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Avatar for Tri-State Water, Power & Air
Tri-State Water, Power & Air
5.0(
5
)
Fixed Generator - InstallGenerator - InstallGenerator - Install - For Business

Serving Melissa, 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
112 neighbors recently requested a quote
Avatar for LuminX Electrical Contractors
LuminX Electrical Contractors
4.9(
14
)
Portable Generator - InstallPortable Generator - Repair

Serving Melissa, 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%
2 neighbors recently requested a quote
Avatar for MY LEGACY ELECTRIC
MY LEGACY ELECTRIC
5.0(
4
)
Fixed Generator - Install

Serving Melissa, TX and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

"If you are looking for an electrician who is able to do everything, is efficient, professional, able to problem solve, truly listens to what the homeowners’ objectives are, and does all this for very competitive pricing, these are your guys! We cannot more highly recommend them. They have done every variety of electrical work for us. That includes adding new circuits and switches, hanging light fixtures, adding security lights and correcting problems that came with the house, recommending current technology solutions, and finding creative ways to address every issue. When we have an opportunity to recommend an electrician to friends and family, it is MY LEGACY ELECTRIC that we recommend. And we always add that their work speaks for itself."
Panel Change
35 neighbors recently requested a quote
Avatar for DNA Electric Heating & Air Conditioning
DNA Electric Heating & Air Conditioning
5.0(
2
)
Fixed Generator - Install

Serving Melissa, TX and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

With 20+ years of dedicated electrical experience and 10+ years dedicated in HVACR, we specialize in providing top-tier solutions for residential, commercial and industrial applications, all driven by a singular goal; to provide the best service possible!\n

Warranty compressor
Warranty compressor
Warranty compressor
Evap coil cleaning
Evap coil cleaning

+4

Response time1 day
Response rate100%
6 neighbors recently requested a quote
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Generator Install questions, answered by experts

As a safety measure, you should always turn off the main breaker while operating your generator’s backup breaker. In addition, you should also switch off all appliance breakers so you don't have a power surge when the main breaker turns back on. And finally, turning off the main breaker prevents back-feeding, which endangers utility workers with the risk of electrocution. Back-feeding could also destroy the electrical circuits of your neighbors if they use the same power network.

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.

Natural gas and electricity rates vary significantly based on location, and pricing can change over time, too. It’s possible that in locations where natural gas is particularly inexpensive, it will cost less than grid-based electricity will. However, you should also factor in the generator’s initial costs and maintenance needs, as well as its noise level and if it can comfortably power all your home appliances.

Whole-house generators need to be installed on level ground several feet away from walls and other objects. Because they tap into the electrical system directly, they usually need to be close to your home electrical panel for a transfer switch installation. It also helps with installation if they are near to a gas line or propane tank installation.

A 10,000-watt generator can run a small to mid-sized central AC unit (typically up to 3 tons or 36,000 BTU) along with a few other appliances. However, larger AC units or additional loads will require a bigger generator. Consult a local generator installer to ensure you add the correct size generator to your home.

The Melissa, TX homeowners’ guide to generator installs

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