Open 24/7 for emergencies
A new propane furnace in Upperville runs $4,285 to $14,040 installed, keeping your cooling. The Census counts no 20184 owner home heating with utility gas.
Price range
$4,285-$14,040
8yrs @ 7.99%
$61/mo
15yrs @ 9.99%
$46/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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5.0 stars across 1,132 reviews
Two of our heating technicians beside a gas furnace, the cooling coil on top of it and the water heater to the right.
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 HVAC installersA dedicated heating and cooling team, separate from our plumbers
Price in writing firstYou see every option priced before anything is ordered
What it costs
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
or $71/mo at 0% APR for 60 months
A furnace and air conditioner together, installed
$8,898 to $23,000
or $148/mo at 0% APR for 60 months
Repair diagnostic visit, if it may be worth fixing
$99
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
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.
What’s different in Upperville
Utility gas doesn’t show up in ZIP 20184 at all. The Census survey there is a small one, 67 owner homes with a wide margin, but it finds about two in three heating with electricity, the other third on propane, and none on a gas main. So a furnace replacement in Upperville means a propane furnace drawing from a tank on the lot. If the new one is larger than the old, or the line from the tank was sized tight to begin with, the supplier may want to look at the regulator, so give them our install date.
Purcellville’s co-op station, about 14 miles northeast at 510 feet, is the closest long weather record to the village’s 557. Across 1991 to 2020 its January nights averaged 24.5 at the low, about 115 nights a year got down to freezing, and five or so hit 10 or colder. For sizing, the County’s design criteria use a 17 degree winter night. We figure the heat loss of your rooms against that night, then choose the furnace.
Out on the farms the answer can change. The Mount Weather station on the Blue Ridge, under five miles north at 1,659 feet, piles up about 7 percent more heating degree days than Purcellville, and its January lows run two degrees colder. A house up the slope toward Ashby Gap or Sky Meadows needs more heat on the same night than one on Route 50, and its furnace gets sized for where it actually stands.
The village’s oldest houses came long before any furnace: the register survey dates sixteen of its main buildings to before 1830, and many carry brick or stone chimneys at the gable ends. Where a furnace vents into one of those, a high-efficiency replacement usually leaves the chimney and exhausts out a side wall in plastic pipe instead. Power is the other half. On May 20, 2026, downed poles and lines closed half a mile of Route 50 just west of the village, and a propane furnace’s igniter and blower stop when the electricity does.
When it’s time
An unlined masonry flue made for a fireplace can be too big and too cold for a modern furnace’s exhaust, which then condenses inside and works at the mortar. Crumbling at the chimney top, or a damp patch on the wall beside it, is the tell. A replacement is the time to settle the venting.
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.
Fifteen to twenty years is a gas furnace’s usual run. Past that, parts get harder to find and each repair buys less time.
Permits, locally
Fauquier County wants a permit for any fuel-fired appliance, so a gas or propane furnace replacement is permit work even in the same spot. Trade permits need no plans, and usually no zoning approval. Source.
Our Virginia Class A contractor license, 2705192276, is on the side of the van.
Choosing who installs it
Questions to ask anybody who quotes you, us included.
Ask for your house’s heat loss figure in writing. In a house built in sections, a stone or log core with frame wings added later, the plate on the old furnace records what somebody guessed decades ago, not what the rooms need now.
Ask how they picked the size. Copying the old nameplate repeats whatever was guessed when the house was built.
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.
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.
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.
Jaime was great! He was on time, professional, showed me how to change the filter on my new Rheem system and took care of my outside unit too! Thank you!
Where we work
Next door to Upperville: Rectortown, Delaplane, Marshall, Bluemont and The Plains.
Questions
That turns on the county line, not the mailing address. In the village and the rest of the Fauquier side, Community Development in Warrenton wants a trade permit for any propane furnace, even dropped into the old one’s spot. North of the line, Loudoun County requires a permit for a furnace swap too, though since October 2025 one with the same BTUs in the same place needs no drawings.
Price it both ways. Most 20184 homes already heat with electricity, which out here usually means a heat pump. Paired with a propane furnace, the heat pump handles the mild days and the furnace takes over on the coldest nights. The HVAC replacement cost estimator gives a range for each.
$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.
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.
Ready when you are
Call, or send the form at the top. 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
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 Upperville 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.