Fast, Honest AC Repair in Northern Virginia
When your air conditioner quits, comfort shouldn’t have to wait. At Dave’s Heating & Air, our technicians arrive ready to diagnose, repair, and restore your AC — the right way, right away.
A Trusted AC Repair Company Backed by Decades of HVAC Experience
When your cooling system stops working, experience matters. Dave’s Heating and Air Conditioning has provided residential HVAC repair to Northern Virginia homeowners for decades, with dependable service, skilled technicians, and a commitment to doing the work the right way.
Our team understands how to diagnose common and complex AC problems, explain repair options clearly, and help homeowners make informed decisions about their cooling systems. Whether your air conditioner is blowing warm air, making unusual noises, cycling too often, or not turning on at all, Dave’s brings practical expertise and local service you can trust.”
When Your AC Breaks, We Get It
We’ve all been there the AC dies on a 95-degree day, and suddenly your home feels like an oven. Whether it’s a strange rattle, weak airflow, or total system failure, you need answers fast.
That’s where Dave’s comes in. Our experienced team is ready to travel anywhere from Leesburg to Arlington and knows the difference between a quick fix and a deeper issue. You never waste time or money guessing. We diagnose precisely, explain clearly, and fix it right the first time.
Don’t Wait for Your Home to Cool Down on Its Own!!
Our Repair Process: What to Expect
When your AC goes down, you don’t just want a quick fix you want to know exactly what’s happening and why. That’s why our technicians walk you through every step before we begin. No guesswork, no surprises, just clear communication and dependable service from start to finish.
Accurate Diagnosis – We start with a full system check to pinpoint the issue—not just the symptom.
Upfront Quote – You’ll know exactly what it’ll take to fix before any work begins.
Clean, Careful Repair – We respect your home, wear protective gear, and leave the work area spotless.
Performance Check – Every repair ends with a full system test to confirm efficiency and safety.
We Fix It All — Any Brand, Any Problem
From aging units that short-cycle to modern systems throwing sensor codes, we’ve seen it all. Our technicians repair all major makes and models including Carrier, Trane, Lennox, Goodman, and Rheem.
Common repairs include:
Blower motor and capacitor replacements
Refrigerant leaks and recharge
Faulty thermostats and sensors
Drain line clogs and water leaks
Frozen coils and airflow issues
GET YOUR AC DIAGNOSED TODAY!!
Don’t let a struggling air conditioner leave your home uncomfortable. Dave’s Heating and Air Conditioning provides home AC repair services for Northern Virginia homeowners who need clear answers, experienced technicians, and dependable cooling support. Schedule service today and let our team diagnose the issue, explain your options, and help get your system running the right way.
area we serve
Aldie
Annandale
Ashburn
Berryville
Brambleton
Burke
Centreville
Chantilly
Fairfax
Fairfax Station
Falls Church
Great Falls
Hamilton
Herndon
Leesburg
Lovettsville
McLean
Merrifield
Potomac Falls
Purcellville
Reston
Round Hill
Sterling
Tysons
Vienna
Why Reston Homeowners Choose Dave’s
Experience You Can Feel
We’ve served Northern Virginia homes for 50 years.
Fair, Upfront Pricing
No upsells, no hidden fees — just straight answers.
Local & Reliable
Based right here in Sterling, ready when you need us.
Respectful Service
We treat every home like it’s our own.
Some systems reach the point where another repair just isn’t worth it. If that’s the case, we’ll walk you through honest options for replacement, including energy-efficient models that can lower your monthly bills. No pressure just clear advice from people who care about doing what’s right for your home.
Keep Your HVAC System Running Smoothly
Dedicated to Your Comfort Since 1975
Air conditioning is essential, especially during the intense summer heat we experience in Northern Virginia. When your system isn’t working as it should, Dave’s Heating and Air Conditioning is here to help.
We specialize in a full range of residential and light commercial AC services, from quick repairs to complete system replacements.
Our team is well-versed in servicing and installing a variety of top brands, ensuring your system operates at peak efficiency.
With nearly five decades of experience, we take pride in delivering transparent service and lasting results to Reston, Herndon, Sterling, and across Northern Virginia. Trust us to keep your home or business cool and comfortable.
Hear It from Our Happy Customers
Nothing makes us prouder than hearing directly from the wonderful people we serve right here in Sterling, Herndon, Reston and Northern Virginia. Our reputation is built on knowledgeable technicians, courteous service, and the promise that we always leave your home as clean as we found it if not cleaner!
Customers regularly praise our team for arriving on time, delivering expert system installations and repairs, and ensuring the whole process is seamless from start to finish. Whether it’s a complete HVAC replacement or routine maintenance, folks appreciate the extra care and attention to detail we bring. Many even say they’d recommend us to friends and neighbors without hesitation. Now that’s high praise!
Dave's air FAQ
How do I know if my AC needs repair?
Common signs include warm air instead of cool, strange rattling or grinding noises, the system cycling on and off too often, or the unit not turning on at all. If you’re noticing any of these, it’s worth having a technician take a look before the problem gets worse.
How much does AC repair cost?
AC repair cost depends on the issue, your system’s age, and the parts needed. Dave’s provides an upfront quote before any work begins, so you know exactly what to expect with no surprises.
Do you offer 24 hour AC repair?
Yes. AC problems don’t wait for business hours, so Dave’s provides 24 hour AC repair for homeowners across Northern Virginia when your system fails unexpectedly.
What AC brands does Dave's repair?
Our technicians repair all major makes and models, including Carrier, Trane, Lennox, Goodman, and Rheem, whether it’s an aging unit or a modern system with sensor-based controls.
How long does AC repair typically take?
Most repairs are completed in a single visit. Our technicians diagnose the issue, explain your options, and get to work right away so your home is comfortable again as quickly as possible.
What areas do you provide AC repair services in?
Dave’s provides AC repair in Sterling, VA and Herndon, along with Reston and surrounding Northern Virginia communities, including Ashburn, Leesburg, and McLean.