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Avatar for Sigma Electric, LLC
Sigma Electric, LLC
4.9(
19
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Miles, TX and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"Electrician came, and presented himself very professional. He quoted at a fair price and explained the process. He then came at the time we agreed and did the job that needed to be done. He sent me the invoice and I paid the invoice immediately, he is my go to company for electrical work. Recommend 100%"
Service Upgrade
Tankless water heater
Tankless water heater, EMT conduit
office remodel
Projector Circuit

+1

Response time1 day
Response rate94%
5 neighbors recently requested a quote
Avatar for AMP Electric Angelo LLC
AMP Electric Angelo LLC
5.0(
6
)
Fixed Generator - InstallFixed Generator - Repair

Serving Miles, TX and surrounding areas

Approved

In business since 2020

Emergency services offered

Warranties offered

"Javier and AMP electric responded to my request for a service panel upgrade immediately. They scheduled the service and completed the work very quickly as promised. Brian, the technician who did most of the work was especially good. He kept me informed at each step of the way, and helped me make decisions which made the job much smoother and less expensive for me. His work was very professional. The wiring on my new main panel was basically a work of electrical art. I would highly recommend AMP electric for any electrical project you may have."
Passed Inpection
13 neighbors recently requested a quote
P3 Industries, LLC
New to Angi
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Miles, TX and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

We work extremely hard for the owner and our company strives to take care of all our client's\nunique needs and always have the owner's best interest at heart. We are very detailed and\nmeticulous in our work. Our long-term vision is for us to become your go to Contractor with\ncapabilities to do multiple types of projects.\nCall us today you'll be relieved you did. Thank you

Response time6 hrs
4 neighbors recently requested a quote
Avatar for Imperial Enterprises
Imperial Enterprises
5.0(
3
)
Fixed Generator - Repair

Serving Miles, TX and surrounding areas

In business since 2013

Free estimates

"Heath Elliott the owner is an excellent electrician, very professional and doesn't over charge. He gave me a verbal quote and delivered for much less. I will continue to use his service for all my electrical needs."
Response time4 days
Recommended by100%of homeowners
Avatar for The Home Depot - Generators
The Home Depot - Generators
2.5(
1
)
Fixed Generator - Install

Serving Miles, TX and surrounding areas

In business since 2003

Free estimates

Small jobs welcome

Today, we're proud to be the world's largest home improvement retailer. In 2,300 stores across North America, we aspire to excel in service – to our customers, associates, communities and shareholders. That's what leadership means to us. That's The Home Depot difference.

Generators
Generators
Generators
Generator
Generators

+5

Avatar for Fix It G-Daddy
Fix It G-Daddy
New to Angi
Portable Generator - InstallPortable Generator - Repair

Serving Miles, TX and surrounding areas

In business since 2022

Free estimates

Small jobs welcome

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!

Response time9 hrs
Showing 1-10 of 12
Generator Install questions, answered by experts

With proper maintenance, a whole-house generator can last between 20 and 40 years. The specific lifespan depends on how often and for how long the generator is used, and some models may have their life expectancy rated in hours of operation. To maximize its lifespan, expect to spend around $150 to $300 per year for annual maintenance checks from a qualified technician. During these checks, a technician will inspect the engine filter, starting mechanism, fuel, lubrication, and coolant levels. Consulting your installer and choosing a low-impact fuel like natural gas or diesel can also help ensure your generator lasts as long as possible.

Natural gas generators are designed to run for extended periods of time, such as power outages during a natural disaster. Since there’s no limit to the supply of natural gas, they don’t need to stop for refills. However, generators do need maintenance, including pauses to check and add oil. Constantly running them will also cause a lot more wear and tear, leading to a shorter lifespan.

Generators are usually sized by running watts and starting watts. Ideally, you’ll want a generator that can offer both the necessary running watts and starting watts for everything you need to power without going beyond 90% of its capacity. Calculate your home’s electrical load based on the breakers in your home or adding up the appliance and lighting needs of connected rooms.

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.

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 Miles, TX homeowners’ guide to generator installs

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