Professional Furnace Installation for Safe, Reliable Home Heat
Whether you’re installing a furnace in a newly finished space or upgrading your home’s heating system, Dave’s Heating & Air delivers a smooth, clear, and dependable installation experience.
A New Furnace Starts With the Right Plan
Installing a furnace in Reston and Northern Virginia isn’t just about placing new equipment — it’s about designing a system that heats your home efficiently and safely for years to come. Proper sizing, airflow setup, venting, and fuel delivery all play a major role in how well your furnace performs once it’s installed.
At Dave’s Heating & Air, we begin by evaluating your home’s layout, insulation, heating needs, and existing system configuration. We talk through your comfort goals and help you choose a furnace that fits your space, your energy preferences, and your budget.
A well-planned installation is the foundation of long-term comfort — and we take that seriously.
Choosing the Right Furnace for Your Home
Every home has different heating needs, and a furnace that’s too small or too large can cause long-term issues. We help you compare efficiency levels, comfort features, noise ratings, and system types so you can make an informed choice.
You may be considering a new furnace if:
You’re finishing or adding a new space
Your previous system was incorrect for your home
You’re upgrading to a more efficient model
You want quieter operation or more consistent heat
Your current furnace isn’t meeting your comfort needs
Our recommendations focus on the system that will perform best in your home — not what’s most expensive or easiest to install.
What to Expect During a Furnace Installation
Our installation process is built around transparency, safety, and craftsmanship. Before any work begins, we review the plan with you so there are no surprises.
On installation day, our technicians:
Protect floors and surrounding work areas
Remove old equipment when replacing an existing system
Install the new furnace with precise alignment and secure connections
Verify fuel and electrical components
Confirm proper airflow and venting
Run a full safety and performance test
Once the system is installed, we walk you through operation, maintenance expectations, and what to look for as your new furnace settles in.
The Benefits of a Newly Installed Furnace
A properly installed furnace delivers more than just heat. It offers dependable comfort, improved efficiency, safer operation, and a quieter, smoother heating experience throughout the season.
Many homeowners notice:
Lower heating bills
More consistent temperatures
Less noise during operation
Improved indoor air quality
Reduced need for repairs
A new furnace provides peace of mind — especially when winter temperatures in Reston and Northern Virginia drop.
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 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!
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.