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A furnace tune-up in The Plains is $99 a system. Most of 20198 heats with a heat pump or propane, and either one is the same $99.
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5.0 stars across 1,132 reviews
Two of our heating technicians in a Northern Virginia basement, beside an open gas furnace.
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
$99 for one furnace, anywhere we work. The tech checks the gas pressure, the temperature rise, the safeties and the sequence of operation, which is the order the furnace lights, heats and shuts down in. A repair it turns up gets a written price first, and you decide.
Furnace tune-up, one system
$99
Heat pump, boiler or ductless mini split tune-up, one system
$99
Comfort+ membership, a heating maintenance visit every fall included
$199 a year
It’s priced per system, so a house with a second furnace for the upstairs is two tune-ups. A heat pump, a boiler or a ductless mini split is the same $99 a system.
With Comfort+ membership, $199 a year or $20 a month covers four visits every year: a heating maintenance visit in the fall, a cooling maintenance visit in the spring, a dryer vent cleaning, and a water heater flush with a sewer camera inspection. We book each one when it’s due.
What’s different in The Plains
Fauquier County’s building criteria set a winter design temperature of 17 degrees, the outdoor temperature a heating system here is sized to carry. NOAA’s 1991 to 2020 normals from Warrenton 3 SE, the nearest long temperature record, put the average January low near 25 and count about five nights a year at 10 or colder. Those nights run a system past its sizing, and that’s when a weak igniter or a tired blower motor gives itself away.
By degree days, a year here asks about four and a half times more of the heat than of the cooling. In late January 2026 an Arctic outbreak brought Extreme Cold Warnings to Northern Fauquier, and a weather station listed as The Plains, a few miles north of town, logged a wind chill of 6 below on February 1 and 5 below a week later. Wind chill is about skin, not houses, but that wind finds every gap.
About six owner homes in ten across 20198 heat with electricity, usually a heat pump. On nights like those it leans on its electric strips and reverses now and then to melt frost off the outdoor coil; the tune-up runs it through that sequence at the same price. The February 2016 ice storm left two to three tenths of an inch of ice across northern Fauquier. If freezing rain glazes the outdoor unit, never chip at the coil; if it won’t defrost, switch to emergency heat and call.
About one owner home in five heats with propane, and utility gas heats just 16 of the ZIP’s 589 owner homes, so gas heat here nearly always means a tank. Many newer ones vent out a side wall through two plastic pipes, and a drift over them shuts the furnace down. After a snow like the January 2016 blizzard, 24 to 36 inches across Northern Fauquier, clear those pipes first.
By the numbers
From the Census Bureau’s 2020 to 2024 survey, owner-occupied homes unless it says otherwise.
ZIP 20198 as a whole, the Town included: its own homes are too few for steady Census figures.
When it’s worth doing
Short cycling, clicking that never lights, a blower with no heat behind it. Power that drops and returns in a storm can leave a control locked out or a part weakened, and a fall tune-up’s full cycle finds which.
Propane runs at a different gas pressure than natural gas, so the tune-up checks yours against propane’s numbers.
That’s the night every furnace in town gets asked to work at once. A tune-up in the fall finds a weak part while you still get to choose when it’s fixed.
Safety and paperwork
Fauquier County Fire Rescue takes requests for help getting smoke and carbon monoxide alarms through a form on its Public Education page. Source.
Our Virginia Class A contractor license, 2705192276, is on the side of the van.
Choosing who tunes it up
Questions to ask anybody who quotes you, us included.
On a heat pump, the strips carry the house on the coldest nights. Ask whether the tech confirms they come on when called for and writes it down.
Ask before anyone comes out. Gas pressure and temperature rise are readings on a meter, so a real tune-up has numbers in it, not just a look at the filter.
Some tune-ups end in a list. Ask which items are failing now, which can wait a season, and what each one costs, before you agree to any of it.
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.
SwiftPro (Moises) did an excellent job assessing our HVAC system and explaining its current condition. We will likely work with them again in the future.
Where we work
Next door to The Plains: Broad Run, Haymarket, Rectortown, Marshall and Gainesville.
Questions
A propane furnace needs electricity for its blower, igniter and controls, so an outage stops it however full the tank. It should restart on its own when power returns. If it doesn’t, or it lights and quits, call us after a storm and we’ll check it all.
The Warrenton station’s normals put the first fall freeze around November 1, so September and October are the easy months: the heat isn’t needed yet, and a part it finds gets fitted before the frost.
$99 for one furnace, and the same for a heat pump, a boiler or a ductless mini split. If it turns up a repair, you get the price in writing before any work, and you decide.
No. The furnace tune-up is its own visit at $99. The Heating Check and the Clean Heat deep clean, the one that takes the blower wheel out and cleans it, are separate offers with their own terms on our Clean Heat page.
Ready when you are
Call, or send the form at the top. One furnace is $99, and anything it needs gets a written price before any work.
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 The Plains 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.