AC repair in Gainesville.
Air conditioner and heat pump repair across Gainesville, Virginia Oaks and Heritage Hunt, every repair priced from our book before the work starts.
The diagnostic visit is $99, and a run capacitor replaced is $240 to $370 from our published price book.
- Prices in writing, first
- Common parts on the truck
- Dedicated HVAC team
Get your AC repair priced
Gainesville’s air conditioners divide at 2010: R-22 before, R-410A after.
The year your house was finished tells you a lot about your air conditioner here. In the part of 20155 the Census counts as Gainesville, about four in ten owner homes were built in the 2000s, when most new systems still ran R-22, and about four in ten in 2010 or later, mostly on R-410A. Before anyone quotes refrigerant work, look at the rating plate on the condenser: it names the refrigerant and the charge.
That plate changes the conversation. On a 2000s system still running R-22, a leak is a repair-or-replace decision, and topping it up every June is the expensive way to put the decision off. On a 2010s system a leak is usually just a repair: find it, fix it, recharge. And in the nearly one in ten owner homes built since 2020, the system may still be inside its parts warranty, so dig out the registration before paying for a compressor or a coil.
Prince William County keeps repairs out of its permit office: fixing an air conditioner with replacement parts takes no permit, and neither does trading a condensing unit or heat pump for a like one where the old one stood. Virginia Oaks agrees on the outside. Its design guidelines put a replaced exterior air conditioner on the list of changes that need no application.
Virginia Oaks also backs onto more than 170 acres of woods and meadow along Lake Manassas. A condenser near trees and tall grass pulls seed fluff, leaves and clippings into its coil all summer, and a matted coil makes the compressor run hot on the days you need it most. Keep grass and brush a couple of feet back from it, and have the coil rinsed once a season. Heritage Hunt sits outside the Census figures above, and with attached homes and four condominiums, the first question on a call there is sometimes who looks after the unit outside.
Gainesville houses, by the numbers
From the Census Bureau’s 2020 to 2024 survey. Median year built and heat count owner-occupied homes only.
Gainesville
- Median home built2007 Census
- Built before 1980hardly any Census
- Built since 2000about 8 in 10 Census
- Most homes aresingle-family houses, about 6 in 10 Census
- Heated withgas, about 8 in 10 Census
- Rentedabout 2 in 10 Census
- Gas heat means a furnace inside and a separate air conditioner outside, sharing one blower, so a tired blower shows up in both seasons.
- A lot of original systems here are 15 to 25 years old; before 2010 most ran R-22, which is no longer made.
What AC repair costs in Gainesville.
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
- Repair diagnostic visit$99
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 a failing AC in Gainesville usually does.
It’s the original system
A house from the 2000s often still has its first air conditioner. Anything installed before 2010 usually runs R-22, which hasn’t been made since 2020, so a leak on one is a repair-or-replace question.
The air coming out is warm
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.
It runs all day and never cools
That’s an airflow problem far more often than a refrigerant problem: a clogged filter, a matted coil, or a blower wheel packed with dust.
How to pick the best AC repair company in Gainesville.
Questions worth asking anybody who comes out, us included.
Do they read the refrigerant off the plate before they quote a recharge?
On a Gainesville system from the 2000s, R-22 costs far more per pound and isn’t being made anymore. A tech who reads the plate first gives you the real choice: fix the leak, or put that money toward a replacement.
Do they publish prices?
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.
Do they measure before they sell refrigerant?
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.
Will they tell you when it’s the end of the road?
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.
What our customers say.
Excellent price and service. Had our AC/heating system replaced. Gave us a great price and top quality install. Can’t say enough good things about them.
5.0 stars across 884 Google reviews. Read them on our reviews page.
AC repair questions from Gainesville.
Does an AC repair in Gainesville need a permit?
No. Prince William County lists repairing an air conditioner with replacement parts as work that needs no permit, and the same goes for replacing a condensing unit or heat pump with the same type in the same location. A new system in a new spot is a different question.
Do I need Virginia Oaks approval to replace my condenser?
Not for a replacement. The association’s design guidelines include a replaced exterior air conditioner among the changes that need no application. Window units have their own rule there: rear windows only, and only from May through October.
Our Heritage Hunt condenser sits beside the neighbor’s. Can you work on just ours?
Yes. On attached homes the outdoor units often sit side by side, so the first step is confirming which one is wired to your thermostat. If it’s in one of Heritage Hunt’s four condominiums, tell us the building, in case the association handles access to the pads.
How much does AC repair cost in Gainesville?
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.
Should I repair it or replace it?
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.
AC repair in the towns next door.
- AC repair in Haymarket
- AC repair in Bristow
- AC repair in Centreville
- AC repair in Nokesville
- AC repair in Chantilly
More from SwiftPro in Gainesville
Tell us what your AC is doing.
Call, or book online and pick a window. 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 is a licensed, BBB Accredited (A rating), independently owned heating, cooling and plumbing company in Chantilly, serving Gainesville and the rest of Northern Virginia. Virginia contractor license #2705192276. 5.0 stars across 884 Google reviews. SwiftPro maintains a dedicated HVAC team and a dedicated plumbing team.
SwiftPro Heating, Cooling & Plumbing, 4230 Lafayette Center Dr, Suite N, Chantilly, VA 20151, (703) 997-9757. Book online, read our reviews, or see every town we serve.