Reliable Heat Pump Service for Year-Round Comfort
From heating to cooling and everything in between, Dave’s keeps your heat pump running efficiently in every season.
A Smarter Approach to Heat Pump Care
Heat pumps work all year long in Northern Virginia — heating your home in the winter, cooling it in the summer, and constantly adjusting to outdoor temperatures. When one system handles everything, it needs more than a quick visual check to stay efficient and reliable.
That’s why Dave’s takes a different approach. Heat pumps aren’t built like traditional furnaces or standard AC systems, and treating them the same way can lead to missed issues, higher energy use, or unnecessary breakdowns. Our technicians are trained specifically to evaluate heat pump performance, including variable-speed and inverter-driven models. We focus on the components and patterns that matter most, so your system stays balanced, efficient, and ready for whatever the season brings.
What We Look For During a Heat Pump Service Visit
A well-maintained heat pump keeps your home comfortable without wasting energy.
During your service appointment, we take a deep look at the components that matter most, so you get a healthier, more efficient system.
Measure refrigerant levels and system pressures
Inspect reversing valve operation
Test defrost cycle functionality
Verify airflow and clean coils
Check compressor and electrical performance
Confirm heating and cooling mode efficiency
Inspect thermostat communication and sensor readings
Repairing Heat Pumps the Right Way
- Defrost board issues
- Reversing valve failures
- Electrical or control board problems
- Low refrigerant or leaks
- Outdoor unit icing
- Compressor and fan motor failures
The Value of Routine Heat Pump Maintenance
Because your heat pump runs year-round, maintenance brings even more value than with a traditional HVAC system. A clean, tuned, well-balanced heat pump uses less energy, keeps temperatures consistent, and experiences fewer mid-season breakdowns.
Most homeowners schedule service twice a year to keep performance high in both heating and cooling seasons.
Sometimes a repair isn’t the most cost-effective solution — especially if your heat pump is older or facing multiple failing components. If replacement is the smarter move, we’ll help you compare efficiency ratings, costs, and comfort features without the pressure or pushy sales tactics.
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.
Not everyone is comfortable with HVAC terminology — and that’s okay. At Dave’s, every tune-up includes a quick explanation of what we inspected, what looked great, and what might need attention down the road. Our goal is to make the health of your AC easy to understand, without overwhelming you with jargon.
If something needs repair, we show you why. If everything looks good, we tell you that too.
Request Service - It Only Takes 7 Seconds!
Keep Your Heat Pump Running Smoothly
Dedicated to Your Comfort Since 1975
Heat pumps do double duty in Northern Virginia—keeping your home warm in the winter and cool in the summer. When one system handles comfort year-round, it needs the right care and the right team behind it. That’s where Dave’s Heating & Air comes in.
We provide comprehensive heat pump services for both residential and light commercial properties, including precise diagnostics, reliable repairs, seasonal tune-ups, and full system replacements when it’s time for an upgrade. Our technicians are trained specifically in heat pump technology, from standard units to high-efficiency inverter and variable-speed models, so your system can perform at its best in every season.
With nearly five decades of experience serving Reston, Herndon, Sterling, and surrounding Northern Virginia communities, we’ve built our reputation on transparent service, honest recommendations, and lasting workmanship. When your heat pump needs attention, trust Dave’s to keep your home comfortable—no matter the weather.
Call 571.346.3940 and let’s keep your heat pump 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!