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A furnace tune-up in Leesburg is $99 a system, natural gas or propane, in a downtown basement, a townhouse or a Lansdowne condo closet.
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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 Leesburg
Natural gas heats about two thirds of the owner homes inside the town limits and about four in five out in Lansdowne. Propane is the small share, roughly one owner home in forty in town by the Census count, usually where no gas main runs. Either fuel gets the same visit, but not the same numbers: propane runs at a higher pressure than natural gas, and the tech holds yours to the figure for your fuel on the furnace’s rating plate.
Houses from the 1980s and 90s are the biggest slice of town, about 7,000 of them, and where one has moved to a high-efficiency furnace, that furnace makes water as it burns. Over a summer off, its drain trap can dry out or gum up, and a trap that can’t drain backs water up until the pressure switch stops the burners. The tune-up runs the furnace long enough to make water and watches it leave.
Downtown is the exception. The Census puts around 380 of the town’s homes before 1940, many in the Old and Historic District, where the Town’s design guidelines ask owners to keep their chimneys. Where a gas furnace still vents up an old masonry flue, the fall visit carries more weight: a chimney cold since spring can be slow to start drawing, and one safety a tune-up tests is the switch that stops the burners when exhaust spills back instead of rising. It’s why the county’s yearly advice, below, names chimneys too.
Close to four in ten Lansdowne homes are in condo and apartment buildings, where the furnace is often a compact unit in a hall closet. If that closet door has slats or a grille, it may be how the burners get their air, so keep coats off it and never swap in a solid door.
Neighborhood by neighborhood
Census figures for the owner-occupied homes in each place, and what that usually means for a tune-up.
| Place | Median home built | Most homes are | Heated with | What the tune-up usually meets |
|---|---|---|---|---|
| Leesburg | 1996 | single-family houses, about 4 in 10 | gas, about 7 in 10 | 1980s and 90s houses, most on their second gas furnace. |
| Lansdowne | 2005 | condo and apartment buildings, about 4 in 10 | gas, about 8 in 10 | The builder’s gas furnaces, many close to 20 years old. |
By the numbers
From the Census Bureau’s 2020 to 2024 survey, owner-occupied homes unless it says otherwise.
Inside the town limits: the Old and Historic District downtown, Exeter and Carrvale inside the bypass, Potomac Station and Edwards Landing outside it.
Lansdowne only. It’s the one Census place outside the town limits, so the farms and lots beyond it aren’t in these figures.
When it’s worth doing
Usually it’s summer dust on the burners cooking off, gone by evening. If it lingers, or smells like hot wiring, turn the heat off and book a visit. If it smells like rotten eggs, that’s gas: get everyone out and call from outside.
A furnace that went in with the house is close to 20 years old on a lot of these streets. That’s the age when inducer motors and control boards start to go, and a yearly look finds the tired ones before a cold night does.
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
Inside the town limits, fire and rescue is Loudoun County’s system, answered from the Leesburg Volunteer Fire Company’s Station 1 on West Loudoun Street and Station 20 on Plaza Street, so the county’s heating and carbon monoxide advice applies in town just as it does in Lansdowne. Source.
In its fall clock-change reminder, Loudoun County’s fire and rescue system tells residents to check their carbon monoxide alarms, and recommends one outside each sleeping area and on each level of the home, tested monthly. 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.
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.
Elvis Diaz did an excellent job cleaning our condo’s HVAC system. He was very knowledgeable about maintaining the unit and the price was very reasonable.
Where we work
Next door to Leesburg: Paeonian Springs, Hamilton, Waterford, Ashburn and Middleburg.
Questions
Yes, at the same $99 a system. Close to three in ten owner homes in town heat with electricity, mostly by heat pump, and a boiler or a ductless mini split is the same price as well. Anything the visit turns up gets a written price before any work.
After the air conditioning goes quiet for the year and before the first frost, usually September into October. The furnace has sat since spring, a part it needs can be ordered on a mild afternoon, and you meet the first cold night knowing what it read.
$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 Leesburg 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.