AC Repair in the Greater Manassas VA Area
Need AC repair now? Our licensed HVAC masters diagnose and fix cooling issues fast with upfront pricing. Appleton Campbell has served local homeowners since 1976 with tidy, friendly service and craftsmanship you can trust. We’re proud of our 4.9 rating from 6,415 reviews. Serving the Greater Manassas area, including Ashburn and Fredericksburg. Call or book online today and get your home comfortable again.
Each image is a real worksite photo, reflecting the quality and dedication in every project.
Why Choose Us
Why Homeowners Recommend Us
"Fast, responsive, very knowledgeable, and reliable."
"Timely, thorough, professional and courteous. Pricing was fair."
"Reliable, honest, and a fair price. Excellent repair and coil cleaning."
Answers to Common Questions
View All FAQsWhy Is My Air Conditioner Running But Not Cooling Properly?
An AC that runs but isn’t cooling usually needs a targeted fix, such as resolving uneven temperatures or a leak. Appleton Campbell performs thorough diagnostics and repairs to restore cooling. We handle AC repair, maintenance, and ductless systems, and provide upfront pricing before work begins. If repeat failures point to replacement, we’ll explain pros and cons and offer a free estimate for a new system. Ask about our $49 AC Safety Inspection and MVP membership for 15% off service repairs.
<br/> Updated: 2025-12-24 00:00:00 <br/>Need help in Ashburn, VA? Call (540) 402-1789 or book online.
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Intermittent warm air usually means airflow, thermostat, or refrigerant issues. Do a few quick checks first, then schedule AC repair so we can diagnose and fix the source. We service Ashburn and Warrenton with upfront pricing and fast, tidy technicians. Ask about our $49 AC Safety Inspection. If replacement is the better call, we provide free estimates. MVP members save 15% on service repairs and receive priority dispatch.
- Set thermostat to Cool, 68–72 F, Fan Auto.
- Replace a dirty filter.
- Clear 2–3 ft around the outdoor unit.
- Check the AC breaker.
- If you see ice or leaks, turn it off and call.
Need help in Ashburn, VA? Call (540) 402-1789 or book online.
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The most common AC repair issue homeowners face is a dirty or clogged air filter that restricts airflow. A blocked filter makes the system run longer, raises energy use, and can even trigger frozen evaporator coils or nuisance breaker trips. We also service full-system diagnostics and repairs for homes in the Culpeper area with clear, upfront estimates. A simple technician rule of thumb: if you can’t see light through the filter, your AC can’t breathe through it either. Start by replacing the filter; if cooling does not improve, a professional check is the next step.
Watch for signs it’s more than a filter:
- Thermostat malfunctions causing incorrect temperatures
- Refrigerant leaks reducing cooling capacity
- Clogged condensate drain lines leading to water around the air handler
Turn off the system if you see ice on the indoor lines or water near the unit and schedule service promptly. <br/> Updated: 2026-06-08 <br/> Need help in Culpeper, VA? Call (540) 205-3447 or book online. "Jake was very professional, friendly and fixed my air conditioner very quickly. He is a great tech." — Angela R.
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AC compressor replacement cost for homeowners is confirmed after an on-site diagnosis because the exact parts, labor time, and system setup drive the final price. The most common cost swing comes from system size and refrigerant type, which determine the specific compressor and required handling steps.
We handle these replacements routinely for homeowners near Centreville with upfront pricing once we verify the failure and any related damage. A tech will also weigh repair vs replace when a compressor is out of warranty or when age and efficiency make a new system the smarter spend.
If we find a failed compressor, typical price drivers include:
- Tonnage and matching compressor model
- Refrigerant type and recovery/charging needs
- Accessibility and time to evacuate, flush, and install
- Added parts (filter-drier, contactor) or cleanup from burnout
MVP members receive 15% savings on HVAC repairs. Always have a technician confirm the root cause so you don’t replace a compressor for a fixable control issue. <br/> Updated: 2026-04-26 <br/> Need help in Centreville, VA? Call (540) 402-1789 or book online.
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Helpful Tips & Maintenance Advice
View All BlogsUpgrade Your Woodbridge AC Unit: Get Summer-Ready Now
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As we approach the sweltering summer months, ensuring your air conditioning system is up to par is crucial for comfort and efficiency. For homeowners in Woodbridge, there's no better time to consider upgrading your AC unit to brace for the inevitable heat. With Appl...
Maximize Fredericksburg Comfort with Reliable AC Inspections
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Maximize Energy Efficiency: Centreville AC Maintenance
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Service Areas We Cover
What areas do you serve for ac repair?
We serve the Greater Manassas area, including marquee cities like Manassas, Ashburn, and Fredericksburg. See the full city list below for complete coverage.

