Open 24/7 for emergencies
AC repair in Casanova starts with a $99 diagnostic visit, whether the house is a 1900 frame I-house in the village or a newer one out on the farm roads.
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One of our HVAC technicians beside an outdoor unit at a Northern Virginia home, the vans at the curb.
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
The same price book as our AC repair page. The diagnostic visit is $99, and the common parts ride on the truck, so most of these get fixed on the first visit.
Run capacitor replaced
$240 to $370
Contactor replaced
$290 to $425
Condensate drain cleared
$175 to $420
Refrigerant topped up
$190 to $740
Blower wheel pulled and cleaned
$300 to $440
Refrigerant leak found and repaired
$1,850 to $2,700
or $31/mo at 0% APR for 60 months
Repair diagnostic visit
$99
Monthly figures: 60mo @ 0% APR on each starting price, the whole price financed, on approved credit. Longer plans lower the payment and cost more in total. The lender sets the final terms. How financing works
Often same-day, 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 the cooling and heating maintenance visits are part of the membership.
What’s different in Casanova
Casanova holds two kinds of house. In the village, the frame I-houses of its National Register district went up around 1900, and their cooling came generations later: an air handler tucked into an attic or a closet, or a ductless head on a bedroom wall. Out along Rogues and Casanova Roads the houses are younger. In ZIP 20119, the Census area Casanova sits in, every owner home is detached and the typical one went up in 1990. A little over half those owners heat with electricity, which in a house that size usually means a heat pump, so the outdoor unit that quits in July is the same one that heated the place in January.
Summer here doesn’t ease off after dark. NOAA’s Warrenton 3 SE station, about three miles west-northwest of the village, averages a July high near 85 and a July low near 66, so during a hot spell the house never really cools down overnight and the compressor keeps going. Roughly three weeks’ worth of afternoons top 90 in a normal year, and on July 20 and 21, 2019, the Weather Service put heat index values above 110 across southern Fauquier. Stretches like that finish off a weak run capacitor, $240 to $370 to replace, or a contactor whose points have burned, $290 to $425.
Wind is the other summer hazard. On August 13, 2021, thunderstorm gusts estimated at 60 knots, close to 70 mph, blew numerous trees down where Casanova Road meets Meetze Road, about a mile west-northwest of the village. After a blow like that, look before you switch the cooling back on: a limb resting on the top grille, the cabinet knocked crooked on its pad, the insulated copper lines crushed or pulled loose, the disconnect box on the wall torn open. If you find any of it, leave the breaker off and call us once the storm passes; we’ll go over the outdoor unit, its wiring and the indoor coil before it runs again.
The village sits about 373 feet up, on ground FEMA maps as minimal flood hazard, but FEMA marks a flood zone along Turkey Run at Meetze Road, and the roads around Casanova go under in a downpour. Rogues Road closed for flooding on November 12, 2020, and on July 16, 2025, a foot of water ran across Balls Mill Road near Moopack Lane. If water climbed to the outdoor unit, or into a basement where the air handler sits, don’t run it to see whether it still works. Floodwater gets into the fan motor, the capacitor and the control board, and powering them up wet can finish what the water started.
By the numbers
From the Census Bureau’s 2020 to 2024 survey. Median year built and heat count owner-occupied homes only.
Casanova’s own ZIP, 20139, is post office boxes only, so the Census Bureau maps no area for it. These are ZIP 20119 as a whole, the Catlett ZIP area Casanova sits in.
What you’d notice
When cooling goes into an old house after the fact, the air handler often lands in the attic, with a pan under it and a thin drain line carrying the water off. Over a summer of steady running that line can clog, the pan fills, and the first sign is a stain on the ceiling underneath. Clearing the condensate drain is $175 to $420.
Ice on the outdoor lines in July means low refrigerant or starved airflow. Shut it off to thaw and call; running it iced can take out the compressor.
Usually the outdoor unit has stopped running. A hum with no fan turning is almost always the run capacitor; silence while the thermostat calls is usually the contactor.
Choosing who fixes it
Questions worth asking anybody who comes out, us included.
An old house that got its cooling in stages may have both: a central system for most rooms and a ductless head where the ducts never reached. Ask whether the tech services each one, since a ductless head has its own filter, drain and outdoor unit.
A company that prints what a capacitor or a contactor costs has already told you the number. One that won’t say until the tech is in your driveway hasn’t.
A healthy system drops the air somewhere around 16 to 22 degrees across the indoor coil. Low refrigerant means a leak, and topping it up every summer is the expensive way to find that out.
Some repairs aren’t worth doing on a 20-year-old system. The good answer shows you the repair price and the replacement price side by side and lets you pick.
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 was able to get a tech out same day I called with an issues and had a the same guy come back to do the repairs. Jamie Lazo was awesome and did exceptional work. Glad to have my AC unit back up and running!
Questions
That depends on what it hit. Fins bent flat can often be combed straight. A punctured coil or a crushed copper line means a refrigerant leak, and a leak repair runs $1,850 to $2,700. On a unit old enough to run R-22, that money usually goes further toward a new system, and the HVAC estimator gives you that number to set beside the repair.
The diagnostic visit is $99. The common repairs: a run capacitor $240 to $370, a contactor $290 to $425, a condensate drain cleared $175 to $420, refrigerant topped up $190 to $740. A refrigerant leak repair runs $1,850 to $2,700.
Fix the cheap parts on almost anything. Think twice about a big repair on a system over 15 years old, and about any leak on an R-22 system. The HVAC estimator prices a new system in about a minute, so you can put the two numbers side by side.
Ready when you are
Call, or send the form at the top. The tech prices the repair from the book before starting, and if it’s the end of the road 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
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 Casanova 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.