Air Conditioning Repair and Maintenance

Expert Repairs for All Air Conditioning Systems

When your system fails, you need technicians who find the problem and fix it fast—period. At Wall Heating & Air Conditioning, we serve Lawrenceville homeowners with top-level repair services for central air, heat pumps, ductless systems, and more.

Our certified technicians arrive with fully stocked vans, perform thorough diagnostics using advanced tools, and explain issues clearly. Crews like David and Kris are praised for their professionalism and transparency in customer reviews. Whether it’s a refrigerant leak, compressor malfunction, thermostat issue, or airflow problem, we aim to resolve it on the first visit whenever possible.

We understand emergencies happen, which is why our after-hours support is available 24/7. One customer shared their relief when a technician arrived late at night to replace a thermostat and explain its features, truly going above and beyond.

With Wall Heating & Air Conditioning, repairs are genuine, informative, and stress-free.

Experiencing AC trouble? Reach out now for emergency repair!

Preventative Maintenance for Optimal Performance

Consistent maintenance is the cornerstone of a healthy, efficient AC system. Wall Heating & Air Conditioning offers Club Maintenance Plan members:

• Twice-yearly precision tune-ups
• Filter checks and indoor coil cleanings
• Refrigerant level inspections and system pressure tests
• Airflow and duct assessments, safety checks, and optimized thermostat settings

Our preventive measures mirror services customers have praised for extending system life, reducing breakdowns, and lowering energy bills. Annual agreements help Lawrenceville homeowners budget and secure priority scheduling.

Maintenance isn’t just about avoiding repairs—it’s about efficiency and comfort. Tune-ups can slash cooling costs, improve indoor air quality, and ensure genuine performance during the hottest months. Our certified team uses manufacturer-approved methods for consistent results.

Let us help you keep your AC system running smoothly.

Protect your system with a maintenance plan—sign up today!

Fast and Genuine Cooling System Services

At Wall Heating & Air Conditioning, fast service paired with quality workmanship is our promise. Boasting an A+ rating with the BBB since 2008 and over 1,000 positive customer reviews, our reputation reflects our dedication.

Our Lawrenceville location on Scenic Highway staffs licensed, insured technicians—like Mike Wall (President/CEO) and Karen Wall (CFO)—who lead a trained team committed to exceptional service. We serve residential and light commercial clients throughout Gwinnett County with same-day diagnostics and repair options.

We manage the full service lifecycle—from rapid dispatch on emergency calls to clear estimates, parts installation, and follow-up inspections. Customers regularly highlight our punctuality, friendliness, and thorough explanations.

Whether it’s a simple repair, precise maintenance, or emergency service, we deliver comfort support that’s fast, courteous, and genuine.

Schedule your service today and experience cooling you can count on!