From Manassas to the Fairfax line, one number reaches a technician who knows your streets, your housing stock, and your winters.
Manassas Furnace Pros is based at 9320 Barnes Lp in Manassas and covers ten areas in all: Manassas itself plus Centreville, Gainesville, Bristow, Woodbridge, Dale City, Haymarket, Chantilly, Fairfax, and Nokesville. Every town below has its own card with ZIP codes, neighborhoods, and the heating profile we actually see there, plus a full page of its own. Find your town, check your ZIP further down, or call (703) 962-7410 and we will confirm your street on the spot.
Pick your town for the details that match your streets and your housing stock.
Our home base, and the most varied housing on the route. Manassas mixes older in town streets with postwar neighborhoods and newer subdivisions, so its furnaces range from long serving gas systems to modern high efficiency units.
Home base at 9320 Barnes Lp, Manassas, VA 20110
ZIPs 20108, 20109, 20110, 20111, 20112, 20113
Furnace repair in Manassas · Emergency furnace repair · Furnace maintenance
Centreville mixes Sully Station and Centre Ridge townhouses with colonials along the Route 28 corridor. Many furnaces here sit in tight closets or garage corners with compact duct runs, so airflow faults and cold upstairs bedrooms lead the call list.
Sully Station, Centre Ridge and the Route 28 corridor
ZIPs 20120, 20121
Furnace repair in Centreville · Gas furnace repair · Furnace maintenance
Gainesville grew fast in the 2000s, filling Heritage Hunt and Piedmont with large homes, high ceilings, and finished basements. Many run two zoned heating systems, which doubles the igniters, blowers, and controls that need attention when one zone goes cold.
Heritage Hunt, Piedmont and the Route 29 corridor
ZIPs 20155, 20156
Furnace repair in Gainesville · Thermostat repair · Furnace installation
Bristow's planned communities, Braemar, Victory Lakes, and Kingsbrooke, were mostly built in a modern construction era. Their high efficiency furnaces and attic units face freeze and thaw condensate problems, and control and sensor faults show up long before age related wear.
Braemar, Victory Lakes and Kingsbrooke along Linton Hall Road
ZIPs 20136
Furnace repair in Bristow · Furnace maintenance · Emergency furnace repair
Woodbridge runs from Lake Ridge to Belmont Bay, and its 1970s to 1990s split levels and colonials heat unevenly: lower levels stay cold, long duct runs leak warmth, and damp river air near the Occoquan adds frost at vent terminations.
Lake Ridge, Belmont Bay and the Potomac Mills area
ZIPs 22191, 22192, 22193
Furnace repair in Woodbridge · Ductwork repair · Blower motor repair
Dale City's numbered dales hold 1960s to 1980s cape cods and ramblers, many still running long serving heating systems. Long duct runs, aging duct joints, and small upstairs rooms under the eaves make careful testing, and honest repair or replace advice, essential on these streets.
The numbered dales along Dale Boulevard and Minnieville Road
ZIPs 22193
Furnace repair in Dale City · Furnace replacement · Heat exchanger repair
Haymarket holds two towns in one: historic houses along Washington Street and 2000s subdivisions in Dominion Valley and Greenhill Crossing. Cold air pools in the lower streets below the Bull Run ridge on clear nights, and both the oldest and newest furnaces in town feel it first.
Dominion Valley, Greenhill Crossing and historic Washington Street
ZIPs 20168, 20169
Furnace repair in Haymarket · Emergency furnace repair · Furnace maintenance
Chantilly grew along the Dulles corridor, where Greenbriar and Brookfield colonials and split levels from the 1970s and 1980s stand near Route 50 condos. Ignition, blower, and airflow faults lead the calls, and many first replacement systems are aging again.
Greenbriar, Brookfield and the Route 50 corridor
ZIPs 20151, 20152
Furnace repair in Chantilly · Electric furnace repair · Furnace replacement
Fairfax heats everything from mid century homes in Mantua and Truro to colonials near Old Town and houses around George Mason University. Layered additions and older ductwork make uneven rooms and short cycling common findings, and many furnaces have long service histories.
Old Town Fairfax, Mantua and the George Mason area
ZIPs 22030, 22031, 22032, 22033
Furnace repair in Fairfax · Heat exchanger repair · Gas furnace repair
Nokesville is the rural end of the route: farm properties on large lots, houses set well back from Aden Road, and many homes heating with propane. Wind off open fields strips warmth fast, so fuel delivery, ignition, and airflow checks matter here more than anywhere else we serve.
Farm properties, Brentsville and the Aden Road corridor
ZIPs 20181, 20182
Furnace repair in Nokesville · Gas furnace repair · Furnace maintenance
Drive the route in one morning and you drive through fifty years of American housing. At the older end, in Manassas and through Dale City's numbered dales, many homes date from the 1960s through the 1980s, and some in town streets are older still. Furnaces in these houses are often the second or third system the home has had, working through ductwork installed for the first one. Duct joints loosen over decades and runs were sized for smaller equipment. Calls at this end of the route lean toward airflow, aging heat exchangers, and the honest repair or replace conversation.
At the newer end, Gainesville, Bristow, and the subdivisions of Haymarket were built largely from the 1990s into the 2010s. These homes run high efficiency condensing furnaces, sealed duct systems, and, in the larger Gainesville houses, two zoned systems under one roof. Their failures look different: condensate drains that freeze or clog in a thaw cycle, control boards and sensors, thermostat and zoning faults. The work is less about wear and more about keeping modern systems tuned, drained, and communicating properly.
Between those poles sits the mixed stock of Fairfax, Chantilly, Woodbridge, and Nokesville: mid century Mantua colonials, 1970s and 1980s Greenbriar and Lake Ridge split levels, additions layered onto original houses, and propane heated farmhouses on open lots. No single checklist fits all of it, which is why every visit on this route starts with the same sequence diagnosis rather than assumptions carried over from the last town. The housing changes from street to street. The standard of the visit does not.
Coverage is decided by street address, and these are the ZIP codes the route runs every day, grouped by town.
The route follows the corridors where our towns touch each other: Route 28 toward Centreville and Chantilly, Route 29 toward Gainesville and Haymarket, Linton Hall Road into Bristow, and Dale Boulevard through Dale City toward Woodbridge, with Manassas anchoring the middle. If your ZIP appears below, your street is on the regular route. If it sits just outside the list, call anyway: ZIP lines and town lines rarely match, and border streets are often reachable.
One ZIP deserves a note: 22193 covers parts of both Dale City and Woodbridge, so if your mail says one town and your street feels like the other, you are covered either way. Use the checker below for the six Manassas ZIPs, or bring your ZIP to the call and we will place it on the map with you.
Every Manassas ZIP is on a daily route. Mention yours when you call and we will confirm the visit window.
Most of our calls do not come from Manassas itself, so the process is built for the whole route, not just the home base. When you call (703) 962-7410 from Gainesville, Fairfax, or anywhere else on this page, the first step is the same: your address and ZIP confirm coverage, and your description of the symptom is written into the visit notes before a technician is routed. Access details you share, a long driveway, a gate, an attic unit, shape how the visit is planned.
The visit itself follows the Manassas protocol exactly, because there is only one protocol. The heating sequence is tested in order, stored fault codes are read before anything is reset, and findings are put in writing before any work begins. A no heat call in a Dale City rambler and a short cycling call in a Bristow townhouse get the same method and the same proof at the end: full heating cycles run and warm air confirmed at the registers.
If your furnace has quit entirely, two guides match what most out of town callers are dealing with: a system that does nothing at all, covered in our furnace not turning on guide, and one that runs but never warms the house, covered in the furnace blowing cold air guide. And when the situation is a genuine emergency, no heat on a freezing night or a burning smell, go straight to emergency furnace repair and call first.
What homeowners outside Manassas ask us before they book.
Yes. The ten areas on this page are the regular route, but coverage follows streets, not just town names, and homes just past a town line are often reachable. Call (703) 962-7410 with your address and ZIP code and we will confirm honestly, rather than book a visit we cannot serve well.
Often, yes. ZIP boundaries and town boundaries rarely line up neatly, and some ZIPs cross between towns, as 22193 does between Dale City and Woodbridge. What decides coverage is your street address. Give us the address when you call and we will confirm before anything is scheduled.
Yes. Every town on the route uses the same 24/7 line, (703) 962-7410, the same triage questions, and the same diagnosis first visit. Where distance affects the scheduling window, we will say so honestly and offer the earliest window we can truly keep, rather than promise a fast arrival time we cannot guarantee.
Both. Fairfax City is an independent city surrounded by Fairfax County, and addresses across ZIPs 22030, 22031, 22032, and 22033 sit on the route either way. Mention whether yours is a city or county address when you call, so the visit notes and directions are right.
Your street address and ZIP code first, then your fuel type, the age of the furnace if you know it, and a plain description of the symptom. Access notes help more than most people expect: a long driveway in Nokesville, a gate code in Gainesville, or an attic unit in Bristow all change how the visit is planned.
Yes, without exception. The heating sequence is tested in order, stored fault codes are read before anything is reset, and findings are put in writing before work begins. The town changes the housing stock and the likely faults, from a Dale City rambler to a two system home in Gainesville, but the standard of the visit never changes.
Still have a question? Describe what your furnace is doing and we will point you to the right next step. (703) 962-7410
Routes shift with demand. Call and ask about your street before you assume we cannot reach it.
Call (703) 962-7410