Install | Service | Maintenance

Whole Home Generators

Peace of mind for as low as $136*/mo

  • Turnkey Installation

  • Certified Electricians & Plumbers

  • Permitting When Required

  • Maintenance & Service After Install

Generac Home Generators in San Antonio, TX

Best Whole House Generators in San Antonio

How Standby Power Works

power is lost

Generator detects a problem

Power transferred through ATS

Electricity is automatically restored

Generac House Generator service from Generator Supercenter of San Antonio

The Standby Power People®

Why Choose Generator Supercenter of San Antonio

As a leader in whole house generators, our top-of-the-line Generac generators, along with our skilled technicians and electricians, effectively ensure that you’re never left in the dark.

The community of standby power consumers is conscientious about the safety and security of their families and businesses. At the same time, they appreciate the investment a whole house generator system brings to their property. 

Generator Installation in San Antonio, TX. Generac Dealers in San Antonio

Generator Installation Near Me

Turnkey means we do it all. From the initial consultation, the final startup, we will take care of the entire project. You can expect updates on each phase of your installation.

  • State Certified Electricians & Plumbers

  • Permitting As Required

  • Code Compliant Design and Installation

Generator Maintenance in San Antonio

Our GenMonitor gives customers control of their generator and allows them to take full advantage of their Generac home generator. For a low monthly fee, you can enjoy the reliability and convenience of our system.

  • Full maintenance with a 40 point inspection, includes transfer

  • Full time employee dedicated to your monitor

  • Certified Generac Parts

  • Manufacturer Certified Technicians

  • VIP Status with Priority Scheduling

  • Discounted rate on services



18kW - 26kW


27kW - 38kW


48kW - 80kW

Generator Engine Oil at Generator Supercenter of San Antonio
Generator maintenance, repair, and installation from Generator Supercenter of San Antonio

Generator Service in San Antonio, TX

At Generator Supercenter, we are committed to providing our customers with the highest level of convenience and generator service around. We can provide you with the specific warranty and maintenance information your home generator needs to run smoothly for years to come.

  • We Respect All Manufacturer's Warranties

  • Commercial or Residential

Generac Generators for Sale in San Antonio, TX

Explore The Most Popular Generac Generators

Backup Home Generator Service in San Antonio

Turnkey Install

Select Models In-Stock

  • Peace of mind for as low as $125*/mo

  • Security

  • Peace of Mind

  • Protect Your Family

  • Protect Your Investments

From Our Customers

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Trust Experience

As the #1 Generac dealer in North America, our focus is on building relationships. Our team consists of trained experts, from design & consultation to installation & maintenance.