Logo of HVAC Firms
HVAC technician on ladder repairing a wall-mounted air conditioner with tools and headlamp indoors.

Find the Best AC Repair Contractors for Your Business

No obligation • Fast responses • Nationwide coverage

Search providers near you

Top AC Repair Contractors in Winston Salem, North Carolina Ranked

When your air conditioner falters in the middle of a Winston-Salem summer, finding a reliable solution quickly becomes a top priority. Air conditioning repair is the specialized service that restores comfort and efficiency to your home or business by diagnosing and fixing cooling system failures. In our warm, humid climate, a functional AC isn't just a luxury-it's essential for maintaining a healthy, comfortable indoor environment. This guide helps you understand common problems, typical repair processes, and what to look for when seeking a qualified professional to service your system.

K & V Heating & Air Conditioning

K & V Heating & Air Conditioning

304 NC-67, East Bend, NC 27018

K & V Heating & Air Conditioning has been serving Winston Salem, NC, and the surrounding East Bend area for over 20 years. This family- and veteran-owned company offers a full range of HVAC services including installation, repair, and maintenance of air conditioners, furnaces, and heat pumps. They are certified dealers for Trane®, Coleman®, Bosch®, and Amana® equipment and provide custom metal duct fabrication with insulation options. With over 30 years of industry experience, K & V Heating & Air Conditioning also offers indoor air quality products such as humidifiers and air purifiers. Their services include 24-hour emergency support and yearly preventative maintenance plans to maintain system efficiency.

5.0
906 Reviews
Dinomite Heating and Cooling

Dinomite Heating and Cooling

1023 E Mountain St Unit 103, Kernersville, NC 27284

Dinomite Heating and Cooling is a family-owned HVAC company serving Winston Salem, NC, and the greater Piedmont Triad metro area. They offer a range of services including air conditioning, furnace, heat pump, and mini split installation and repair, as well as indoor air quality solutions. The company is recognized for its commitment to customer care and has received the Bryant Medal of Excellence Award for 2025. Dinomite also provides commercial HVAC maintenance and specializes in gas log and gas line installations. Their Dinamic Maintenance Plan focuses on seasonal upkeep to extend equipment life and improve efficiency.

5.0
426 Reviews
Comfort Control Systems NC

Comfort Control Systems NC

234 S Main St, King, NC 27021

Comfort Control Systems NC is an HVAC company based in Winston Salem, NC, offering a range of heating, cooling, and air quality services. They provide HVAC installation, repair, maintenance, and duct cleaning for both residential and commercial clients. The company emphasizes individualized comfort solutions and thorough consultations to help customers select the right system for their needs. Comfort Control Systems NC also offers emergency HVAC services and recently expanded to include plumbing and electrical work. Serving Winston Salem and surrounding communities, Comfort Control Systems NC is equipped to handle routine maintenance and emergency repairs to keep HVAC systems running efficiently. Their services include air conditioning repair and indoor air quality improvements. The company operates from King, NC, and is committed to ensuring optimal indoor comfort and air quality year-round.

5.0
397 Reviews
Southern Homes Heating & Air, LLC

Southern Homes Heating & Air, LLC

8500 Ellisboro Rd Suite J, Stokesdale, NC 27357

Southern Homes Heating & Air, LLC is a family-owned HVAC company serving Greensboro, NC. They specialize in residential heating, air conditioning, indoor air quality services, and HVAC installation and repairs. With over 30 years of industry experience, the company offers comprehensive HVAC maintenance, replacements, and tune-ups. Southern Homes Heating & Air provides 24/7 emergency service to address urgent repair needs promptly.

5.0
347 Reviews
Go-Forth HVAC Plumbing and Electrical

Go-Forth HVAC Plumbing and Electrical

4260 Piedmont Pkwy Suite 100, Greensboro, NC 27410

Go-Forth HVAC Plumbing and Electrical is a family-owned business serving Greensboro, NC, and surrounding areas in Guilford County. With over 60 years of experience, they provide a full range of HVAC services including installation, repair, maintenance, and indoor air quality solutions such as duct cleaning and air purification. Their certified technicians offer 24/7 emergency repair services to keep homes and businesses comfortable year-round. The company emphasizes regular HVAC maintenance to improve energy efficiency, extend equipment lifespan, and enhance indoor air quality.

5.0
289 Reviews
See more providers in Winston Salem, NC

Common Air Conditioning Problems in Winston-Salem

The first sign of trouble with your cooling system often manifests in specific ways. Recognizing these symptoms can help you communicate the issue more effectively to a technician.

  • Warm Air or Poor Cooling: This is one of the most frequent complaints. It can stem from simple issues like a dirty air filter restricting airflow, or more complex problems like low refrigerant levels due to a leak. Blocked condenser coils or malfunctioning fans can also prevent your unit from cooling your home effectively.
  • Strange Noises: Your AC should run relatively quietly. Unusual sounds are a clear distress signal. A whining noise might point to a failing fan motor, while grinding could indicate serious compressor issues. Banging or rattling often suggests loose or broken parts within the unit.
  • Unusual Smells: Foul odors emanating from your vents are not to be ignored. A musty smell typically signals mold or mildew growth on the evaporator coil or in the ductwork, a common issue in humid climates. A burning smell could indicate an electrical problem, which requires immediate attention.
  • Unit Won't Turn On: If your AC is completely unresponsive, start by checking your home's circuit breaker and the thermostat settings. If power isn't the issue, the problem could lie with the thermostat itself, a faulty capacitor, or internal wiring failures.
  • Excess Indoor Humidity: A properly functioning air conditioner dehumidifies the air as it cools. If your home feels sticky and damp even when the AC is running, it often means the system isn't cycling correctly or there's an issue with its capacity to remove moisture 1.

The Air Conditioner Repair Process: What to Expect

Understanding what happens during a service call can demystify the process and set clear expectations. A thorough repair follows a logical sequence, from diagnosis to resolution.

1. Initial Assessment and Diagnostics A professional technician will start by discussing the symptoms you've observed. They will then perform a series of checks:

  • Visual Inspection: Examining the outdoor condenser unit for obstructions, cleaning visible debris from coils, and looking for signs of ice or oil leaks.
  • System Testing: This is the core of the diagnosis. Using specialized tools, the tech will check refrigerant pressure and levels, test electrical connections and components like capacitors and contactors, measure airflow from your vents, and listen carefully to the operation of the compressor and fans 2 3.

2. Repair and Resolution Once the issue is pinpointed, the technician will explain the necessary repairs and provide an estimate. Common fixes include:

  • Clearing blockages in the condensate drain line to prevent water damage.
  • Sealing refrigerant leaks (a task that requires EPA certification) and recharging the system to the correct level 4.
  • Replacing failed mechanical parts like fan motors, capacitors, or contactors.
  • Addressing major component failures, such as a compromised compressor, which is a more extensive repair 5.

3. Post-Repair Verification A reputable professional will test the entire system after repairs are complete to ensure it is operating safely, efficiently, and effectively cooling your home.

Find the perfect ac repair contractors for your needs

Get personalized recommendations and expert advice

Understanding Air Conditioning Service Costs

Repair costs can vary widely based on the complexity of the job, the parts required, and the time of year. Most companies charge a diagnostic or service fee for the initial visit and assessment, which typically ranges from $75 to $150 and is sometimes waived if you proceed with the repair.

  • Minor Repairs: Simple fixes like replacing a clogged air filter, a blown fuse, or a faulty capacitor often fall in the range of $100 to $300.
  • Moderate Repairs: Addressing a refrigerant leak and recharge or replacing a fan motor are more involved, with costs commonly between $200 and $600 or more, depending on the type and amount of refrigerant needed 6.
  • Major Repairs: Replacing central components like the compressor or the evaporator coil are significant investments, typically ranging from $500 to over $1,500, as they involve considerable labor and expensive parts 7 8.
  • Preventive Maintenance: An annual tune-up, which includes cleaning, inspection, and adjustment of key components, is a proactive investment. These services generally cost between $100 and $250 and can help prevent costly, unexpected breakdowns 9 10.

Choosing a Service Provider in Winston-Salem

With several options available, selecting the right technician is crucial. Look for companies that are licensed, insured, and have positive, verifiable customer reviews. Inquire about their response times for emergency service, as some local providers offer same-day or rapid response options. A trustworthy technician will provide a clear, written estimate before beginning any work beyond the diagnostic check and will be willing to explain the problem and the proposed solution in terms you can understand.

The Importance of Timely AC Repairs

Postponing necessary air conditioner repairs in a climate like Winston-Salem's can lead to a cascade of problems. A minor refrigerant leak can cause the compressor to overwork and fail, turning a few-hundred-dollar repair into a multi-thousand-dollar replacement. Reduced efficiency from a dirty system or failing component will also lead to significantly higher monthly energy bills. Addressing issues promptly ensures your comfort, protects your investment in your HVAC system, and maintains healthy indoor air quality.

Frequently asked questions

Sources

Footnotes

  1. Common Air Conditioner Problems | Department of Energy - https://www.energy.gov/energysaver/common-air-conditioner-problems

  2. AC Diagnostic Service Guide for 2025 - AirWorks Solutions - https://airworkssolutions.com/blog/ac-diagnostic-service

  3. Troubleshooting Common Split System AC Problems - Style Crest - https://stylecrestinc.com/blog/troubleshooting-common-split-system-ac-problems/

  4. HVAC Troubleshooting Guide: Step-by-Step Solutions Made Easy - https://projecthvac.com/2026/01/07/hvac-troubleshooting-guide-step-by-step/

  5. AC Troubleshooting Guide | Easy Fixes for Common Problems - https://wolfgangscooling.com/resources/ac-troubleshooting/

  6. AC Repair | Winston-Salem, NC - Blaze Air - https://blazeair.com/triad/cooling-services/ac-repair/

  7. AC Repair Costs in Mobile, AL | What to Expect - https://keithair.com/blog/how-much-does-air-conditioning-repair-in-mobile-alabama-cost/

  8. How Much Does an Air Conditioning Repair Cost? - https://williamscomfortair.com/knowledge-center/how-much-does-an-air-conditioning-repair-cost/

  9. AC Maintenance | Winston-Salem - https://qrc123.com/residential-heating-and-cooling/air-conditioning-service/air-conditioning-maintenance/

  10. TOP 10 BEST A/C Repair in Winston-Salem, NC - Yelp - https://m.yelp.com/search?find_desc=A%2Fc+Repair&find_loc=Winston-Salem%2C+NC