in 1995. Someone who measures that route gives you a price that won’t change once the drywall is open.
A tankless burner can draw several times what a tank does. A quote written without checking the line from the meter is a quote that grows on install day.
What matters is how many showers and faucets run at the same time, and how cold the water comes in during winter. Ask what flow rate they sized it for and why.
Two of our crew going over a work order before the day's calls.
From our Google reviews
5.0 stars across 1,130 reviews. Read them on our reviews page.
This Company installed a tankless water system!!! They were great!!! Very Professional & Efficient & they Cleaned up & took out the old water tank! I would highly recommend them!!
Where we work
Next door to Springfield: Burke, Annandale, Fairfax Station, Lorton and Fairfax.
Questions
Often, yes, because it’s usually on gas with the heater near an outside wall. We check the gas line from the meter and pick the vent wall, then give you one price with both in it. Our water heater estimator gives you a first number.
A typical installed job is $8,886 to $10,486, and it moves with the gas line and the vent route, which we confirm at the house. A gas tank swap on the flue you have is $3,238 to $5,485. The yearly descale on a tankless is $350, and $300 right now.
Installed, $8,886 to $10,486, with the gas line work, the venting, the condensate drain and the permit in that number. A gas tank on the flue you have is $3,238 to $5,485, so the gap is what you pay for the floor space and the hot water that keeps up.
It never empties, because there’s no tank to empty. It does have a limit on how much hot water it makes per minute, and in January, when the water comes in cold, that limit drops. Sized to the number of showers you run at once, a family doesn’t notice.
Ready when you are
Call, or send the form at the top. We look at the gas line, the wall it would vent through and how much hot water you run at once, and you get the price in writing before anything comes out.
SwiftPro Heating, Cooling & Plumbing
4230 Lafayette Center Dr N, Chantilly, VA 20151
44679 Endicott Dr, Suite 211, Ashburn, VA 20147
SwiftPro Plumber & Water Heaters
4200 Lafayette Center Dr, Suite N, Chantilly, VA 20151
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 Springfield and the rest of Northern Virginia. Virginia contractor license #2705192276. 5.0 stars across 1,130 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.