Furnace replacement in Purcellville.
A new propane or gas furnace in Purcellville runs $4,285 to $14,040 installed, and your AC or heat pump stays. Here it usually burns propane from a tank.
- Installed price in writing
- Sized to the house, not the old nameplate
- Dedicated HVAC team
Get your furnace priced in writing
Purcellville furnaces run on a tank in the yard, and the outdoor unit is often the younger half.
Natural gas barely reaches Purcellville. The Census counts about one owner home in twenty inside the town limits heating with it, the lowest share of any town on our pages, while about a third burn propane. Out on the county side of 20132 propane climbs to close to half. So a furnace coming due here almost always draws from a tank on the lot.
Keeping the outdoor unit is the whole idea of this job, and it often fits here. Some propane houses pair the furnace with a heat pump out back that heats through the shoulder seasons and calls on the furnace only when it gets truly cold. That outdoor unit runs in every month of the year, so it tends to wear out and get replaced first. When the furnace finally goes, the newer heat pump or air conditioner stays, and the new furnace has to carry its coil and push the airflow it was matched to.
Age splits along the calendar of the town. About half the homes inside the limits went up since 2000, and the Town’s median owner home dates to 2001, so a propane furnace that came with one of those houses has been lighting every winter for over two decades. Another third of the town was built from 1980 to 1999, and most of those houses are already on their second furnace. Outside the town, close to three homes in ten predate 1980, and a furnace in one of those is seldom the first the house has had.
Closer to Main and 21st Streets the houses are older still. The Town’s plan walks through them in layers: Victorians from after the railroad came, Arts and Crafts bungalows and foursquares, brick and stone Cape Cods from the 1940s and 1950s. In those, the furnace often sits in a basement and may vent up a masonry chimney. A high-efficiency replacement vents out through the wall in plastic pipe instead, and on a single-family house the Town’s Board of Architectural Review doesn’t review that pipe, even along the historic corridors.
Purcellville houses, by the numbers
From the Census Bureau’s 2020 to 2024 survey, owner-occupied homes unless it says otherwise.
The Town of Purcellville
Inside the town limits: the downtown grid around Main and 21st Streets, the historic corridors along Main, 21st, 23rd and 32nd Streets and Berlin Turnpike, and the newer neighborhoods such as Village Case.
- Median home built2001 Census
- Built before 1980about 2 in 10 Census
- Built since 2000about 5 in 10 Census
- Most homes aresingle-family houses, about 7 in 10 Census
- Heated withelectricity, about 5 in 10 Census
- Rentedabout 1 in 10 Census
- Propane heats a real share of homes here, and we replace propane furnaces too.
- A lot of furnaces here are the builder’s originals, coming up on twenty years.
What a new furnace costs in Purcellville.
The same price book our estimator runs on, for a gas furnace on its own, 2 to 5 tons, keeping the air conditioner you have. A single-stage furnace in a small house sits near the bottom; a modulating one in a big house, near the top.
- A gas furnace alone, keeping your air conditioner, installed$4,285 to $14,040
- A furnace and air conditioner together, installed$8,898 to $23,000
- Repair diagnostic visit, if it may be worth fixing$99
The HVAC replacement cost estimator narrows it to your house. Then a tech measures, and you get the installed price in writing, at no charge, before anything is ordered.
Natural gas or propane, in a house, a townhouse or a condo, we replace them all. Oil furnaces we don’t.
When a new furnace makes sense in Purcellville.
It’s still the builder’s furnace
A house from the 2000s often runs the furnace it was built with. Around twenty years, inducer motors and control boards start to go, one after another.
You heat with propane
We replace propane furnaces as well as natural gas ones. The new furnace is set up for propane before it’s lit, and the quote is written for your house.
The heat exchanger is cracked
It’s the wall that keeps the burner’s exhaust out of the air the furnace blows through the house. Nobody patches one; a crack ends the repair conversation.
Who signs off on a new furnace in Purcellville.
Town of Purcellville
The Town of Purcellville handles zoning and Loudoun County handles building permits inside the town. The Town says a replacement kept to the same size and the same location typically needs no Town permit, and its Community Development staff at (540) 338-2304 will confirm. Source.
Loudoun County
Loudoun County requires a permit to swap a gas water heater or furnace. Since October 2025, a replacement that keeps the same BTUs in the same spot needs no plans. Source.
How to pick the best furnace replacement company in Purcellville.
Questions to ask anybody who quotes you, us included.
Did they check that the tank line can feed the new furnace?
A two-stage furnace, or one with a bigger burner, can draw more propane than the one it replaces. Ask whether the quote looks at the regulator and the line from the tank, not only at the furnace closet.
Did they size it to your house?
Ask how they picked the size. Copying the old nameplate repeats whatever was guessed when the house was built.
Did they check the air conditioner you’re keeping?
A new furnace has to work with the coil and the outdoor unit already there. Ask whether they looked at both before quoting a furnace on its own.
Will they tell you if it’s worth fixing?
A good company puts the repair price next to the replacement range and lets you choose. Already holding somebody’s big number? Take the free second opinion first.
What our customers say.
Rich did a great job. We hit it off very well. He was on time, and we promptly gathered the necessary measurements. He explained all the details. He prepared the estimate while at the house. This work is for a HVAC full replacement.
5.0 stars across 884 Google reviews. Read them on our reviews page.
Furnace replacement questions from Purcellville.
Does a same-size propane furnace swap need a permit in Purcellville?
Yes, from Loudoun County, inside the town limits and out, and the Town’s zoning side typically stays out of it. Virginia’s building code lets a house’s mechanical equipment be swapped like for like without a permit only when it burns no fuel, and propane is a fuel gas, so it counts the same as natural gas.
How much does a new furnace cost in Purcellville?
$4,285 to $14,040 installed for a gas furnace on its own, keeping the air conditioner you have; size and efficiency set where yours lands. A furnace and air conditioner together run $8,898 to $23,000. The HVAC replacement cost estimator gives your house its own number.
Should I repair it or replace it?
Fix the small parts on almost any furnace. Past fifteen years, with a repair over a third of the price of a new one, replacing usually wins. Not sure which you’re looking at? The diagnostic visit is $99, and the tech prices the repair before starting it.
More from SwiftPro in Purcellville.
More from SwiftPro in Purcellville
The range first, then your number.
Call, or book online and pick a window. A tech measures the house and puts the installed price in writing before anything is ordered, and if the old furnace is worth fixing, you’ll hear that first.
SwiftPro Heating, Cooling & Plumbing is a licensed, BBB Accredited (A rating), independently owned heating, cooling and plumbing company in Chantilly, serving Purcellville and the rest of Northern Virginia. Virginia contractor license #2705192276. 5.0 stars across 884 Google reviews. 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.