Top-rated generator installers.

Get matched with top generator installers in San Antonio, TX

There are 6 highly-rated local generator installers.

Generator installers in San Antonio

Team Enoch HVAC
8940 Creek Run Road
4.99(
114
)
Team Enoch HVAC
8940 Creek Run Road
4.99(
114
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We provide electrical, plumbing, HVAC, and roofing services to all residential and commercial customers across the Dallas, Fort Worth, Austin, San Antonio and Houston areas. Electrical services include, but are not limited to: electrical panel replacements, service upgrades, sub panel installs, generator installs, electric car-charging installs, house rewiring, electrical inspections, troubleshooting, repairing, replacing, or installing light fixtures, outlets, switches, circuits, breakers, GFCI outlets, disconnect boxes, and more. Plumbing services include, but are not limited to: slab leak repair, water heater replacement, tankless water heater installs, toilet replacements, unclog drains, double clean out installs, plumbing pipe repairs, faucet replacements, gas line repairs, cast iron pipe replacements, and more. HVAC services include, but are not limited to: HVAC diagnostic, heating tune-up, cooling tune-up, thermostat installation, heat pump repair or replacement, gas furnace repair or replacement, air conditioner repair or replacement, full system replacements and installs, duct cleaning, duct repair, duct replacement, mini split installation and RTU installs. Roofing services include, but are not limited to: roofing inspections, roofing replacements, and roofing repairs. We also include great membership packages that include all over our services!

"Great - very good work at a reasonable price *This review was migrated from an affiliated account on Angi with an original submission date of 9/28/2017."

Diane D on February 2025

We provide electrical, plumbing, HVAC, and roofing services to all residential and commercial customers across the Dallas, Fort Worth, Austin, San Antonio and Houston areas. Electrical services include, but are not limited to: electrical panel replacements, service upgrades, sub panel installs, generator installs, electric car-charging installs, house rewiring, electrical inspections, troubleshooting, repairing, replacing, or installing light fixtures, outlets, switches, circuits, breakers, GFCI outlets, disconnect boxes, and more. Plumbing services include, but are not limited to: slab leak repair, water heater replacement, tankless water heater installs, toilet replacements, unclog drains, double clean out installs, plumbing pipe repairs, faucet replacements, gas line repairs, cast iron pipe replacements, and more. HVAC services include, but are not limited to: HVAC diagnostic, heating tune-up, cooling tune-up, thermostat installation, heat pump repair or replacement, gas furnace repair or replacement, air conditioner repair or replacement, full system replacements and installs, duct cleaning, duct repair, duct replacement, mini split installation and RTU installs. Roofing services include, but are not limited to: roofing inspections, roofing replacements, and roofing repairs. We also include great membership packages that include all over our services!

"Great - very good work at a reasonable price *This review was migrated from an affiliated account on Angi with an original submission date of 9/28/2017."

Diane D on February 2025


I.M. Electric
No reviews
I.M. Electric
No reviews

I.M. Electric is a small business that specializes with electrical home improvement from just switching out a plug to wiring entire addition and homes. We Troubleshoot, add circuits, plugs, switches, change out electrical panels, add recessed lighting, replace ceiling fans, and much more. We will always look for a solution to your problem or give you a idea to your electrical needs. Doing it the Bright way.

I.M. Electric is a small business that specializes with electrical home improvement from just switching out a plug to wiring entire addition and homes. We Troubleshoot, add circuits, plugs, switches, change out electrical panels, add recessed lighting, replace ceiling fans, and much more. We will always look for a solution to your problem or give you a idea to your electrical needs. Doing it the Bright way.


Ware Electric, LLC
11105 Forest Crown
5.00(
8
)
Ware Electric, LLC
11105 Forest Crown
5.00(
8
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Ware Electric, LLC provides General and Specific Electrical Services, Lighting, Power, Plugs, Switches, Electrical Vehicle Chargers, Generators, Hot Tubs, Spas, Panel Upgrades, Grounding and Bonding, Ground Rods, Electrical Inspections, Outside Lighting, Door Bells,

"Installed new light fixtures around the house. Reasonable prices and quick service. Professional and friendly very happy."

Scott T on April 2023

Ware Electric, LLC provides General and Specific Electrical Services, Lighting, Power, Plugs, Switches, Electrical Vehicle Chargers, Generators, Hot Tubs, Spas, Panel Upgrades, Grounding and Bonding, Ground Rods, Electrical Inspections, Outside Lighting, Door Bells,

"Installed new light fixtures around the house. Reasonable prices and quick service. Professional and friendly very happy."

Scott T on April 2023


NK Electric, LLC
5.00(
3
)
NK Electric, LLC
5.00(
3
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today!

"Good experience with this company. The owner of NK Electric was frequently on site, to ensure that quality work was done according to agreement. The re-wire completion job on our 110yr old house was finished in a week. They were knowledgeable, they arrived promptly, and they cleaned up after the work was done. Overall: highly recommended."

Kenneth L on October 2022

Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today!

"Good experience with this company. The owner of NK Electric was frequently on site, to ensure that quality work was done according to agreement. The re-wire completion job on our 110yr old house was finished in a week. They were knowledgeable, they arrived promptly, and they cleaned up after the work was done. Overall: highly recommended."

Kenneth L on October 2022


Dunn Honest Electric
7514 Dream Valley Street
5.00(
12
)
Dunn Honest Electric
7514 Dream Valley Street
5.00(
12
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

My name is Stetson Dunn, my company name is Dunn Honest Electric I am experienced in electrical renovations, panel rejuvenation, receptacle/switch installations and trouble shooting. I can install portable back up generator to your exterior main panel. I am a licensed and insured electrician, and have been in the trade for 10 plus years. I thoroughly enjoy what I do, I look forward to developing a relationship with all my customers

"Job went well. Work completed on time and well done."

Mark D on September 2024

My name is Stetson Dunn, my company name is Dunn Honest Electric I am experienced in electrical renovations, panel rejuvenation, receptacle/switch installations and trouble shooting. I can install portable back up generator to your exterior main panel. I am a licensed and insured electrician, and have been in the trade for 10 plus years. I thoroughly enjoy what I do, I look forward to developing a relationship with all my customers

"Job went well. Work completed on time and well done."

Mark D on September 2024


Firefly Electric Service
9106 Ingram Road
5.00(
5
)
Firefly Electric Service
9106 Ingram Road
5.00(
5
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We specialize in electrical services, repairs, installs, lighting, generators, panel upgrades, ceiling fans, and more! We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today!

"Philip was a pleasure to work with. He quickly gave us a quote and installed the light all at once. He also gave us a safety evaluation of our electrical panel. Great service."

Michelle H on November 2022

We specialize in electrical services, repairs, installs, lighting, generators, panel upgrades, ceiling fans, and more! We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today!

"Philip was a pleasure to work with. He quickly gave us a quote and installed the light all at once. He also gave us a safety evaluation of our electrical panel. Great service."

Michelle H on November 2022


S & A services
Westover Hills Boulevard
No reviews
S & A services
Westover Hills Boulevard
No reviews
Free onsite estimate

(2) Used 2011 MAGNUM MLT3060 Mobile Light Tower, 6kW Diesel Generator, (4) Lamps with approximately 1,000 total watts. Hour meter current at time of listing. Hours are subject to change.

(2) Used 2011 MAGNUM MLT3060 Mobile Light Tower, 6kW Diesel Generator, (4) Lamps with approximately 1,000 total watts. Hour meter current at time of listing. Hours are subject to change.


Garza electrical
1111 Austin Hwy
No reviews
Garza electrical
1111 Austin Hwy
No reviews

Licensed electrician over 25 years of experience. Working with home owners and contractors in San Antonio and surrounding cities since 1990. No job is too small or to big specializing in lighting and everything and anything electrical in residential homes.

Licensed electrician over 25 years of experience. Working with home owners and contractors in San Antonio and surrounding cities since 1990. No job is too small or to big specializing in lighting and everything and anything electrical in residential homes.


Brothers Electric Inc.
6563 Babcock Rd
5.00(
9
)
Brothers Electric Inc.
6563 Babcock Rd
5.00(
9
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Electrical Contractor and Service Company dedicated to providing superior Workmanship and Customer Satisfaction. We are Small enough to give you the undivided Attention necessary, with no task to big for us to handle. We follow and adhere to CDC Protocols regarding Covid19 and PPE.

"Job completed in a timely fashion."

Roderick T on July 2023

Electrical Contractor and Service Company dedicated to providing superior Workmanship and Customer Satisfaction. We are Small enough to give you the undivided Attention necessary, with no task to big for us to handle. We follow and adhere to CDC Protocols regarding Covid19 and PPE.

"Job completed in a timely fashion."

Roderick T on July 2023


Texas Best Electric
4527 Wrangler Run
5.00(
2
)
Texas Best Electric
4527 Wrangler Run
5.00(
2
)
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Texas Best Electric specializes in industrial, commercial and residential we values our customers and answer calls in a timely manner and guarantee customer satisfaction.

"ceiling fan install and light fixtures"

Paulo G on September 2020

Texas Best Electric specializes in industrial, commercial and residential we values our customers and answer calls in a timely manner and guarantee customer satisfaction.

"ceiling fan install and light fixtures"

Paulo G on September 2020

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FAQs for generator installation projects in San Antonio, TX

Installing a whole-house generator costs about $5,000 on average. Prices range from $1,550 to $8,500, depending on size, brand, fuel type, and assembly. The size of your whole-house generator is the most significant cost factor, with large homes with high energy demands costing the most to power. Types of whole-home generators include:

  • Portable generators with 1kW–7.5kW capacity: $500–$2,000

  • Partial generators with 9kW–20kW capacity: $2,000–$6,300

  • Whole-house generators with 22kW–48kW: $5,000–$18,000

When maintained properly, a whole-house generator can last up to 20 years. Costs to maintain and repair generators vary by location and type of generator, but you can expect to pay about $150 to $300 per year for annual generator maintenance checks. An experienced generator service technician will inspect your generator’s engine filter, starting mechanism, fuel, lubrication, and coolant levels to keep your generator in good working condition for as long as possible.

When choosing the right size generator for your needs, consider a few items to help calculate the wattage you’ll need. Start by determining which household items and appliances you want to power, and then add the wattages together. Check out the wattage of these essential appliances:

  • Refrigerator: 600 watts

  • Large dehumidifier: 700 watts

  • Large window air conditioner: 1,400 watts

  • Water heater: 3,000 watts

Running home appliances like these requires a partial or whole-house generator. A portable generator may be enough to power your home if you only plan to keep a refrigerator and freezer running. 

Here’s what you can run with different wattages and types of generators:

Portable generator:

  • 2,000 watts can handle a large appliance like a freezer or refrigerator, plus a few smaller items like phones or computer chargers. 

  • 4,000 watts will keep two large appliances operating and a few smaller devices.

  • 8,000 watts should power most essential appliances and other devices, including a sump pump, well pump, or your dishwasher.

Partial to whole-house generator:

  • 20,000 watts and above will make it seem like your home’s power is still on.

The value of installing a whole-house generator is that your home has guaranteed power, even if the power grid in your area is down. Whether a whole-house generator is worth installing in your home depends on how often you use it, your home’s location, and your lifestyle. For example, installing a whole-house generator is likely worth it if you:

  • Experience frequent or prolonged power outages

  • Work from home

  • Store a lot of cold food

  • Have a sump pump

  • Have a pump for well water

  • Use electronic medical devices

  • Live in a climate requiring heating or cooling

The San Antonio, TX homeowners’ guide to generator installations
From average costs to expert advice, get all the answers you need to get your job done.
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