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Avatar for JAMES GRIFFIN ELECTRIC LLC
JAMES GRIFFIN ELECTRIC LLC
5.0(
17
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Sunset Valley, TX and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"James was prompt and did a thorough job. Heâ s very polite and easy to work with. Cleaned up after himself. Weâ ve not had any problems and the generator works exactly as it should when weâ ve had a power outage."
2023
2023
2023
2023
2023

+18

Response time5 hrs
1 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for Keil Electric
Keil Electric
5.0(
12
)
Fixed Generator - InstallGenerator - InstallGenerator - Install - For Business

Serving Sunset Valley, 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

8 neighbors recently requested a quote
Recommended by63%of homeowners
Avatar for INFINITE POWER LLC
INFINITE POWER LLC
5.0(
8
)
Fixed Generator - InstallGenerator - Install - For Business

Serving Sunset Valley, TX and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

We are extremely passionate about the work that we do. You can depend on us to provide a high quality service at a fair and honest price. We understand that the future of our business depends upon our reputation and that is why customer service is by far our highest priority. If you are looking for a professional you can trust, please call today to schedule a no-obligation estimate!

Response time10 mins
Response rate100%
Avatar for Fox Service Company
Fox Service Company
3.8(
24
)
Fixed Generator - InstallFixed Generator - Repair

Serving Sunset Valley, TX and surrounding areas

Approved (Corporate)

In business since 1972

Emergency services offered

Warranties offered

"From the saleman, Brandon, who first reached out to us and worked with us on the equipment and the quote to the team that came out to do the installation of 2 AC units, everyone was professional polite, worked within our budget and explained our options clearly! Highly recommend Fox!"
Rooftop Package Unit Installation
Ductless Heat Pump Installation
Ductless Air Handler Installation
Ductless Air Handler Installation
Condenser Replacement

+2

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

The average cost to install a home generator is $5,200, but total costs can range from $500 to $18,000 or more. The final price depends on several factors, including the generator's size, type, brand, fuel source, and the cost of labor and assembly. The generator's size is the most significant cost factor, as units that can power larger homes with higher energy demands cost more.

Cost breakdowns by generator type are typically as follows:

  • Portable or Emergency Backup Generators (1kW–7.5kW): $500–$2,000

  • Partial-Home Generators (9kW–20kW): $2,000–$6,500

  • Whole-House Generators (22kW–48kW): $5,000–$18,000

To ensure you get the right size unit for your needs without overpaying, consider hiring an electrician to calculate the electrical load of your essential appliances. It is also recommended to get at least three quotes from qualified installers to find the best fit for your budget.

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.

While natural gas generators are costly, they’re a great option for standby power due to the reliability of natural gas as a fuel source. Unlike other fuels, natural gas is delivered through underground pipes, making outages extremely rare and less likely to be affected by the elements. As long as the area isn’t prone to earthquakes, they offer an unlimited supply of natural gas that doesn’t degrade over time or require storage in tanks.

Yes, natural gas generators can work without electricity. Natural gas generators are a common type of backup or whole-house generator that operates when the electrical grid isn’t working. The trick is using a transfer switch (which usually needs to be installed with the generator) that safely switches the home electrical system from the power grid to generator power when needed.

If you’re deciding between a solar battery versus a generator for the best backup power solution, you can take a few factors into consideration. Solar batteries are quiet while generators can be quite loud. Generators have a lower up-front cost, but they require fuel and ongoing maintenance while solar batteries are more expensive but don’t have many ongoing costs.

The Sunset Valley, TX homeowners’ guide to generator installs

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