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Avatar for Powertex Electric
Powertex Electric
5.0(
10
)
Fixed Generator - InstallPortable Generator - Install

Serving Keene, TX and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Casey from Powertex did a great job. He installed recess lighting, a ceiling fan and dimmers. He also fixed a electrical switch. He took great care to protect my space while he worked. I will use Powertex for all my electrical needs."
Panel Before
Panel During Re-wire
Panel Rewire & Cleanup
Tesla Wall Charger
Free Estimates

+8

6 neighbors recently requested a quote
Avatar for HR Phoenix Electrical Services
HR Phoenix Electrical Services
4.5(
482
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Keene, TX and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Phoenix electrical is owned by Paul, a master electrician, who does the initial consultation to figure out a quote, he is very direct and honest but easy to talk to and work with. Their customer service is excellent, they kept me well informed throughout the process and were very friendly and accommodating. Pheonixs quote was fair without question, his crew had a tough job installing a generator transfer switch kit set up, I live in a house built in the late 80s, so, the electrical system is a bit older and they ran into issues but they worked non stop and persevered through the challenges, found solutions, and completed the job as promised. Without question, I recommend Phoenix Electrical, and I will certainly seek them out first for any future electrical work. Thank you."
Kohler Generator
Recommended by91%of homeowners
Avatar for Tri-State Water, Power & Air
Tri-State Water, Power & Air
5.0(
5
)
Fixed Generator - InstallGenerator - InstallGenerator - Install - For Business

Serving Keene, TX and surrounding areas

Approved (Corporate)

In business since 1992

Free estimates

Emergency services offered

Tri-State Water, Power & Air has been provided products designed to improve the comfort and quality of life of our customers since 1992. Our specialty is Automatic Home Standby Generators. \nWe expect customer service excellence and aim to go above and beyond on every call. With 10 locations across 8 states, Tri-State is always ready to serve you.

Additional Photos
105 neighbors recently requested a quote
Avatar for Wilder Electric, LLC
Wilder Electric, LLC
4.7(
78
)
Portable Generator - Install

Serving Keene, TX and surrounding areas

Approved

In business since 2018

Emergency services offered

Warranties offered

"Wilder Electric owner Christopher Bedford did a wonderful job installing new wiring to an outside building and working on upgrades to our home. He was a caring and hardworking person. I would recommend his company ."
Soda Shop
patio plug
She plug
The Brian house
Front

+34

Response time6 hrs
1 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for LuminX Electrical Contractors
LuminX Electrical Contractors
4.9(
14
)
Portable Generator - InstallPortable Generator - Repair

Serving Keene, TX and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

"LuminX is a company I would recommend, they were extremely professional and courteous. I was informed when they were on their way and they did the job quickly and the new outlet was installed right where we needed it. I will definitely be calling them for future jobs and recommend to anyone needing electrical work."
Exterior Lighting
Exterior lighting
Before
Before
Interior

+10

Response time2 hrs
Response rate89%
1 neighbors recently requested a quote
Avatar for Comfort Experts, Inc.
Comfort Experts, Inc.
3.7(
297
)
Fixed Generator - Install

Serving Keene, TX and surrounding areas

Approved

In business since 1962

Free estimates

Emergency services offered

"We had to have our whole system replaced. The install crew was fantastic, professional and on time. They explained the new NEST thermostat so even my wife understood its functions. We have bi-annual check ups to ensure system operation is good for the dual fuel heat and a/c system."
AC Repair
Thermostat Repair
473 neighbors recently requested a quote
Recommended by74%of homeowners
Avatar for Nmj Electric, LLC
Nmj Electric, LLC
New to Angi
Portable Generator - InstallFixed Generator - InstallFixed Generator - Repair+3 more

Serving Keene, TX and surrounding areas

Approved

Free estimates

Warranties offered

Small jobs welcome

At NMJ Electric, we provide dependable, high-quality electrical services for homeowners, businesses, and property managers throughout the Dallas–Fort Worth area. Whether you need a simple repair, a complete electrical installation, troubleshooting, lighting upgrades, panel replacements, or preventative maintenance, our goal is to deliver safe, code-compliant solutions with exceptional workmanship.\n\nAs a veteran-owned company led by a Texas Master Electrician, we take pride in honest communication, attention to detail, and doing the job right the first time. We believe every customer deserves reliable service, transparent pricing, and an electrician they can trust to protect their home or business.\n\nNo matter the size of the project, NMJ Electric is committed to providing professional electrical solutions that keep your property powered safely and efficiently.

Tumble Town Gymnasium
Tumble Town Gymnasium
Tumble Town Gymnasium
Tumble Town Gymnasium
Tumble Town Gymnasium

+5

3 neighbors recently requested a quote
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Generator Install questions, answered by experts

DIY is possible for basic setups. Professional installation ensures safe and proper electrical connections.

Generally, you’ll want to keep between 60 and 70 feet between the generator and the transfer switch. There are a few reasons for this, including:

  • The distance reduces the noise coming from the generator into your home.

  • It increases efficiency because you won’t have a voltage drop from this short of a distance.

  • Prevents carbon monoxide poisoning: keep at least 15 feet between your generator and an open window. 

To reduce AC startup power for a whole-house generator, install a soft start kit or hard start capacitor, which lowers the initial surge by gradually ramping up the compressor. Using a smart load manager can also help by staggering startup loads, preventing a system overload and future costly repairs.

While diesel is relatively stable, it won’t last nearly as long as propane and you may have to replace it if it sits unused for too long. Diesel can sometimes struggle to work efficiently or start engines during especially cold weather, so it’s not the best choice for every climate. Compared to fuels like propane and natural gas, diesel generators tend to be noisier and create more exhaust, which isn’t always ideal for home use.

Sizing a generator is a careful process that requires calculating the electrical load of your entire house. You have to take into account every device you want to use and their wattage requirements, plus the wattage needed to start them, and look for a generator that can safely run all that at around 80% capacity.

In more practical terms, a small home can run on a 10,000-watt generator (and if you only want to power a few key appliances, much less than that). A mid-sized home may need something between 15,000 and 22,000 watts. Larger homes require 25,000 watts or more. 

The Keene, TX homeowners’ guide to generator installs

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