From Old Town Fairfax to the neighborhoods around George Mason University and Fair Oaks, Fairfax homes put serious demands on their heating and cooling systems. 911Air-Care helps Fairfax homeowners with fast repairs, honest replacement advice, and maintenance that keeps systems running through every Virginia season.

Heating & Cooling Services in Fairfax

Our Fairfax services cover air conditioning repair and replacement, furnaces and heat pumps, ductless mini-split systems, preventive maintenance plans, indoor air quality, and water heaters. Fairfax has everything from 1960s colonials with original duct layouts to new construction — we size and recommend systems for your actual home, explain every option in plain language, and quote clear prices before work starts.

Why Fairfax Homeowners Call 911Air-Care

Rated 4.9 out of 5 from 147 Google reviews · Herndon-based team serving all of Fairfax County · A live person answers our phone 24/7 for emergencies · Licensed and insured Virginia contractor · Free estimates on new installations. Regular office hours: Monday–Saturday, 8:00 AM–7:00 PM.

Book HVAC Service in Fairfax

Call (571) 910-9901, (703) 772-8384, or (571) 524-0276, or book online in under a minute. Wherever you are in Fairfax — near the courthouse, along Route 50, or out by Fair Oaks — 911Air-Care is ready to help.