A&B Air Conditioning and Heating provides AC repair, furnace repair, heat pump service, and HVAC installation across Springfield, Fairfax, Burke, Annandale, and Northern Virginia. Locally owned since 2015 with flat-rate pricing and no surprise fees.
AC diagnosis and repair — refrigerant leaks, capacitors, compressors, airflow, and controls. We find the actual cause before any work begins.
Learn more →Furnace, heat pump, and boiler repair — ignition, flame sensors, blowers, and controls. No-heat calls get priority, and you get a flat-rate price before any work starts.
Learn more →Heat pump repair, service, and replacement — standard, variable-speed, and ductless. Sized with a real load calculation and installed to manufacturer spec.
Learn more →New AC, furnace, and heat pump installation, sized to your home using a real load calculation and installed to manufacturer spec.
Learn more →New water heater installation — tank or tankless, gas or electric — sized to your household's hot water needs.
Learn more →Repair and service for failing water heaters — no hot water, leaks, pilot light issues, sediment buildup, and pressure problems.
Learn more →Ductwork and vent repair, boiler service, seasonal tune-ups, indoor air quality solutions, and general HVAC work. If it touches your home's heating or cooling, we handle it. We also offer a maintenance plan with a fall and spring tune-up. Not sure which category your issue falls under? Call or send a message and we'll sort it out.
Maintenance plan →We service all major makes and models — if it's not listed, just ask.
Call, text, or send a request through the form below — tell us what's going on.
We take a real look at the system on-site instead of guessing over the phone.
Flat, upfront pricing before any work starts — you decide with full information.
Repair or install done right, with everything explained along the way.
A&B has been a fixture in Northern Virginia for nearly a decade — not a name that disappears after one bad season.
We install and repair equipment from every major manufacturer — you get the right system for your home, not just one brand.
You're calling a neighborhood shop, not a national dispatch line.
You get the number before any work starts — no surprise add-ons after the job's underway.
Proudly serving Fairfax County and Arlington, with extended coverage into parts of Prince William and Loudoun counties, VA, and Montgomery County, MD.
Yes. We service and repair equipment from every major manufacturer — Carrier, Trane, Lennox, Goodman, and more. You're not limited to one brand for parts or service.
Yes. We repair gas and electric furnaces, heat pumps, and boilers from every major brand. We diagnose on site and give you a flat-rate price before any work starts. See our heating repair page for details.
We prioritize no-heat calls, especially when it's cold out. Same-day or next-day service in most cases. Call or text (571) 758-5511 and we'll let you know.
If your furnace is over 15 years old and needs a major repair, replacement usually makes more financial sense. We'll show you both options with real numbers so you can decide. Estimates on replacements are free.
Yes. We install gas and electric furnaces, heat pumps, central AC, and ductless mini-splits, each sized with a Manual J load calculation. Most installs take one to two days. See HVAC installation.
It could be a few different things — low refrigerant, a dirty condenser coil, a failing capacitor, or a thermostat issue. We do a real on-site diagnosis rather than guess over the phone, so you know exactly what's wrong before any work starts.
Most manufacturers recommend a tune-up twice a year — once before cooling season, once before heating season. Regular maintenance catches small issues early and helps keep manufacturer warranties valid.
Yes. Our maintenance plan covers a fall heating check and a spring AC check, 10% off repairs, and a written maintenance record. See our maintenance plan.
We serve Fairfax County and Arlington, and extend into parts of Prince William and Loudoun counties, VA, and Montgomery County, MD. See the full service area list above, or just give us a call to check your specific location.
We provide flat, upfront pricing before any work begins. You'll know the full cost and agree to it before we touch your system — no surprise add-ons after the fact.
Call or text us directly, or send a request and we'll get right back to you.
(571) 758-5511Mon–Fri, 8:00 AM–4:30 PM · West Springfield, VA