AC Repair in Norcross
When your air conditioner quits on the hottest possible day, you need someone who responds and shows up immediately. For 25 years, Thunder AC and Heating has been the trusted ac repair norcross company Gwinnett County relies on to solve it right from the beginning.
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Real Reviews From Your Community
Don’t just accept our claims – our Gwinnett County customers have experiences to tell about why they keep coming back to us. From urgent repairs to complete installations, we’ve developed our reputation one satisfied client at a time.
Your Community's Favorite HVAC Company
Keeping Gwinnett County Comfortable
We created Thunder AC and Heating because we got sick of watching neighbors get cheated by contractors who wouldn’t appear or didn’t understand their job. For a quarter-century, we’ve been the ac repair norcross crew that show when we commit, assess problems honestly, and repair them correctly without hassles.
Whether it’s your home’s cooling system breaking in July or your business requiring comprehensive HVAC upgrades, we handle every project like our own family needs us. Our trucks come prepared, our technicians come qualified, and real people who genuinely care about making you comfortable pick up our phones. That’s beyond business for us – it’s how we sleep peacefully knowing we helped 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 failing AC doesn’t know if it’s in your bedroom or your boardroom – it just has to operate, and we make it happen. Whether you’re a homeowner with no cooling in summer or a business owner who can’t tolerate interruptions, we have the expertise and equipment to handle your situation swiftly.
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 ac repair norcross companies keep you waiting all day for appointments that might not happen, we offer specific arrival times and actually honor them. When they’re selling you things you don’t require, we’re focused on resolving your issue quickly and transparently – that’s why our customers return to us rather than searching 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 aren’t rehearsed photos or template pictures – this shows actual projects we’ve finished for real clients right here in Gwinnett County. Every installation, repair job, and system modernization you see represents another family remaining comfortable or another business keeping their customers happy.
What You Get Working With Us
You shouldn’t be forced to choose between quality craftsmanship and fair pricing, or between speedy service and experienced technicians – with Thunder AC, you get everything together. We’ve dedicated 25 years building connections in Gwinnett County because we understand doing well by our customers is just good sense.
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.