Boiler repair and replacement in Woodbridge.
Most Woodbridge boilers we meet are gas-fired and decades old: tune-ups run $69 a system, replacements $9,900 to $16,500 installed.
Price range
$9,900-$16,500
8yrs @ 7.99%
$140/mo
15yrs @ 9.99%
$106/mo
Monthly figures on the starting price, the whole price financed, on approved credit. The lender sets the final terms. How financing works
Book your boiler visit
- Hot water boilers, gas and propane
- Navien, Weil-McLain and Force
- Heating and plumbing teams
Woodbridge boilers sit in older homes where forced air is the norm.
The median owner home in Woodbridge dates to 1976, and about three in ten went up before 1980. The boilers we do find are usually in its 1960s and 70s houses, on chimneys that predate everything else in the mechanical room. The piping is copper or steel, and the flue is metal, not the white plastic pipe you see on newer condensing units. That setup means the venting connection is often the weak point when a boiler fails. Gas heats close to six in ten owner homes here, so most of the boilers we meet in Woodbridge are gas-fired.
More of our Woodbridge calls end in a full system replacement than in most towns we serve. The $99 diagnostic tells us if the boiler is worth saving. If it is, we fix it. If it is not, we price a replacement. In a house this age the decision usually turns on the heat exchanger and the chimney: a sound boiler with a tired circulator is a repair, a cracked section is not.
The county lists the hired contractor as the permit holder. Prince William County Fire and Rescue recommends a qualified technician inspect the heating system and chimneys every year to ensure fumes vent safely. That inspection is part of the $69 tune-up.
About three in ten Woodbridge owner homes are townhouses. If yours has a boiler, it likely sits in a shared mechanical room or a small basement closet. Space is tight, so the new unit has to fit the existing piping and venting. We verify the draft with the burners active to catch blockages or gaps that a cold check misses. If you smell gas or hear a CO alarm, get out, call the gas company from outside, and contact emergency services.
Where the boilers are across Woodbridge.
Census figures for the owner-occupied homes in each place, and what a boiler call there usually meets.
| Place | Median home built | Most homes are | Heated with | What a boiler call usually meets |
|---|---|---|---|---|
| Dale City | 1983 | single-family houses, about 7 in 10 | gas, about 7 in 10 | 1980s and 90s houses, mostly forced air; boilers in the older ones. |
| Lake Ridge | 1985 | townhouses, about 4 in 10 | electricity, about 5 in 10 | Mostly heat pumps; a boiler is the exception. |
| Woodbridge | 1976 | single-family houses, about 4 in 10 | gas, about 5 in 10 | Older houses, where cast iron boilers and radiators still turn up. |
| Leesylvania | 2006 | single-family houses, about 4 in 10 | gas, about 6 in 10 | Built since 2000, almost all forced air. |
| Potomac Mills | 1988 | single-family houses, about 6 in 10 | electricity, about 7 in 10 | Mostly heat pumps; a boiler is the exception. |
| County Center | 2006 | townhouses, about 4 in 10 | gas, about 6 in 10 | Built since 2000, almost all forced air. |
Woodbridge houses, by the numbers
From the Census Bureau’s 2020 to 2024 survey, owner-occupied homes unless it says otherwise.
What boiler repair and replacement cost in Woodbridge.
A new boiler runs $9,900 to $16,500 installed, the range of our own boiler replacements; a condensing or combi boiler lands at $12,782 to $16,500. A tune-up is $69 a system, regularly $99.
- High-efficiency condensing boiler or combi boiler, installed$12,782 to $16,50060mo @ 0% $213/mo
- Cast iron boiler on the chimney, replaced like for like, installed$9,900 to $13,69060mo @ 0% $165/mo
- Boiler tune-up, one system$69, regularly $99
- Boiler repair diagnostic visit$99
A repair starts with the $99 diagnostic. If the fix is a circulator pump, a valve or an expansion tank, you get that price in writing before we start, and you decide.
Want a closer number before anyone comes out? The boiler estimator asks a few questions about yours and shows the range for that job.
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
What your boiler is telling you in Woodbridge.
The chimney is older than the boiler
In Woodbridge homes from the 1970s, the chimney was there before the boiler. This is critical for safety and efficiency.
What the county says about boilers in Woodbridge.
Prince William County
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.
Prince William County lists any work that alters a home’s heating and air conditioning as permit work, but swapping an electric furnace, heat pump or air conditioning condensing unit for the same type of unit in the same spot is an ordinary repair that needs no permit. Source.
Prince William County Fire and Rescue lists furnaces and water heaters among the household sources of carbon monoxide, and says to put a CO alarm outside each sleeping area and on every level of the home and to test it monthly. Source.
Prince William County Fire and Rescue says to have a qualified technician inspect the heating system and chimneys every year, to make sure nothing blocks the fumes from venting out of the house. Source.
How to pick who works on your boiler in Woodbridge.
Questions to ask anybody who quotes you, us included.
Will they price the repair and the replacement side by side?
More of our Woodbridge calls end in a full system replacement than in most towns we serve. Ask for both numbers in writing and decide with the two in front of you.
Can they handle both halves of it?
A hot water boiler is half heating system (the burner, gas valve, flue and controls) and half plumbing (the water loop, circulator pumps, expansion tank, relief valve and zone valves). We hold a Virginia Class A license and run separate heating and plumbing teams, so each half gets a tech who does that trade every day.
Does the quote say how it vents?
A new boiler can stay on the chimney or vent out the wall in plastic pipe. A good quote says which, and whether the chimney needs a liner, because that’s where two quotes for the same boiler usually split.
What our customers say.
…did a great job recommending a new system for a Condo that did not previously have one at all (Old Boiler System). The installation went great.
4.95 stars across 1,131 reviews. Read them on our reviews page.
Boiler questions from Woodbridge.
Who holds the permit for a gas boiler replacement in Woodbridge?
Yes, we can price that switch. While we specialize in gas and propane hot water boilers, a heat pump is a different system. We will give you a written price for the boiler replacement and a separate quote for the heat pump so you can compare the two options clearly.
Can I swap my old boiler for a heat pump instead?
We can price that option. We will give you a written price for the boiler replacement and a separate quote for the heat pump so you can compare.
Do you work on steam or oil boilers?
No. We work on hot water boilers, the kind that heat radiators or baseboard, on natural gas or propane. If yours is steam or burns oil, we’ll tell you on the phone, and a switch to a heat pump or a gas or propane boiler is ours to price.
Boiler service in the towns next door.
- Boiler repair and replacement in Dumfries
- Boiler repair and replacement in Lorton
- Boiler repair and replacement in Triangle
- Boiler repair and replacement in Fairfax Station
- Boiler repair and replacement in Quantico
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Get the boiler looked at before the cold week.
Call any time: we run 24/7 emergency service. Or book online and pick a window. A tune-up is $69, a repair starts with the $99 diagnostic, and a new boiler gets a written price before any work.
SwiftPro Heating, Cooling & Plumbing is a licensed, BBB Accredited (A rating), independently owned heating, cooling and plumbing company in Chantilly, serving Woodbridge and the rest of Northern Virginia. Virginia contractor license #2705192276. 4.95 stars across 1,131 reviews on Google, Angi, Yelp, the BBB and Facebook. SwiftPro maintains a dedicated HVAC team and a dedicated plumbing team.
SwiftPro Heating, Cooling & Plumbing, 4230 Lafayette Center Dr, Suite N, Chantilly, VA 20151, (703) 997-9757. Book online, read our reviews, or see every town we serve.