About GenerX Generators
At GenerX Generators, we do not just install generators. We deliver lasting protection for your home and your peace of mind. Founded by Mark Costis, we have proudly served Florida homeowners for over 20 years, completing more than 20,000 installations across the state. In 2023, we brought that same trusted experience to Nashville and Memphis, expanding our reach while keeping our values firmly rooted in family and service.
Powering Florida Since 1985
For over four decades, GenerX has been Florida's trusted partner for backup power solutions. What started as a small family business has grown into the largest Generac dealer in the United States, serving thousands of satisfied customers across the state.
Mark Costis Establishes GenerX
Founded with a vision to deliver lasting protection and peace of mind to Florida homeowners.
Florida Expertise
Proudly served Florida homeowners with over 20,000 installations across the state.
Tennessee Expansion
Brought trusted experience to Nashville and Memphis, expanding reach while keeping family values.
Industry Leader
Largest dedicated generator staff in Florida with unmatched in-house capabilities.
No Subcontractors. No Gaps in Quality. No Handoffs.
Faster Installations
With fewer complications
More Accountability
From start to finish
Lower Costs
By cutting out third party markups
Expert Team
Most experienced in the state
Why Choose GenerX?
We have built the largest dedicated generator staff in Florida, and we are proud to keep our team close and our standards high.
Everything In-House
From sales and permitting to installation and maintenance, every step is handled by our own expert team. No subcontractors.
20+ Years of Experience
Over 20,000 installations across Florida with trusted expertise since our founding.
Faster & More Reliable
Faster installations with fewer complications, more accountability from start to finish.
Largest Dedicated Team
We have built the largest dedicated generator staff in Florida with unmatched expertise.
1,200+ Five-Star Reviews
More Google five-star reviews than any other generator installer, with unbeatable value.
Built Different. Built Better.
What sets us apart? We do everything in house. From sales and permitting to installation and long-term maintenance, every step is handled by our own expert team. No subcontractors. No gaps in quality. No handoffs. Most generator companies outsource labor. We do not.
We have built the largest dedicated generator staff in Florida, and we are proud to keep our team close and our standards high.
Faster Installations
With fewer complications
More Accountability
From start to finish
Lower Costs
By cutting out third party markups
Most Experienced Team
Professional generator team in the state
See GenerX in Action
Watch how GenerX generators provide seamless backup power protection for your home and family.
Born in Florida. Built for Storm Season.
As a company headquartered in Florida, we know backup power like few others can. Our staff lives with the same power grid vulnerabilities, the same storm threats, and the same hurricane seasons as our customers.
With seven branches across the state, our team brings decades of hands on experience navigating outages, storm prep, and post hurricane recovery. We do not just understand the impact of severe weather. We have built our business around helping families stay safe through it.
A Family Focused Company With Unbeatable Value
At GenerX, family comes first. That includes yours. We understand how vital power is during life's most unpredictable moments, which is why we deliver fast, thorough, and affordable solutions with a level of care that makes our customers feel like family. With more than 1,200 Google five star reviews — the most of any generator installer — and pricing that beats outsourced competition, we offer something no other provider can match:
More experience. Better reviews. Faster service. All done in house at rates competitors cannot touch.
Where We Serve
GenerX proudly serves homeowners across Florida, and now brings our renowned expertise to Tennessee, covering the Nashville and Memphis metro areas. Whether you are preparing for hurricane season or protecting your family from ice storms, we have got you covered fast.
Florida
Seven branches across the state serving homeowners for over 20 years. Whether you are preparing for hurricane season, we have got you covered fast.
- • Statewide coverage with local expertise
- • Hurricane and storm preparation specialists
- • 20,000+ successful installations
Tennessee
Now serving Nashville and Memphis metro areas with the same trusted experience and family values that made us Florida's leader.
- • Nashville metro area coverage
- • Memphis metro area coverage
- • Ice storm and severe weather protection
Let's Power Up
Want to learn more about how GenerX delivers faster, smarter, and more affordable protection? Explore our generator solutions or schedule a consultation today.