Keep Your Furnace Running Smoothly All Winter
Routine maintenance is the simplest way to prevent breakdowns, improve efficiency, and keep your home safe and warm through the coldest months of the year.
Protect Your Home With Preventive Furnace Care
Cold weather in Reston and Northern Virginia puts constant pressure on your furnace. Burners, sensors, motors, and safety controls all work together to keep your home heated — and when one component starts to fail, it often affects the rest of the system.
Annual maintenance gives your furnace the attention it needs to run dependably. It also helps catch small issues long before they turn into loud noises, strong odors, cold spots, or surprise no-heat emergencies. A well-maintained system simply performs better: steadier temperatures, quieter operation, and predictable energy use.
Why Yearly Furnace Maintenance Matters
Furnaces move a large volume of air through your home, and that airflow carries dust, debris, and contaminants that can build up inside the system. Over time, this buildup can strain components, reduce efficiency, or become a safety concern.
Routine maintenance helps prevent issues related to:
Dirty burners and ignition problems
Blocked airflow or weak blower performance
Worn electrical components
Sensors that fall out of calibration
Higher energy consumption during long run times
A yearly tune-up in Reston and Northern Virginia supports both performance and peace of mind.
What to Expect During a Furnace Maintenance Visit
During your appointment, our technician will:
Inspect burners, ignition systems, and heat exchangers
Check airflow, blower performance, and filter condition
Tighten electrical connections and test safety switches
Verify gas pressure and combustion performance
Confirm proper venting and flue operation
Calibrate the thermostat and evaluate system response
Once the system has been fully inspected and tuned, we review our findings with you so you understand the condition of your furnace and any issues that may need attention in the future.
The Long-Term Benefits of Furnace Maintenance
Routine service does more than prevent breakdowns — it helps your furnace operate the way it was designed to.
A maintained furnace often provides:
More consistent, even heat
Lower energy costs
Fewer repair visits
A longer system lifespan
Improved indoor air quality
Annual maintenance is one of the most effective ways to protect your heating investment.
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 Furnace Service, Repairs, and Installations
Cold weather puts immediate and constant demand on your furnace. When it’s working properly, you get steady heat, safe operation, and predictable energy use — but when it falters, you feel it fast.
At Dave’s Heating & Air, we specialize in full-service furnace care for residential and light commercial properties. From seasonal tune-ups and detailed safety inspections to responsive repairs and complete furnace replacements, our technicians bring decades of experience and a commitment to doing the job the right way.
For nearly 50 years, homeowners in Reston, Herndon, Sterling, and surrounding Northern Virginia communities have trusted Dave’s for honest guidance, dependable service, and the reliable heat they count 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!