HVAC Services in Lilburn
When your heating and cooling system breaks down at the worst possible moment, you need dependable hvac lilburn service that responds quickly. Thunder AC and Heating has spent 25 years earning the trust of Gwinnett County families and businesses who expect their comfort systems fixed properly the first time.
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Real Reviews From Your Community
Skip our testimonials – ask around Gwinnett County and you’ll discover why residents keep Thunder AC on their contact list. From middle-of-the-night emergencies to complete system overhauls, we’ve earned our standing by satisfying every customer we serve.
Your Community's Favorite HVAC Company
Keeping Gwinnett County Comfortable
We established Thunder AC and Heating after getting fed up with neighbors being let down by contractors who didn’t follow through on their commitments. For 25 continuous years, we’ve been the hvac lilburn team that arrives as promised, diagnoses your problems accurately, and completes repairs without unnecessary complications.
Whether your home’s comfort system fails during extreme weather or your business needs comprehensive HVAC services, we approach every call like our own family’s well-being depends on the outcome. Our service vehicles stay fully loaded, our technicians keep their skills current, and real people handle your calls – individuals who actually care about solving your comfort issues. This isn’t just our business approach; it’s how we’ve built lasting relationships in our community.
To be the HVAC company Gwinnett County calls first because they know we’ll get it done right.
We fix what’s broken, install what’s needed, and treat every customer like they’re our next-door neighbor.
Residental & COmmerical HVAC Services
Your malfunctioning system doesn’t care about property type – residential or commercial, it just needs expert attention, and that’s exactly what we deliver. Whether you’re a homeowner dealing with heating problems or a business owner facing system downtime, we have the experience and tools to resolve your issues fast.
Air Conditioning Installation
Air Conditioning Repair
Heating System Installation
Heating System Repair
HVAC Maintenance
Duct Cleaning & Sealing
Air Purifier
Humidifier/ Dehumidifier Installation
Smart Thermostat Installation
Energy Audits & Efficiency Upgrades
Emergency Services
Best HVAC Company Around
Why Thunder AC Beats the Competition Every Time
While other hvac lilburn contractors leave you waiting with those unrealistic “sometime today” windows, we give you specific timeframes and keep our commitments. When competitors focus on selling unnecessary extras, we concentrate on identifying your actual problem and fixing it efficiently – that’s precisely why our customers become loyal clients instead of shopping around.
Local Experts Only
Always There When You Need Us
Flexible Financing Options
5-Star Customer Ratings
Community Focused
See Our Work in Action
These photos document real work we’ve completed for genuine customers right here in Gwinnett County – not marketing photos or borrowed images. Every repair job, system installation, and service upgrade represents another family maintaining comfort or another business keeping their operations running smoothly.
What You Get Working With Us
There’s no reason to compromise between skilled craftsmanship and fair costs, or between fast response and experienced hvac lilburn professionals – Thunder AC delivers everything you need. We’ve invested 25 years fostering relationships throughout Gwinnett County because treating customers right isn’t just good for business, it’s how we operate.
full system change out! get furnance half price, no diganostic fee with purchase (Valid till Sep 2025)
Proudly Serving All of Gwinnett County
Lawrenceville
Duluth
Norcross
Lilburn
Snellville
Suwanee
Buford
Sugar Hill
Dacula
Grayson
No matter where you are in Gwinnett County — or within a 30-mile radius — we’re close enough to get to you fast when your HVAC system decides to quit. Our local knowledge means we know the neighborhoods, we know the climate challenges, and we know how to keep you comfortable year-round.