Meet The Team
Our in-house staff of knowledgeable, dedicated professionals takes pride in providing outstanding, personalized service to our customers and our community. Call us today and become one of our many satisfied customers.
Mark Costis
President
Suzanne Ferro
Assistant to President
KJay Autullo
Chief Operating Officer
David Dumphy
Vice President of Sales
Our Team Over The Years
Always Free Estimates & Proposals
Installation, maintenance, service & repair
The Nation’s #1 Backup Generator Installer
9999+
Customers Served
19+
Years in Business
22,975+
Total Customers
Mark Costas, President
Our Promise
From the core of the engine to the automatic transfer switch, we stand by our whole home generators with one of the best warranties in the industry. Generac Generators are the largest and most reliable source for home, business, and recreational backup generators. We offer competitive sales, generator installation, and service to ensure that the quality of our guests’ experience is top-tier, no matter the nature of their standby generator needs. GenerX is proud to have been designated as Generac’s PowerPro Dealer for 6 consecutive years.
Recent Blogs
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How Generators Can Save Highlands County Residents Money in the Long Run
Read More >>: How Generators Can Save Highlands County Residents Money in the Long Run -
How Hernando County Residents Can Benefit from Whole-House Generators
Read More >>: How Hernando County Residents Can Benefit from Whole-House Generators -
Generator Maintenance Tips for Hendry County Homeowners
Read More >>: Generator Maintenance Tips for Hendry County Homeowners
Adil
“Mark Costis and the Generx team keep my whole house powered in case of city power outages. They have the greatest service and excellent products. With a full tank of propane (250 gallons) I can run my whole house for at least a week. Thanks Mark! A Generx Generator was a great investment!”
Danielle
“Irma would’ve been an even bigger nightmare without our generator–it’s officially my new favorite thing, and I’m grateful for the work you’re doing in the Tampa Bay area.”