The label says 2003 to 2006
That tank is an original from Bristow’s busiest building years, well past the age most tanks last. Replacing it on your own schedule costs the same as replacing it the morning it lets go, minus the wet basement.
A new water heater installed with the permit runs $2,757 to $5,493 for an electric tank, $3,379 to $5,485 for gas or propane and $8,886 to $10,486 for tankless.
Price range
$2,757-$5,493
8yrs @ 7.99%
$39/mo
15yrs @ 9.99%
$30/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
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Gas and electric water heaters in Bristow, Victory Lakes and Braemar, tank or tankless, replaced at a published price with the permit already counted. The water heater estimator gives your exact number.
5.0 stars across 1,132 reviews
Two of our plumbers wheeling a new water heater up a Northern Virginia walkway, the van 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 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 our water heater estimator, which is the price book. Everything is in the number: the permit and the inspection, the expansion tank, the drain pan, hauling the old one away, and the labor.
Electric tank, installed
$2,757 to $5,493
or $46/mo at 0% APR for 60 months
Gas or propane tank, installed
$3,379 to $5,485
or $56/mo at 0% APR for 60 months
Power vent tank, installed
$5,957 to $7,494
or $99/mo at 0% APR for 60 months
Tankless, installed
$8,886 to $10,486
or $148/mo at 0% APR for 60 months
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
How the house vents picks the row; where you land inside it is the tank size and the warranty. A hybrid heat pump water heater is quoted at the visit, never from a page.
Keeping the one you have? A yearly water heater flush slows the sediment down: $99 right now, normally $199. A tankless descale is $300, regularly $350. Or get the flush every year with Comfort+ membership, $199 a year, along with a dryer vent cleaning, a sewer camera inspection and heating and cooling maintenance visits.
What’s different in Bristow
The median owner home in Linton Hall, the Census Bureau’s name for most of 20136, was built in 2004, and about three homes in four went up after 2000. A tank usually lasts somewhere between eight and twelve years, so most of the heaters that came with those houses have been replaced once already, and the replacements from the mid 2010s are getting into their own last years. If the label on yours says 2003 to 2006, it’s an original, running on borrowed time.
Gas heats close to nine in ten owner homes here, so most Bristow water heaters burn gas too, and Prince William County treats every gas tank replacement as permit work, like for like or not. Our number already counts the permit. Swapping an electric tank for one the same size, where the old one stood, takes none.
A lot of gas water heaters in 2000s Bristow houses started life sharing one metal flue with the furnace. Many of those furnaces have since given way to condensing models that exhaust through plastic pipe in a side wall, which leaves the tank alone on a flue built for two, and a flue that big can be too roomy for one small appliance to draft through. That gets checked before the new tank goes on it; where the flue won’t work, a power vent tank with its own fan exhausts through the wall instead.
On Prince William Water, Bristow gets the West system’s blend of Potomac and Lake Manassas water, which the utility rates moderately hard at 3.5 to 7.0 grains per gallon, so sediment builds in a tank every year. On a private well nobody publishes the hardness, and Prince William Water’s lab will test well water for people who aren’t its customers. That number tells you how hard your water is on a new heater.
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
That tank is an original from Bristow’s busiest building years, well past the age most tanks last. Replacing it on your own schedule costs the same as replacing it the morning it lets go, minus the wet basement.
On a gas tank that’s usually the thermocouple or the gas valve, both repairs. A burner that lights but smells of exhaust is different: shut it off and call.
A drip from a valve can be fixed. Water from the tank itself can’t; once the lining goes, the only fix is a new heater, and sooner beats later.
If the basement took water
A water heater usually sits on the lowest floor of the house, so it’s one of the first things standing water reaches. Three checks, then call us.
Leave it off and don’t relight it. The warning label on a gas water heater says not to use it if any part has been under water, and to have a service technician replace the gas control.
Shut its breaker off at the panel, but only from somewhere dry. The elements and the thermostats get checked before it heats again.
Mop it up and look again in an hour. Water that comes back with no rain is the tank or a valve, not the storm.
Call us after a storm and we’ll check it: the gas control or the elements, the burner, the venting and the drain pan. If it has to be replaced, you get the price in writing before anything comes out.
Permits and pressure
Prince William County requires a permit to replace a gas or propane furnace or a gas appliance such as a water heater, even like for like. Replacing an electric water heater with one the same size in the same spot needs no permit. Source.
A burst tank doesn’t wait on paperwork: under Virginia’s building code the replacement can start first, as long as the permit application reaches Prince William County by the end of the next working day. Source.
Prince William Water says the pressure reducing valve is the homeowner’s to install and keep up, that the plumbing code recommends one where pressure runs 80 psi or more, and that pressure rises with the height difference between your house and the water tank serving it. Source.
Our Virginia Class A contractor license, 2705192276, is on the side of the van.
Choosing who installs it
Questions worth asking anybody who quotes you, us included.
If the furnace was replaced with a high-efficiency model, the old water heater may be venting alone up a flue sized for two. A plumber who checks that before quoting saves you a failed inspection, or a tank that spills its exhaust.
A gas water heater always needs a permit, an electric one often does, and skipping it tends to surface when the house sells. Ask whether the quote includes it and the inspection.
Most houses here have a check valve or a pressure reducer on the incoming line, so the heated water has nowhere to go. An expansion tank gives it somewhere, and leaving it out is how quotes come in low.
A thermocouple, an element or a valve is a repair, not a new heater. A good plumber says so, and saves the replacement talk for a leaking tank.
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.
Moises and Oscar responded quickly to our need for a new water heater. They came through with a quick and a professional install at a reasonable price. I trust Tyler, Moises, and the team at SwiftPro with my hvac and plumbing needs.
Where we work
Next door to Bristow: Nokesville, Manassas, Gainesville, Catharpin and Centreville.
Questions
Yes for gas: Prince William treats each gas tank swap as permit work, matching tank or not. No for an electric tank of the same size going where the old one stood. Our installed prices count the permit either way, and the price list above has both rows.
Often, if it has gas. Prince William County permits a gas tankless conversion as gas work, with a certified gas piping diagram and its own inspections, plus a plumbing permit if the water lines run more than 10 feet further or change material, and an electrical one if a circuit is added. Installed, a tankless runs $8,886 to $10,486. In Victory Lakes or another HOA, a new exhaust termination on an outside wall may need the association’s review first.
Somewhat. West system water carries 3.5 to 7.0 grains of hardness per gallon, and the minerals that drop out when it’s heated pile up as sediment under the burner or around the lower element. A tank nobody drains loses capacity and runs hotter at its base. A yearly water heater flush clears it; a tankless needs its heat exchanger descaled instead, $300 right now, regularly $350.
Installed, with the permit, the expansion tank, the pan and the haul-away: an electric tank $2,757 to $5,493, a gas or propane tank on the flue you have $3,379 to $5,485, a power vent tank $5,957 to $7,494, and a tankless unit $8,886 to $10,486. The estimator gives your exact number in about a minute.
Ready when you are
Call, or send the form at the top. The age on the label and what it’s doing tell us most of what we need, and you get the price before anything comes out.
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 Bristow 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.