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2024

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Best AC Repair Services in Fairfax, VA

Our Recommended Top 7

We did the research for you!

  • Licensing
  • User Reviews
  • Mystery Shopping Calls

Our goal is to connect people with the best local professionals. We scored Fairfax AC Repair Services on more than 25 variables across five categories, and analyzed the results to give you a hand-picked list of the best.

12Reviewed

10Curated

7Top Picks

Learn about our selection process.

Providers

featured provider = Featured Provider

Chantilly, VA 20152

Expertise.com Rating

Review Sources

HomeAdvisor
5.0 (55)
Yelp
4.0 (41)

Why choose this provider?

Mannix Heating & Cooling provides residential and commercial properties with HVAC services in Fairfax. Experienced technicians offer a comprehensive range of services, including installation, upgrades, seasonal maintenance, and timely repair of air conditioners and heating systems. The company also provides electrical services, including repairs and upgrades of electrical panels or generator installations. Mannix Heating & Cooling provides 24/7 emergency services and is a factory authorized dealer of Carrier HVAC systems.

8394 Terminal Rd Ste J, Lorton, VA 22079

Expertise.com Rating

Review Sources

Google
4.7 (962)
Angi
4.7 (577)
Yelp
3.0 (54)

Why choose this provider?

Dwyer Plumbing, Heating & Air has offered a range of air conditioner services in Fairfax and the surrounding areas since 1922. It's an HVAC, plumbing, and gas fitting service company for residential, commercial, and government customers. The family owned and operated company is a Class A licensed and insured business that focuses on the repair, maintenance, and installation of air conditioners, boilers, furnaces, sewers, drains, water heaters, and faucets. 24/7 emergency services are available, and the technicians are experienced in most models of HVAC equipment.

Centreville, VA 20120

Expertise.com Rating

Review Sources

Google
4.9 (54)
Yelp
4.5 (11)

Why choose this provider?

Levanair Heating & Air Conditioning is a local, family-owned business providing HVAC services to residential and commercial clients in Fairfax and the adjoining neighborhoods. Services include repair, installation, and maintenance of air conditioners and heating systems. The team also works on indoor air quality improvement and provides numerous duct services, including inspections and cleaning. Products available include Bryant HVAC systems, humidifiers, UV lamps, air filtering devices, and thermostats. The technicians are factory trained to ensure they have a deep understanding of all the HVAC units they service. Emergency services are available 24/7.

Sterling, VA 20166

Expertise.com Rating

Review Sources

Yelp
4.5 (100)
Facebook
4.7 (21)
HomeAdvisor
4.5 (14)

Why choose this provider?

AllTech Services Inc. is a full-service company that has been offering a full range of HVAC, plumbing, indoor air quality, and commercial services throughout Fairfax and Ashburn for over a decade. One of its core services is air conditioning repair and installation, and the team is vastly experienced in servicing many models and brands of AC systems. The technicians are licensed, bonded, and fully qualified to perform residential and commercial replacements or installations of plumbing and HVAC products. Maintenance programs and financing options are also available. Clients can call for estimates or request an appointment.

Clifton, VA 20124

Expertise.com Rating

Review Sources

HomeAdvisor
4.7 (705)
Angi
4.9 (10)

Why choose this provider?

Ambience HVAC LLC is a company of air conditioner installers near Fairfax that focuses on heating, cooling, and air filtration system installations and repairs for residential and light commercial properties. The company sells, fits, and services different makes and models of air conditioners to help clients achieve their desired home comfort. Ambience HVAC LLC is also experienced in handling furnaces, heat pumps, water heaters, central air cleaners, and humidifiers, and the technicians are available 24/7 for emergencies. Clients can call for free estimates or details about the company's warranties.

Lorton, VA 22079

Expertise.com Rating

Review Sources

Yelp
2.9 (212)
HomeAdvisor
5.0 (173)
Facebook
4.0 (45)

Why choose this provider?

McCarthy Home Services is an HVAC service provider focusing on air conditioner repair near Fairfax and the surrounding areas. The company leverages over two decades of experience to provide professional heating, air conditioning, and plumbing services to residential clients. The technicians are licensed and follow a strong team and family-oriented approach. McCarthy Services is committed to providing convenient scheduling, emergency service, and experienced technicians, as well as quality replacement parts and fixtures from the highest-quality brands, including Trane, Carrier, and York. Clients can schedule an appointment online or call for service and parts estimates.

Sterling, VA 20164

Expertise.com Rating

Why choose this provider?

Dave's Heating & Air Conditioning is a family-owned company that has assisted homeowners with professional air conditioner services since 1975. Its trained technicians handle the installation process from start to finish, including helping customers select the right A/C unit for their homes. Technicians also provide full-service air conditioning repairs. They have experience working with all major makes and models. Dave's Heating & Air Conditioning also offers comprehensive maintenance plans to improve A/C performance and reduce the risk of breakdowns. Additionally, the company repairs and installs furnaces and water heaters. Emergency services are available 24/7.

Compare our Top AC Repair Services

NameExpertise RatingAddressPromotionsLearn more
Mannix Heating & Cooling
Chantilly, VA 20152
Dwyer Plumbing, Heating & Air
8394 Terminal Rd Ste J, Lorton, VA 22079
Levanair Heating and Air Conditioning
Centreville, VA 20120
All Tech Services, Inc.
Sterling, VA 20166
Ambience HVAC, LLC
Clifton, VA 20124
McCarthy Services
Lorton, VA 22079
Dave’s Heating and Air Conditioning
Sterling, VA 20164

FAQs

  • How does air conditioning work?

    Residential and commercial air conditioning systems use pressurized refrigerant to remove excess heat and humidity. The refrigerant passes through a network of coils and valves that allow the coolant to absorb and release heat as it changes between its gas and liquid forms. Primary components include the evaporator and condenser coils, compressor, expansion valve, and fans.


  • How do I decide whether to repair or replace my AC?

    As a rule of thumb, replacement is recommended when repairs would exceed half the cost of a new system. Age, efficiency, and reliability are also deciding factors. Replacement is typically the best option for HVAC systems that are more than 10 years old and have problems with frequent breakdowns, decreased output, increased runtimes, excessive noise, or rising energy use. Alternatively, homeowners can multiply the age of the system by the estimated cost of repairs. If the amount exceeds $5,000, replacement is typically the best solution.

  • Can you repair an AC compressor?

    Compressor malfunctions are typically caused by faulty electrical connections, defective capacitors, and improper refrigerant levels that affect the system's operating pressure. Before calling a professional, homeowners can replace the air filter, double-check the thermostat settings, and hose off the outdoor unit to rule out minor maintenance-related problems. If these steps don't resolve the issue, the compressor may need to be replaced. Unfortunately, compressors aren't just one of the most critical components of the air conditioning system, they're also one of the most expensive. If the unit can't be repaired, a licensed HVAC contractor can determine whether a partial or full replacement is the best option.


  • How do I repair an air conditioning duct?

    Air ducts are responsible for a large portion of HVAC-related energy losses. According to the U.S. Environmental Protection Agency’s Energy Star program, 30% of heated and cooled air escapes from the ducts before it reaches its final destination. Some of the most common warning signs include hot and cold spots, odors, and low or no airflow. Loose ducts can be reconnected, and small cracks can be sealed with metallic foil tape. If the ducts are damaged, contaminated, or collapsed, it is usually time to call a professional. Trained AC technicians can also determine if the supply and return ducts are properly sized.


  • Does home insurance cover AC repairs?

    Homeowners’ insurance covers the cost of AC breakdowns caused by fire, lightning strikes, vandalism, or theft. To qualify for coverage, the homeowner must notify the insurance carrier of the loss and provide a report from a licensed contractor. Then, an insurance adjuster will evaluate the claim. Unfortunately, insurance coverage may only pay a limited amount, especially if the homeowner has a high-deductible policy.

  • How long does a new AC last?

    The average AC system has an expected lifespan of 14 years. Longevity can vary substantially depending on the unit's maintenance history and building-related factors that determine how often the system runs. Homeowners can extend the life of their HVAC equipment by scheduling annual maintenance, replacing filters monthly, and using recommended thermostat settings.

  • How do I maintain my AC to avoid needing repairs?

    Preventive AC maintenance is the key to increased longevity. Here are a few of the most beneficial tasks that homeowners can perform themselves.

    • Replacing air filters monthly
    • Using recommended thermostat settings
    • Keeping shades or blinds closed during the summer
    • Hosing off the outdoor coils to remove pollen and dirt
    • Monitoring utility bills for changes in consumption
    • Scheduling professional tune-ups every spring

    If problems arise, it's wise to contact a professional as soon as possible to avoid more extensive repairs. Responding quickly is the best way to prevent sudden breakdowns that may require a more expensive emergency service call.


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