HVAC, Heating & AC Repair in Herndon, VA
Townhome heat pumps, single-family furnaces and everything between — diagnosed correctly, repaired honestly, minutes from our Sterling shop.
Herndon’s local HVAC, heating & plumbing company
For over 50 years, R.A. Dobson has kept Herndon homes and townhomes comfortable year-round. From the established streets of Kingstream and Chandon to the townhome communities near the Herndon–Monroe Metro and the Dulles tech corridor, our technicians service heating, cooling and plumbing throughout the area — often the same day.
Much of Herndon was built out between the 1970s and 1990s, and a large share of its townhomes run on compact heat pumps that are now well past their prime. These systems work hard in Virginia’s swing seasons, and when they fail, homeowners need a company that can diagnose a heat pump correctly — not just condemn it. We repair what’s worth repairing and replace only when the numbers truly say so.
Whether it’s a townhome heat pump, a single-family furnace, a water heater or a spring maintenance visit, R.A. Dobson handles it with upfront pricing and clean, respectful work. As a Carrier Factory Authorized Dealer, we stand behind every installation and repair.
HVAC & plumbing services in Herndon
Air Conditioning
AC repair, installation & tune-ups to beat NoVA summers.
Learn more →🔥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 →🌱 Go Green with R.A. Dobson
Heat pumps and high-efficiency Carrier systems that cut energy bills — rebates and incentives included.
See the Go Green program →Flexible financing
New system without the sticker shock — pre-qualify in minutes, no impact to credit.
Explore Financing →Herndon neighborhoods we serve
Herndon sits right next to our Sterling shop, so it’s one of the first places our trucks reach. From Old Town to the townhomes near the Silver Line, if you’re in the 20170 or 20171 ZIP codes, R.A. Dobson has you covered.
Common Herndon HVAC & plumbing needs
Old Town Herndon still has early-1900s homes and mid-century bungalows with retrofitted systems, tight mechanical closets and sometimes original ductwork. The 1970s and 80s subdivisions like Kingstream, Chandon and Fox Mill are now hitting the age where original heat pumps and furnaces need replacing, and homeowners want efficient systems that lower their bills.
Herndon’s many townhome communities and the newer homes near the Silver Line’s Herndon station bring compact heat pumps, shared mechanical walls and high-efficiency systems that reward correct sizing. Whether you own a single-family home off Elden Street or a townhome near Worldgate, R.A. Dobson services all of it — and because we’re minutes away in Sterling, no-heat and no-cool calls get answered quickly.
Herndon HVAC & plumbing FAQs
Do you offer same-day service in Herndon?
Often, yes — we prioritize no-heat and no-cooling calls and reach Herndon fast from our Sterling shop. Call (703) 481-3700 for the soonest availability.
My townhome heat pump is struggling — repair or replace?
Herndon townhomes run compact heat pumps that work hard in our swing seasons. We diagnose properly instead of condemning the unit — if a repair makes sense we’ll do it; if not, we’ll show you exactly why.
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.
How fast can you reach Herndon?
Very fast. Our shop is just up the Dulles Toll Road in Sterling, so Herndon is one of our quickest response areas for no-heat and no-cool emergencies.
Do you work on older Old Town Herndon homes?
Yes. We handle the retrofits, tight closets and original ductwork common in Old Town’s early-1900s and mid-century homes, including ductless mini-split options where adding ductwork isn’t practical.
Can you service townhome heat pumps in Herndon?
Definitely. Herndon’s townhome communities usually run compact heat pumps in tight spaces — a system type we install and repair every week.
Other areas we serve near Herndon
Ready for fast, local service?
Serving Herndon & the Dulles corridor for 50+ years. Get your free estimate today.