Air Conditioner Installation & Repair in Northern Virginia
Stay Cool & Comfortable with Energy-Efficient AC Solutions
Stay Cool & Comfortable with Energy-Efficient AC Solutions
When summer heat waves hit, you need a powerful, energy-efficient air conditioning system to keep your home cool and comfortable. If your AC unit is struggling to keep up, breaking down frequently, or driving up your energy bills, it may be time for a repair or replacement.
At R.A. Dobson, Inc., we’ve been helping Northern Virginia homeowners stay cool for 50 years with expert AC installation, repair, and maintenance services. As a family-owned company, we provide top-quality air conditioning solutions backed by industry-leading warranties and a commitment to customer satisfaction.
What We Do
Our experienced technicians are trained to service all major AC brands, ensuring that your system runs efficiently and reliably all summer long.
Why Choose R.A. Dobson, Inc.?
50 Years of Experience
Trusted in Northern Virginia since 1975
High-Efficiency Cooling Solutions
Lower energy bills, better performance
Expert Technicians
Manager-level trained professionals
Manufacturer & 1-Year Service Warranties
Peace of mind for every job
Transparent Pricing
No hidden fees, just honest, upfront quotes
Family-Owned & Customer-Focused
We treat your home like our own
Explore Our Other Services
Heating & Furnaces
Furnace repair and high-efficiency replacements.
Learn more →Heat Pumps
Energy-smart heat pump installation & repair.
Learn more →Plumbing
Drains, leaks, sump pumps & emergency plumbing.
Learn more →Water Heaters
Tank & tankless repair, replacement & install.
Learn more →Indoor Air Quality
Air purifiers, humidifiers & UV for healthier air.
Learn more →Serving All of Northern Virginia
Based in Sterling · fast response across Loudoun & Fairfax Counties.
Frequently Asked Questions
How fast can you get my AC running again?
We prioritize no-cooling calls · especially during heat waves · and often offer same-day service across Northern Virginia. Call (703) 481-3700 and we will give you a real arrival window.
Should I repair or replace my system?
If it is under 10 years old and maintained, repair is usually the smart call. Older systems, frequent breakdowns, or phased-out R-22 refrigerant tip the math toward a properly sized, high-efficiency replacement · we will walk you through both numbers honestly.
Do you service all brands?
Yes · our certified technicians repair every major make and model, and as a Carrier Factory Authorized Dealer we install the industry's most reliable equipment.
How much does it cost?
You get a clear, upfront price before any work begins · never a surprise. Estimates on installations and replacements are free: request your free quote.
Will regular maintenance really help?
Absolutely · seasonal tune-ups protect efficiency, catch small problems early, and keep manufacturer warranties valid. Ask about our Preferred Maintenance Agreements.
Ready to get started?
Fast, honest service from your local, family-owned team · since 1975.