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Avatar for Powertex Electric
Powertex Electric
5.0(
10
)

Serving Mansfield, 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 McBride Electric
McBride Electric
5.0(
18
)

Serving Mansfield, TX and surrounding areas

Approved

In business since 1961

Emergency services offered

Warranties offered

"I engaged McBride to install two ceiling fans at my house. The installer, Justin, did an excellent job on both and I'm very pleased with Justin and the work he did for me. For my next electrical project I will be calling McBride."
Response time11 hrs
Response rate90%
11 neighbors recently requested a quote
Avatar for Tri-State Water, Power & Air
Tri-State Water, Power & Air
5.0(
5
)

Serving Mansfield, 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
106 neighbors recently requested a quote
Avatar for Wilder Electric, LLC
Wilder Electric, LLC
4.7(
78
)

Serving Mansfield, TX and surrounding areas

Approved

In business since 2018

Emergency services offered

Warranties offered

"The security lights were replaced and covers installed for the outside electrical outlets . Also a pull chain light was replaced with a motion detected LED light in a closet. Garage lights were replaced with LED lights. Christopher and his associate have spent a lot of time coming back to adjust an outside security light. They are such professional electricians and will stand behind their work. . I recommend their services."
Soda Shop
patio plug
She plug
The Brian house
Front

+34

Response time6 hrs
Recommended by98%of homeowners
Avatar for Nmj Electric, LLC
Nmj Electric, LLC
5.0(
5
)

Serving Mansfield, 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

+7

17 neighbors recently requested a quote
Avatar for Mister Sparky of Mansfield
Mister Sparky of Mansfield
5.0(
9
)

Serving Mansfield, TX and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

Welcome to Mister Sparky of Mansfield! Family-owned and operated, we take pride in the quality of our work and the customer satisfaction we provide to each and every customer.\n\nWe are committed to delivering reliable, professional electrical services with exceptional attention to detail and dependable customer care throughout Mansfield, Midlothian, Cedar Hill, and surrounding communities.\n\nCall us today to learn more about how we can help you!

Mister Sparky Fleet/Team
Mister Sparky Fleet/Team
Mister Sparky Fleet/Team
Mister Sparky Fleet/Team
Mister Sparky Fleet/Team

+22

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

Yes, in some locations, it is required by the National Electric Code (NEC) to have a transfer switch installed for electrical emergencies. In addition to following electrical code, generator transfer switches ensure your home is fully protected during a power outage. By switching the power from the main breaker to the generator breaker, you can seamlessly operate your HVAC, lights, appliances, devices, and more during an emergency. 

It’s usually better to repair your generator if it isn’t working properly, as it will typically be much more affordable and should yield similar results. Generator repairs cost around $300 on average, while installing a new whole-house generator costs around $5,000 on average. The only exception is if you know your generator is reaching the end of its useful life, usually between 30 and 40 years. If you have an older generator, you could face multiple repairs in the coming years, which might mean that a full replacement will be more cost-effective over time.

Generators are safe to use as long as they are installed and operated correctly according to the manufacturer's recommendations. The most critical safety tips are to never use a portable or fuel-powered generator inside an enclosed space due to the risk of lethal carbon monoxide poisoning; always operate it outdoors where fumes can dissipate away from your home. Additionally, never attempt to connect a generator to your home’s electrical panel yourself—hire a professional to ensure the setup meets safety standards. Finally, avoid overloading the generator by not connecting more appliances than it is rated for, as this can damage your equipment or cause a fire.

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.

An undersized whole-house generator has the potential to overheat and shut down when you try to run a central AC system. This scenario can not only damage the whole-house generator, but can also trip your home’s breakers or cause electrical damage. To avoid this situation, hire a local generator installer to correctly size your whole-house generator.

The Mansfield, TX homeowners’ guide to generator installs

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