HVAC, AC Installation & Repair in Sterling, VA
R.A. Dobson is based right here in Sterling — just off the Dulles Toll Road — and has kept local homes comfortable for over 50 years. Fast, honest heating, cooling & plumbing, often same-day.
Sterling’s local, family-owned HVAC & plumbing company
Because we are headquartered in Sterling, we know the area’s homes well — from the established communities built in the 1980s and 90s now needing full system replacements to newer builds due for their first upgrade. When an aging air conditioner or furnace is on its last leg, we help you weigh a smart repair against a properly sized, high-efficiency Carrier installation, with honest, upfront pricing and no pressure.
Neighborhoods we serve in Sterling: Sugarland Run, Countryside, Cascades, Lowes Island, Sterling Park, Great Falls Forest, Rolling Ridge and Forest Ridge, plus the communities along Route 7, the Dulles Toll Road and Algonkian Parkway.
Whether it is a new AC or heat pump installation, an emergency repair, a water heater, or a seasonal tune-up, R.A. Dobson delivers reliable work backed by our guarantee. As a Carrier Factory Authorized Dealer and your Sterling neighbor, we stand behind every job.
HVAC & plumbing services in Sterling
One local team for your whole home — heating, cooling, plumbing and indoor air quality.
Air Conditioning
AC repair, installation & tune-ups to beat NoVA summers.
Learn more →Heating & Furnaces
Furnace repair and high-efficiency replacements for cold snaps.
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 and installation.
Learn more →Indoor Air Quality
Air purifiers, humidifiers & UV for healthier air.
Learn more →Sterling HVAC & plumbing FAQs
Do you offer same-day service in Sterling?
Often, yes — because we are based in Sterling we can usually reach you fast, and we prioritize no-heat and no-cooling calls. Call (703) 481-3700 and we will let you know the soonest we can be there.
Which Sterling neighborhoods do you serve?
All of them — including Sugarland Run, Countryside, Cascades, Lowes Island, Sterling Park, Great Falls Forest, Rolling Ridge, Forest Ridge and the communities along Route 7, the Dulles Toll Road and Algonkian Parkway.
Are you licensed and insured?
Yes. R.A. Dobson is fully licensed and insured in Virginia (VA #2701017843) and is a Carrier Factory Authorized Dealer.
Do you offer free estimates?
Yes — estimates on installations and replacements are free and no-obligation. Request your free quote or call (703) 481-3700.
Repair or replace — how do you decide?
We give you honest options. If your system is newer and well-maintained, a repair is usually the smart call. If it is older, inefficient or failing often, we walk you through what a properly sized, high-efficiency replacement would save you — with zero pressure.
Ready for fast, local service?
Serving Sterling & all of Loudoun County for 50+ years. Get your free estimate today.