AC Replacement in Duluth
When your old cooling system finally gives up during Georgia’s brutal summer months, you need reliable ac replacement duluth service that gets the job done fast. Thunder AC and Heating has invested 25 years becoming the dependable choice for Gwinnett County property owners who need their new systems working right from day one.
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Real Reviews From Your Community
Forget the sales talk – check with your Gwinnett County neighbors about why they keep Thunder AC’s number handy. From urgent system replacements to planned upgrades, we’ve built our solid reputation by delivering results for every customer we serve.
Your Community's Favorite HVAC Company
Keeping Gwinnett County Comfortable
Thunder AC and Heating exists because we were frustrated seeing local residents get stuck with contractors who promised big and delivered little. For 25 straight years, we’ve been the ac replacement duluth company that shows up when scheduled, evaluates your situation truthfully, and gets your new system running without the typical contractor headaches.
When your family’s comfort is at stake – whether it’s residential AC dying in peak heat or commercial systems failing when you can’t afford downtime – we handle every replacement like our own comfort depends on it. Our vehicles come equipped with quality equipment, our team maintains current expertise, and actual people take your calls – folks who genuinely want to restore your comfort quickly. This isn’t marketing speak; it’s simply how we’ve always served this 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 broken cooling doesn’t distinguish between your living space and your workspace – it just needs professional replacement, and we make that happen efficiently. Whether you’re a homeowner facing system failure or a business owner who needs reliable climate control, we bring the right skills and equipment to get your replacement done correctly.
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 replacement duluth services keep you guessing with those impossible “anytime today” appointment slots, we provide realistic arrival times and actually honor them. When they’re busy pushing expensive add-ons, we concentrate on understanding your real needs and providing the right replacement solution – which is exactly why our customers stick with us year after year.
Local Experts Only
Always There When You Need Us
Flexible Financing Options
5-Star Customer Ratings
Community Focused
See Our Work in Action
What you see here represents genuine replacement work we’ve performed for actual customers throughout Gwinnett County – no staged photography or generic stock images. Every system replacement, unit upgrade, and installation project represents another household enjoying reliable cooling or another business maintaining optimal operations.
What You Get Working With Us
You shouldn’t have to pick between expert installation and affordable pricing, or between prompt service and qualified ac replacement duluth specialists – Thunder AC provides the complete solution. We’ve dedicated 25 years to building trust within Gwinnett County because putting customers first isn’t just smart business, it’s simply our way.
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.