Reliable AC Service in Northern Virginia — Done Right the First Time
From tune-ups to emergency repairs, Dave’s keeps your Reston home cool, efficient, and comfortable all summer long.
Your Trusted Partner
When your air conditioner stops working, every hour counts. At Dave’s Heating & Air, we provide fast, professional AC service in Reston and throughout Northern Virginia — with repairs, tune-ups, and replacements done by experienced techs you can trust. Our goal is simple: keep your home comfortable and your system running efficiently year-round.
How We Know Your AC Needs Attention
(Before You Do)
Our technicians are trained to spot the subtle warning signs most homeowners miss — the small performance issues that can turn into big repairs if ignored. Things like a slow refrigerant leak, worn fan motor, or clogged drain line may not seem urgent, but they signal it’s time for service before you lose cooling altogether.
When we inspect your system, we look beyond “does it blow cold air?” — we check pressure levels, airflow balance, electrical performance, and system efficiency. That’s the difference between a quick fix and a lasting repair.
Common Signs You Need AC Service
- Warm air coming from vents
- Weak airflow or uneven cooling
- Strange noises or smells
- Rising energy bills
- AC constantly running or short-cycling
- Your real estate agent or home inspector has told you it’s time to bring in a professional!
Why Homeowners Choose Dave’s
Local
Expertise
We’ve served Northern Virginia homes for 50 years.
Upfront
Pricing
No hidden fees — just honest quotes.
Licensed Technicians
Fully licensed and insured for your safety.
Respectful Service
We treat every home like it’s our own.
Request Service - It Only Takes 7 Seconds!
Keep Your HVAC System Running Smoothly
Dedicated to Your Comfort Since 1975
Air conditioning is essential, especially during the intense summer heat we experience in Northern Virginia. When your system isn’t working as it should, Dave’s Heating and Air Conditioning is here to help.
We specialize in a full range of residential and light commercial AC services, from quick repairs to complete system replacements.
Our team is well-versed in servicing and installing a variety of top brands, ensuring your system operates at peak efficiency.
With nearly five decades of experience, we take pride in delivering transparent service and lasting results to Reston, Herndon, Sterling, and across Northern Virginia. Trust us to keep your home or business cool and comfortable.
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!