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.
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 knows the difference between a quick fix and a deeper issue, so you don’t waste time or money guessing. We diagnose precisely, explain clearly, and fix it right the first time.
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
Why 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.
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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!