Heating, cooling and plumbing in Prince William County

Manassas, Woodbridge, Gainesville and the towns between. Three permit offices, and we know which one is yours.

Six members of the SwiftPro team standing in front of two wrapped SwiftPro vans in a Northern Virginia parking lot — Part of the SwiftPro team in front of our vans in Northern Virginia.

Every Prince William County town we serve

Pick your town. Bold towns have their own page; the card under every town gives the typical age of its houses and how most of them are heated, from the Census.

Bristow20136Typical owned home built 2004. 87% of owned homes heat with natural gas.
Catharpin20143
Dumfries22025 · 22026Typical owned home built 1985. 51% of owned homes heat with electricity.
Gainesville20155Typical owned home built 2007. 82% of owned homes heat with natural gas.
Haymarket20169Typical owned home built 1995. 63% of owned homes heat with natural gas.
Manassas20109 · 20110 · 20111 · 20112
Nokesville20181Typical owned home built 1970. 70% of owned homes heat with electricity.
Quantico22134
Triangle22172Typical owned home built 2003. 75% of owned homes heat with natural gas.
Woodbridge22191 · 22192 · 22193Typical owned home built 1976. 57% of owned homes heat with natural gas.

Neighborhood pages: Dale City

See every town we serve

Who signs off, and what's in the water

The permit office and the water utility change from one town to the next, and both change the job. Here is what applies in this county, with the source for each.

PermitsPrince William County, the City of Manassas and the City of Manassas Park each run their own permit office. Permit pages: Prince William County, City of Manassas, City of Manassas Park.
WaterPrince William Water: hardness of 2.6 to 10.5 grains per gallon in its 2025 report. Source.
WaterCity of Manassas Utilities: hardness of 2.7 grains per gallon in its 2025 report. Source.
HousesHalf the owner-occupied homes in Prince William were built in 1995 or earlier. Census table.

Reliable HVAC and Plumbing Service Areas in Prince William County

A SwiftPro technician beside a wrapped SwiftPro van in a Northern Virginia driveway, with the Virginia Class A contractor license number 2705192276 on the panel — One of our technicians beside a SwiftPro van. The Virginia Class A license number is on the side panel.

Licensed, local, and easy to check

Look up our license with the state, or read it off the side of our van.

SwiftPro Heating, Cooling & Plumbing

Virginia contractor: Class A
License no.: 2705192276
Shop: Lafayette Center Dr, Chantilly
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A dedicated heating and cooling team and a dedicated plumbing team, out of our shop in Chantilly.

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