Still 78 inside at midnight in July
With Quantico’s July nights averaging about 71, a healthy system pulls the house down after sunset. One that can’t usually has a dirty coil, weak airflow or a slow leak, and the readings say which.
An AC tune-up in Stafford is $99 a system, for an Aquia Harbour heat pump or a builder condenser off Courthouse Road.
Get your price in writing
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5.0 stars across 1,132 reviews
One of our HVAC technicians with an air conditioner on a Northern Virginia street, a SwiftPro box truck and pickup parked behind him.
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
One price per system, $99. We go through it before a Northern Virginia July finds the weak part for you. Anything it turns up is priced in writing before any work, and if it can wait, we say so.
AC tune-up, one system
$99
Furnace tune-up, one system
$99
Heat pump, boiler or ductless mini split tune-up, one system
$99
Comfort+ membership, a cooling maintenance visit every spring included
$199 a year
A house with two systems books two tune-ups, one for each, and a heat pump or a ductless mini split is the same $99 a system. The heating side, a furnace or a boiler, gets its own tune-up in the fall at the same price.
With Comfort+ membership at $199 a year, the cooling maintenance visit comes every spring, along with a heating maintenance visit, a water heater flush with a sewer camera inspection and a dryer vent cleaning.
What’s different in Stafford
Two federal weather stations bracket Stafford. The Marine Corps air station at Quantico sits on the Potomac about 8 miles northeast of the courthouse, and the Fredericksburg station on the Rappahannock about 10 miles south-southwest. Their 1991 to 2020 normals agree on the July high, 88 degrees, and split on the rest: Fredericksburg logs about 41 days a year at 90 or hotter against Quantico’s 30, while Quantico’s July nights bottom out near 71. Stafford lives in between, so a system here gets hot afternoons and muggy nights both.
Most of that cooling comes out of a heat pump. Across 22554 and 22556 about 57 percent of owners heat with electricity, and in Aquia Harbour, the 1980s neighborhood down on Aquia Creek, it’s 97 owners in 100. There the outdoor unit is the whole system, and run hours wear out a fan motor or a contactor. Its spring visit covers cooling; in September it comes back for heat.
Closer to the courthouse the houses are young. In the Census place around it about eight homes in ten went up since 2000, a quarter are townhouses, a third are condos or apartments, and close to six owners in ten burn gas: a condenser out back, a coil perched on the furnace inside. A builder unit from the early 2000s is near twenty summers old, and the write-up says what it has left.
Summer storms here drop trees. NOAA’s storm records count more than 50 down between Stafford and Falmouth in an August 2018 thunderstorm, six inside Aquia Harbour in May 2019, and numerous trees across Stafford in July 2025. After one, walk around the outdoor unit before switching the cooling back on: a branch through the fan grille, crushed fins, a cabinet shoved off its pad. If floodwater like December 2023’s, which closed more than a dozen roads between Stafford and Garrisonville, reached the unit, leave it off. Call us after a storm and we’ll check it all.
Neighborhood by neighborhood
Census figures for the owner-occupied homes in each place, and what that usually means for the system we’d be tuning up.
| Place | Median home built | Most homes are | Heated with | What usually cools it |
|---|---|---|---|---|
| Aquia Harbour | 1984 | single-family houses, nearly all | electricity, nearly all | Mostly electric heat: heat pumps, so the spring visit covers a system that runs all year. |
| Stafford Courthouse | 2005 | single-family houses, about 4 in 10 | gas, about 6 in 10 | Newer houses: many original air conditioners now 15 to 25 years old. |
By the numbers
From the Census Bureau’s 2020 to 2024 survey, owner-occupied homes unless it says otherwise.
ZIPs 22554 and 22556 as a whole: every Stafford address. The Census places in the table hold about one in seven of these homes.
When to book it
With Quantico’s July nights averaging about 71, a healthy system pulls the house down after sunset. One that can’t usually has a dirty coil, weak airflow or a slow leak, and the readings say which.
It cools all summer and heats all winter, so it piles up more hours in a year than an air conditioner that sits idle from October to May.
A weak capacitor is a small fix on a mild day in April. Found by a July heat wave, it’s a house with no cooling.
Choosing who tunes it up
Questions to ask anybody who books you, us included.
A heat pump has parts a plain air conditioner lacks, like the reversing valve and the defrost control, and in most Stafford houses those carry the winter. Ask whether the spring write-up flags that side.
Ask what gets cleaned and what gets checked, and whether a second system costs extra. A number with no list behind it is hard to hold anybody to.
Ask for the findings in writing, with a price on anything that needs fixing and an honest word on what can wait. A tune-up you never see written down is one you take on faith.
An air conditioner doesn’t use up refrigerant. Low means it’s leaking somewhere, and a company that tops it up every spring is selling you the same refrigerant twice.
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.
Showed up on time, worked quietly, recommended other maintenance procedures for my HVAC system. Good overall experience.
Where we work
Next door to Stafford: Fredericksburg, Quantico, Triangle, Dumfries and Midland.
Questions
Not yet. Turn the cooling off at the thermostat, pull off what you safely can, and look for bent fins, a dented cabinet or a copper line pulled loose. A tune-up is $99 a system, and anything it finds is priced in writing first.
Yes, one per season. Spring covers the cooling side; fall runs it through a heating cycle before the first freeze. Each is $99 a system.
$99 per system, the same for a central air conditioner, a heat pump or a ductless mini split. A house with two systems books two. If the tune-up turns up a repair, you get its price in writing before any work, and you decide.
Once a year, in the spring, before the first heat wave. The heating side gets its own visit in the fall. The filter needs attention more often, every one to three months, and it’s the cheapest thing on the list.
Ready when you are
Call, or send the form at the top. Anything the tune-up turns up gets priced in writing before anybody touches it, and if it can wait, you’ll hear that too.
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 Stafford 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.