Open 24/7 for emergencies
For heat pump repair in Philomont, the diagnostic visit is $99. Call SwiftPro, rated 5.0 stars across 1,130 reviews, at (703) 997-9757, 24 hours a day, 7 days a week.
For heat pump repair in Philomont, SwiftPro is rated 5.0 stars across 1,130 reviews and works under Virginia Class A contractor license 2705192276. Heat pump repair in Philomont and the farms and newer lots around it: a heat pump that can’t keep up in hard cold, and what the backup is doing meanwhile. A contactor runs $290 to $425 and a defrost board $450 to $1,150, from our published price book.
5.0 stars across 1,130 reviews
A Trane heat pump on its pad in a Northern Virginia winter, the kind of morning the calls come in.
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Rather talk now? (703) 997-9757
Licensed and insuredVirginia Class A contractor #2705192276
24/7 emergency serviceWe answer day or night, 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 as the rest of our site. The diagnostic visit is $99, and the tech prices the repair before starting it.
Repair diagnostic visit
$99
Run capacitor replaced
$240 to $370
Contactor replaced
$290 to $425
Thermostat replaced
$300 to $640
Defrost board replaced
$450 to $1,150
Control board replaced
$550 to $1,180
Prices checked .
We answer day or night, and we will tell you honestly when we can get there.
With Comfort+ membership, $20 a month or $199 a year, the diagnostic visit is included, any service is 15% off, and a heating maintenance visit comes every fall.
What’s different in Philomont
Philomont has no Census numbers of its own, so we use the Purcellville-area ZIP it sits in. There, electricity and propane each heat about 42 percent of owner homes, and almost nobody is on natural gas. Eight in ten are detached houses. The result is a place where a heat pump is as likely to be one half of a pair as the whole system, and the first thing we ask on the phone is what else is in the house.
The housing is two eras side by side. Nearly half the homes went up since 2000, and about a quarter are older than 1980. In the newer ones the pump is on its first or second set of parts: contactors, capacitors and defrost sensors are the usual suspects, and the fix is cheap. In an older farmhouse the heat pump was added to an existing duct system, and the trouble can be weak airflow, not the unit. We check both before pricing a repair.
Out here you hear the difference between a heat pump that is cold-weather ready and one that isn’t. A pump that was fine in November and sulks in January is often low on charge or has a defrost board that no longer calls the cycle. Frost that builds past the bottom half of the coil and stays through the afternoon is the sign. A little frost in the morning is the unit doing its job.
On a propane setup, the thermostat’s switchover decides when the furnace takes over. If it’s set too high, the heat pump quits early and the tank goes fast. If it’s set too low, the pump grinds on a night it can’t win. A tech who fixes the heat pump should also read that setting and tell you where it sits. On country roads like Snickersville Turnpike, a longer drive for a tech is a reason to book the visit early in the cold, not at the bottom of it.
By the numbers
From the Census Bureau’s 2020 to 2024 survey. Median year built and heat count owner-occupied homes only.
Philomont’s own ZIP, 20131, is post office boxes only, so the Census Bureau maps no area for it. These are ZIP 20132 as a whole, the Purcellville ZIP area Philomont sits in, the Town of Purcellville included.
What you’d notice
Walk outside on a cold night. If the fan is still and the air handler’s backup strips are carrying the house, you are paying for electric resistance heat every hour. A stuck contactor, at $290 to $425, is a common cause and one of the cheapest fixes on our list.
When the outdoor unit stops pulling its weight, the electric strips in the air handler carry the house. The house stays warm, and the bill tells you a few weeks later. A stuck contactor is a common reason, and one of the cheapest fixes on our list.
In a newer two-story house on one heat pump, the top floor lagging a few degrees can be ducts or the thermostat’s settings, not a failing unit. We check the system first and tell you which it is.
Need heat pump repair in Philomont?
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Choosing who fixes it
Questions worth asking anybody who comes out, us included.
In Philomont the backup is either electric strips or a propane furnace, and the repair differs. A tech who asks first has already found half the problem. One who starts swapping parts without the question is guessing.
Anyone can check on the state’s license lookup. Ours is Virginia Class A contractor license, on every van.
Every heat pump repair on our list has a range, and you hear where yours lands before a part goes in. If someone can’t give you a number until it’s done, keep looking.
An older heat pump with a refrigerant leak is often a bad repair. A good tech says so, with the repair price and the replacement price side by side.
Two of our crew going over a work order before the day's calls.
From our Google reviews
5.0 stars across 1,130 reviews. Read them on our reviews page.
Excellent work by Tyler and Team. Right from pricing to performing professional installation of new Heat Pump.
Where we work
Next door to Philomont: Middleburg, Round Hill, Bluemont, Purcellville and Hamilton.
The system we put in first
Built to take a beating. Put in by our crew.
Heat lamps, snow and rain on one outdoor unit: that’s Trane’s own film. We’re a Trane Comfort Specialist, on Trane’s own dealer locator, and when you pick a Trane, our crew puts it in.
Films: Trane’s own.
Questions
We cover Philomont, and a longer drive is built into how we schedule, so it doesn’t change the diagnostic price of $99. Call when it starts acting up, not after it fails, and the visit lands before the coldest night.
Yes. Many Philomont houses run one in front of a propane furnace, and the repair is on the heat pump while the furnace stays as the cold-weather partner. If the pump is old enough that fixing it costs close to a new system, we lay a replacement beside the repair.
That’s defrost. The unit stops the outdoor fan, runs backwards for a few minutes to melt frost off the coil, and you see steam rising. It’s normal. Ice that stays is not.
The diagnostic visit is $99. From our price book, a capacitor is $240 to $370, a contactor $290 to $425, and a defrost board $450 to $1,150. You get the number before we start.
Ready when you are
Call, or send the form at the top. The tech prices the repair from the book before starting, and if the system is at the end of its life 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
SwiftPro Plumber & Water Heaters
4200 Lafayette Center Dr, Suite N, Chantilly, VA 20151
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 Philomont and the rest of Northern Virginia. Virginia contractor license #2705192276. 5.0 stars across 1,130 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.