Furnace replacement in Orlean.
A new furnace in Orlean runs $4,285 to $14,040 installed, keeping your cooling. Out here it usually burns propane, drawn from a tank on the property.
- Installed price in writing
- Sized to the house, not the old nameplate
- Dedicated HVAC team
Get your furnace priced in writing
Propane, a 17 degree design day and the January 2026 cold: an Orlean furnace swap.
The Census block group around Orlean, the village on Leeds Manor Road plus about 26 square miles of farms, counts 95 occupied homes heating with propane and just 12 on utility gas. So a furnace replacement here almost always means propane in, propane out. A new furnace normally leaves the factory set up for natural gas; before its first light the tech fits the propane conversion kit and sets the gas pressure to the rating plate.
Fauquier County sizes heating to a 17 degree winter day. Warrenton 3 SE, the closest station with thirty-year normals, averages a January low just under 25 degrees and roughly 98 nights a year at freezing or colder. Late January 2026 brought Extreme Cold Warnings on three of the coldest nights and, at the Hume station four miles northwest, a wind chill of 8 below on February 1. If your furnace ran nonstop that week and still lost ground, size the next one from this house’s heat loss, not the old label.
Keeping your cooling, around Orlean, often means keeping a heat pump. Electricity heats 306 of the block group’s 543 occupied homes, and a propane furnace under a heat pump’s coil only fires when the outdoor unit falls behind. Working part time, it can reach twenty with a clean cabinet and parts nobody stocks anymore. Read the date on its label before the next cold snap.
In the village, the National Register survey of the Orlean Historic District found houses from about 1795 into the 1950s, many with a stone chimney built on an outside wall. An older furnace may still vent into one. An outside chimney runs cold, drafts poorly and collects condensation, so a high-efficiency replacement usually vents through the wall in plastic pipe instead. Ask what will still use the chimney after that.
Orlean houses, by the numbers
From the Census Bureau’s 2020 to 2024 survey, owner-occupied homes unless it says otherwise.
Orlean
Orlean’s own ZIP, 20128, is post office boxes only, so the Census Bureau maps no area for it. These are ZIP 20115 as a whole, the Marshall ZIP area Orlean sits in, Marshall included.
- Median home built1986 Census
- Built before 1980about 4 in 10 Census
- Built since 2000about 2 in 10 Census
- Most homes aresingle-family houses, about 8 in 10 Census
- Heated withelectricity, about 6 in 10 Census
- Rentedabout 3 in 10 Census
- Propane heats a real share of homes here, and we replace propane furnaces too.
- Most homes here heat with electricity, usually a heat pump; a furnace swap here is for the gas and propane houses.
What a new furnace costs in Orlean.
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 Orlean.
It barely kept up during the January 2026 cold
Running nonstop on the coldest nights and still slipping a few degrees points at a tired furnace, an undersized one, or leaky ducts. The $99 diagnostic visit tells which before anybody prices a replacement.
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 Orlean.
Fauquier County
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.
How to pick the best furnace replacement company in Orlean.
Questions to ask anybody who quotes you, us included.
Did they check the propane line, not just the furnace?
One tank here often feeds the furnace, a water heater, a range and maybe a fireplace. Ask whether they measured the gas pressure at the furnace with the others running.
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.
David and the install team that came over were friendly, knowledgeable and professional. Happy with the install of my Trane system. Tyler was a pleasure to work work with in getting me the best price. He’s got a good thing going over there. I’m glad I went with them!
5.0 stars across 884 Google reviews. Read them on our reviews page.
Furnace replacement questions from Orlean.
Will a new propane furnace heat my Orlean house when the power goes out?
Not on its own. Its igniter, controls and blower all need electricity, so it stops when the lines come down, as they did across Fauquier in the March 2018 nor’easter, when county 911 was called about 1,100 times, mostly for trees and wires down. If you have a generator, tell us its size when we price the furnace so we can confirm it carries the new one.
Who signs off on a furnace replacement in Orlean?
Fauquier County. Orlean has no town government, so the trade permit for a propane furnace comes from the Department of Community Development on Courthouse Square in Warrenton, written at the counter the day the application goes in.
How much does a new furnace cost in Orlean?
$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 Orlean.
More from SwiftPro in Orlean
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 Orlean 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.