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Top-Rated Generator install pros in Del Valle - Updated Nov 2026

Avatar for Keil Electric
Keil Electric
5.0(
12
)
Fixed Generator - InstallGenerator - InstallGenerator - Install - For Business

Serving Del Valle, TX and surrounding areas

Approved

In business since 2014

Emergency services offered

Credit card accepted

"From getting an estimate and receiving the information related to the upgrade on my electrical panel based on having an older home which was grandfathered in. I felt more at ease and comfortable with the upgrade from Keil, the technician was professional and so was staff that provided the estimate. I would never hesitate on hiring Keil for all of my electrical needs."
CIRCUIT DIAGNOSIS & REPAIR
Outdoor Electrical Installation
Interior Lighting Upgrade
Outdoor Electrical Setup with Lighting Integration
Master Level Electrical

+54

25 neighbors recently requested a quote
Recommended by63%of homeowners
Avatar for Cenarez Construction
Cenarez Construction
5.0(
8
)
Portable Generator - RepairPortable Generator - Install

Serving Del Valle, TX and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"I’m very pleased with the bathtub replacement, Sheetrock installation, and painting work Cenarez Construction completed in my home. They were professional, reliable, and paid close attention to every detail. The bathtub looks beautiful, the Sheetrock was installed perfectly, and the paint finish is clean and even. They did an excellent job from start to finish, and I highly recommend their services."
Cleanings
Cleanings
Cleanings
Cleanings
Cleanings

+11

1 neighbors recently requested a quote
Avatar for SRM Electric Co. LLC
SRM Electric Co. LLC
5.0(
2
)
Fixed Generator - Install

Serving Del Valle, TX and surrounding areas

Approved

Free estimates

Offers commercial services

"We bought an older house not knowing much about electricity, other than both of our vehicles are electric and need to plug in to charge. Long story short, we didn’t have enough electricity coming into our newly purchased home. We needed a complete upgrade. We got in touch in with Silvio and although what we needed was serious, he made it as painless as possible. He planned and coordinated everything. When the power company was there that morning to shut down the power, Silvio and his guys were there waiting with everything they needed. We had our power back on that very same day. They did a fantastic job at a reasonable price. Silvio kept his word and did everything he said he was going to do and we find that refreshing. 10 out of 10!!! Honest. Reliable. Trustworthy. Thank you SRM!!!! Definitely recommend and will use again"
Kitchen remodel
Kitchen remodel
Welding/Garage shop
Welding/Garage shop
Welding/Garage shop

+2

2 neighbors recently requested a quote
Avatar for Storm Guardian Generators
Storm Guardian Generators
New to Angi
Fixed Generator - InstallGenerator - InstallGenerator - Install - For Business

Serving Del Valle, TX and surrounding areas

Approved (Corporate)

In business since 2006

Free estimates

Emergency services offered

Founded in 2006 Storm Guardian Generators is a Power Pro Elite sales, service and installation dealership for GENERAC Power Systems. Storm Guardian Generators is family owned and operated. We are detail oriented, from job permitting to the turnkey installation and long term preventive maintenance, we make the process as smooth as possible. We carry the complete line of portable and fully automatic generators and transfer switches for residential, commercial and industrial applications. Give us a call lets talk. 281-648-2177

Response time1 day
Response rate100%
22 neighbors recently requested a quote
Avatar for Fox Service Company
Fox Service Company
3.5(
26
)
Fixed Generator - InstallFixed Generator - Repair

Serving Del Valle, TX and surrounding areas

Approved (Corporate)

In business since 1972

Emergency services offered

Warranties offered

"Installation took place 14 days after I had accepted the bid, which was contingent of them getting my broken one repaired the next day free of charge, Which they did. I would have rated them 4.5 stars if possible,"
Rooftop Package Unit Installation
Ductless Heat Pump Installation
Ductless Air Handler Installation
Ductless Air Handler Installation
Condenser Replacement

+2

Response time1 day
Response rate90%
4 neighbors recently requested a quote
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Generator Install FAQs, answered by experts

Carbon monoxide emissions aren’t only dangerous to human life, but they also harm our planet. While natural gas generators emit lower levels of CO than other fuel sources, there are still ways to reduce emission levels. For example, shop around for an eco-friendly generator that complies with current emission standards. Also, make sure your generator is serviced regularly to avoid CO buildup. 

To determine the right size generator for your house, you should calculate the total wattage of the appliances and devices you want to power during an outage. List all essential items, note their start-up wattages, and add them together.

Here are some typical wattage requirements for common appliances:

  • Refrigerator: 600 watts

  • Large dehumidifier: 700 watts

  • Large window air conditioner: 1,400 watts

  • Water heater: 3,000 to 4,500 watts

  • Electric furnace: 5,000 to 25,000 watts

A 7,500-watt generator might be sufficient for essentials like a refrigerator, freezer, well pump, and lighting circuits. However, for high-demand items like a water heater or furnace, a whole-home generator is a better choice. A portable generator may be enough if you only need to power a few critical items.

While home square footage can offer a rough estimate, it is not always a reliable indicator. For reference, here are some typical generator sizes based on square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14 kW

  • 2,500 sq ft: 12–16 kW

  • 3,000 sq ft: 16–20 kW+

For the most accurate sizing, consult a professional who can calculate your home's peak and average power consumption and recommend the optimal generator.

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.

You can expect a diesel generator to last for up to 30,000 hours of use, which works out to 20 to 25 years with the proper maintenance, of course. That depends on how much you use it, so a diesel generator used for emergencies a couple of times a year will last a lot longer than a generator that takes over for a faulty electrical grid every month for a day or two. 

The amount of time a standby generator can run continuously is around 3,000 hours on average. However, standby generators can generally run indefinitely as long as they have a continuous fuel supply. Generators hooked up to a home’s natural gas supply are the best option for extended usage, as these won’t rely on a finite fuel supply based on how much you have in storage. Generators running on liquid propane or diesel won’t last as long, as these require fuel storage and regular refueling to stay running.

The Del Valle, TX homeowners’ guide to generator installs

From average costs to expert advice, get all the answers you need to get your job done.