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Union Mill Shell

AC & Heating Repair in Centreville, VA

A/C recharge, heater core repair, blower motor service, and climate control diagnostics.

Call (703) 802-1170

AC & Heating Repair in Centreville, VA

Stay comfortable year-round in your vehicle with expert climate control service from Union Mill Shell in Clifton, VA. Northern Virginia's humid summers and cold winters mean a properly functioning A/C and heating system isn't a luxury — it's a necessity. Our certified technicians diagnose and repair every part of your climate control system to keep your cabin at the temperature you set.

Complete A/C and Heating Services

We handle everything from A/C refrigerant recharges, compressor replacements, and condenser repairs to heater core service, blend door actuators, and blower motor replacements. Our technicians use UV dye and electronic leak detection to find refrigerant leaks that can be difficult to spot visually. Whether your A/C blows warm air on a sweltering August afternoon or your heater can't keep up during a cold snap, we'll get your system working properly.

Signs Your Climate Control Needs Attention

Many drivers tolerate a gradual decline in A/C or heating performance, assuming it's normal. It's not. If your A/C takes longer to cool the cabin, blows warm intermittently, or produces a musty smell, there's a fixable issue. On the heating side, slow warm-up times, cold air from the vents, or a foggy windshield that won't clear are all signs of a problem worth addressing before it gets worse or affects your visibility and safety.

AC & Heating Repair Near Me in Centreville

Don't suffer through another season with a broken climate system. Union Mill Shell is conveniently located inside the Colonnade at Union Mill in Clifton, serving drivers from Centreville, Chantilly, Fairfax, Fairfax Station, and across Northern Virginia. We provide honest diagnostics, clear estimates, and quality repairs backed by reliable workmanship. Schedule your A/C or heater checkup today.

What's Included

  • A/C refrigerant recharge
  • Compressor repair and replacement
  • Condenser and evaporator service
  • Heater core repair and replacement
  • Blower motor replacement
  • Blend door actuator repair
  • Refrigerant leak detection

Signs You May Need AC & Heating

  • A/C blows warm or not as cold as it used to
  • Heater blows cold air or takes a long time to warm up
  • Unusual noises when the A/C or heater is turned on
  • Musty or foul smell from the vents
  • Windshield defroster is slow or ineffective

Why Choose Union Mill Shell for AC & Heating

  • Advanced UV dye and electronic leak detection equipment
  • Full A/C and heating system diagnostics
  • Certified technicians experienced with all makes and models
  • Quality parts and workmanship you can depend on

Frequently Asked Questions

Why is my car's A/C blowing warm air?

The most common cause is low refrigerant due to a leak, but it can also be a failing compressor, a clogged condenser, or an electrical issue. Our technicians will diagnose the exact cause and provide a clear estimate before starting any work.

How often does my A/C need a recharge?

A properly sealed A/C system shouldn't need regular recharging. If your system is low on refrigerant, there's likely a leak that should be repaired. We use electronic leak detection to find and fix the source.

Can you fix my car's heater?

Yes. We repair all components of the heating system including heater cores, blend door actuators, blower motors, and coolant control valves. Heating issues often relate to the cooling system, which we also service.

Serving Clifton & Surrounding Areas

Our shop on Union Mill Road inside the Colonnade at Union Mill in Clifton, VA provides ac & heating service to drivers throughout the area, including:

CliftonCentrevilleChantillyFairfaxFairfax StationVienna

Union Mill Shell

Shop Hours

Mon, Tue, Thu, Fri: 9:00 AM – 5:30 PM
Wed: 9:00 AM – 5:00 PM
Sun: Closed

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Book This Service

Schedule online or call us directly. Walk-ins always welcome.

Call (703) 802-1170

Schedule Your AC & Heating Today

Trusted by Clifton drivers for over 25 years. Book online or call us now — walk-ins are always welcome at 5784 Union Mill Rd, Clifton, VA 20124.

Call (703) 802-1170