A New Heating System Installed With Care and Expertise
When your heater can no longer keep your home warm—or the cost of repairs outweighs the life it has left—Dave’s Heating & Air is here to guide you through a smooth, honest, and stress-free replacement experience.
When It’s Time to Upgrade, We Make It Simple
No one looks forward to replacing their heating system. But when your heater becomes unreliable, noisy, or expensive to run, a new system isn’t just a fix—it’s a long-term upgrade to your comfort, safety, and energy efficiency.
At Dave’s, we believe in making the process clear and straightforward. We evaluate your home, explain your options, and help you choose a system sized and designed for your needs. No overselling. No pressure. Just honest recommendations backed by decades of experience.
Why Homeowners Choose to Replace Their Heater
Most systems give clear signs when they’re nearing the end of their lifespan. You might notice longer run times, inconsistent heat, rising utility bills, or frequent repairs that never seem to solve the problem for long. Older equipment also becomes less safe and less efficient over time, especially gas furnaces with aging combustion components.
Replacing your system isn’t just about new equipment—it’s about restoring comfort, reducing stress, and giving your home reliable heat for years to come.
What a Heating Replacement Looks Like With Dave’s
A proper installation affects how your system performs for its entire lifespan. That’s why we take the time to do it right. Before any work begins, we walk you through the plan, answer questions, and make sure the chosen system aligns with your home and budget.
On installation day, our team protects your home, removes the old equipment carefully, installs the new system with precision, and ensures everything is operating safely and efficiently. Once complete, we’ll review the setup with you so you feel confident and informed.
Systems We Install
We replace a wide range of heating equipment depending on what your home needs:
Gas and electric furnaces
Heat pumps
Dual-fuel and hybrid systems
High-efficiency models designed for lower energy usage
We work with trusted brands and help you compare features, efficiency ratings, and long-term value so you can choose the system that fits your goals—not someone else’s sales quota.
When Replacement Makes More Sense Than Repair
While our first choice is always to repair when it makes practical and financial sense, there are times when replacement is the more responsible option. If your system is older, facing multiple failing components, or requires a costly repair that doesn’t guarantee long-term reliability, we’ll talk through the numbers and the benefits so you can decide with confidence.
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.
Request Service - It Only Takes 7 Seconds!
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!
EXCELLENT Based on 116 reviews Posted on Wade McKinnonTrustindex verifies that the original source of the review is Google. Miguel from Dave’s Heating and Cooling is very prompt and efficient. He did our Fall service and performed preventative maintenance. He is a very polite and capable technician.Posted on Max EvangelistiTrustindex verifies that the original source of the review is Google. Excellent customer service from my first phone contact to the site assessment through installation and clean-up, Dave's provided us with expertise and efficiency. The installation crew (Adam, Adam and Jesus) worked quietly and respectfully to minimize disruption. We are very pleased.Posted on Mark RiderTrustindex verifies that the original source of the review is Google. Very professional, helpful and friendly. If you need HVAC repair or maintenance, this is the place.!Posted on Arnold SmallTrustindex verifies that the original source of the review is Google. This is a wonderful company to work with. Have used them for years & they offer exceptional service- reliable, instructive & generally very helpful.Posted on Lisa BurkeTrustindex verifies that the original source of the review is Google. Our heat went out during the coldest part of winter, and Javier and his team responded immediately. Their professionalism and care made a stressful situation so much easier. We decided to replace both our heating and AC systems, and the quality of service, expertise, and overall experience we received was exceptional. We now have complete peace of mind knowing the job was done right, and we couldn’t recommend them more highly.Posted on BenKim SkehanTrustindex verifies that the original source of the review is Google. Our HVAC went out, and they offered the most affordable replacement by far. They were extremely professional, fast, and efficient—had everything up and running in just a couple of days. Highly recommended!Posted on Craytherine CiszekTrustindex verifies that the original source of the review is Google. Since 2018 we have counted on the care and expertise of Dave’s team to keep our aging furnaces repaired and running smoothly. Each technician who has come to help has been knowledgeable, respectful and caring. This summer we needed to finally replace one complete HVAC system. Mike O’Neal worked with us using his years of experience in the field to come up with a uniquely tailored plan for our situation. Adam Colbert and his team did a fantastic job with the complex installation. Adam is a caring, confident expert and our system is working perfectly thanks to the knowledge and skills of Mike and Adam. Dave’s is a company to trust for the best HVAC service. Thank you for years of service and heart. The CiszeksPosted on Bobby RTrustindex verifies that the original source of the review is Google. These guys are my new go to for HVAC. We had an issue late day Friday and they got Adam out here to fix it. Adam was fantastic. He figured out the problem in minutes and fixed it right away. Super personable and incredibly friendly. Thank you guys for getting this done so late in the day right before the weekend, and thank you so much Adam for coming out so late on a Friday. Best HVAC experience ever.Posted on Steven PageTrustindex verifies that the original source of the review is Google. Great, fast service! Installed a new hot water heater and heat pump for us this year. Great experience working with a local company!Posted on TianaTrustindex verifies that the original source of the review is Google. We've had a great experience with Dave's. The technician, Adam, is particularly fabulous. They are prompt, personable and give excellent service.