When the Texas grid goes down during a freeze or a summer storm, your furnace, AC, refrigerator, and lights go down with it. A whole-home standby generator from Jon Wayne turns on automatically within seconds of an outage, so you can keep medical equipment running, preserve food, and keep your home warm in winter and cool in summer. Our licensed electricians size, install, and maintain your generator from start to finish.
- Affordable Payment Plans
- 99% of jobs completed on the same day
- 5-year parts & labor warranty
High-Quality Home Generator Installations in San Antonio
When installing a home backup generator, safety, reliability, and expert knowledge matter, and that’s exactly what you get with the trusted professionals at Jon Wayne. Our licensed electricians and technicians understand every detail, from gas line requirements and local permit regulations to safe, code-compliant installation that protects your home and family.
With thousands of 5-star reviews from happy customers across Texas, our reputation is built on delivering high-quality work and exceptional service. We believe in doing things the right way, which means no hidden fees, no guesswork, and no shortcuts. Just honest, upfront pricing and a 100% satisfaction guarantee.
A standby generator is more than a convenience. It safeguards against unexpected power outages that disrupt your comfort, safety, and daily routine. Let Jon Wayne help you find the right generator for your home’s needs, and handle the installation from start to finish with professionalism and care.
Call us today or schedule online for your free, no-obligation quote — and take the first step toward power you can count on.
How Much Does It Cost to Install a Home Generator in San Antonio?
The exact cost to install a home generator depends on several factors, but you can expect it to fall into this range:
Low
$10,682
Average
$16,575
High
$36,895
What Affects the Cost?
The cost of home generator installation in San Antonio can vary, depending on key factors such as:
Electrical panel. Older or undersized panels may need an upgrade to support a whole-home system. We check your panel during the on-site assessment.
Generator power needs. If you want to run your refrigerator and HVAC system, expect lower equipment costs than if you’re going to power your entire home during an outage. We help you determine the right generator size so you don’t overspend or underspend.
Local codes and permits. Some installations, such as safety disconnects or concrete pads, may require upgrades to meet local San Antonio codes. Our team handles all the permitting and ensures your system meets local standards the first time.
Gas meter upgrades. Some homes may need a gas meter upgrade to support your generator’s fuel demands. This extra work adds to your installation cost, but Jon Wayne coordinates with your gas provider to streamline the process and avoid delays.
Transfer switch. An automatic transfer switch safely moves your home from grid power to generator power. The type and size you need affect the installation cost.
