When Your Heat Fails, We’re the Team You Can Count On
If your heater suddenly stops working, struggles to keep up, or makes your home feel anything but comfortable, Dave’s Heating & Air is ready to get things back on track — quickly, safely, and with workmanship you can trust.
Heat Problems Don’t Wait — and Neither Do We
When your heater quits in the middle of a cold Virginia night, you feel it immediately. Maybe the air coming through the vents is barely warm. Maybe the system won’t turn on at all. Maybe it’s making sounds you’ve never heard before. No matter the issue, you shouldn’t have to bundle up and hope for the best.
Dave’s Heating & Air responds quickly, diagnoses accurately, and repairs your system with care — so your home gets warm again without the stress.
What Sets Our Heater Repair Apart
Most homeowners don’t want technical jargon or guesswork — they want to know what’s wrong and how soon it can be fixed. Our technicians take the time to explain what’s happening with your system and why. We focus on lasting solutions, not temporary band-aids, and we back every repair with workmanship you can rely on.
Our Repair Process: Clear, Thorough, and Built for Accuracy
Heating problems don’t always come from the obvious place. A furnace that won’t start might have a failing ignitor… or a safety switch issue… or an airflow restriction… or a control board malfunction. That’s why we never guess.
Here’s how we handle every repair:
In-depth diagnostic
We test electrical components, airflow, ignition systems, sensors, safety switches, and more.Straightforward explanation
You’ll understand exactly what went wrong and the options to fix it.Upfront repair pricing
No surprises, no hidden fees.Clean, careful repair work
We protect your home and leave the workspace spotless.Full heat performance test
We verify that your system is heating evenly, safely, and efficiently before we leave.
Repairs for Furnaces, Heat Pumps & Hybrid Systems
No matter how your home is heated, our team has the training and experience to get your system running again.
We repair:
Gas and electric furnaces
Heat pumps (including variable-speed systems)
Dual-fuel and hybrid setups
Packaged units
Residential and light commercial heating systems
Our technicians work on all major brands, from Carrier and Trane to Lennox, Goodman, Rheem, and many more.
When a Repair Isn’t Enough
Some heating systems are simply at the end of their lifespan. If your heater is older, unreliable, or facing multiple expensive repairs, we’ll give you honest guidance on whether replacement might be the better long-term option.
No pressure — just clear information to help you make the right choice for your home and budget.
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.
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Keeping Northern Virginia Warm Since 1975
Reliable Heating Service, Repairs, and Installations
When the temperatures drop, your heating system becomes one of the most important parts of your home. Whether you rely on a furnace, heat pump, or a hybrid setup, you need service you can trust — and a team that understands how to keep your system running safely and efficiently.
At Dave’s Heating & Air, we provide complete heating care for residential and light commercial properties. From seasonal tune-ups and safety inspections to fast repairs and full system replacements, our technicians bring decades of experience and a commitment to doing the job right.
For nearly 50 years, homeowners in Reston, Herndon, Sterling, and surrounding Northern Virginia communities have turned to Dave’s for honest recommendations, dependable service, and comfort they can rely on all winter long.
Call 571.346.3940 and let’s keep your system humming!
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!