
Generator Services in Houston
Expert Generator Service in Houston
At Colwell Electric, three generations of electrical experience go into every generator service we provide. As a family-owned business with more than 30 years in the industry, we handle residential and commercial generator needs with precision. Our team delivers dependable installation, maintenance, and repair services to keep your power supply running smoothly.
Our commitment to safety and industry standards has earned us recognition as a trusted service provider. We are affiliated with Qmerit, a leader in electrification technology, and maintain strict compliance with industry regulations. Whether you need a generator for your home or business, we use advanced technology and years of experience to provide lasting solutions.
Need generator service in Houston? Call Colwell Electric at (713) 940-6120 or send us a message online today.
Generator Services Backed by Experience
For nearly 30 years, we have been an approved GE Zenith Factory Service Center. Our factory-trained technicians specialize in automatic transfer switch installations and retrofits, ensuring your system operates efficiently when you need it most.
We use advanced diagnostic tools to identify potential issues before they lead to costly repairs. Our maintenance plans help prevent unexpected failures and extend the life of your generator. Whether performing routine service or emergency repairs, we work with precision to minimize downtime and maximize reliability.
Our Generator Services:
- Professional Installation: Seamless setup and integration with your electrical system.
- Scheduled Maintenance: Regular inspections to keep your generator operating efficiently.
- Reliable Repairs: Fast and effective solutions to restore power when problems arise.
Houston’s Generator Needs
Houston’s severe weather, including hurricanes and thunderstorms, makes a reliable generator system a necessity. Frequent power outages can disrupt daily life and business operations, making backup power essential for safety and comfort.
Beyond weather-related concerns, Houston’s growing energy demands place increased strain on electrical infrastructure. Our team stays ahead of these challenges by providing generator solutions that match the power needs of homes and businesses. We also stay up to date with local regulations to ensure compliance with all installation and maintenance requirements.
Frequently Asked Questions
What Types of Generators Do You Service?
We service residential and commercial generators, including standby, portable, and industrial models. Our technicians have hands-on experience with major brands, including GE Zenith, ensuring expert installation, repair, and maintenance.
Standby generators provide long-term backup power, while portable units offer temporary solutions. Our team assesses your energy needs to recommend the best system based on power consumption, space, and budget.
How Often Should My Generator Be Serviced?
We recommend servicing your generator at least once a year. If your generator runs frequently, especially during Houston’s storm season, additional maintenance may be necessary. Our service plans keep your system running reliably, preventing breakdowns before they happen.
Basic monthly inspections, such as checking oil levels and battery status, can help prevent unexpected failures. During professional service, we inspect fuel systems, electrical connections, and overall performance to catch potential issues early.
What Does a Generator Service Include?
Our generator service includes:
- Thorough inspection of all components, including fuel and electrical systems.
- Cleaning and testing parts to ensure peak performance.
- Oil and filter changes to keep the system running smoothly.
- Software updates for modern generator models with smart technology.
We also provide recommendations for optimizing energy use and maintaining efficiency, helping you get the most out of your generator.
Why Choose Colwell Electric?
With over 50 years of combined experience and deep roots in Houston, we bring a unique combination of tradition and innovation to every job. Our factory-trained technicians specialize in GE Zenith Controls and have extensive knowledge of generator systems.
We prioritize clear communication and reliable service, keeping clients informed throughout the process. Every project includes follow-up support to ensure generators continue to perform as expected. Our goal is to build long-term relationships with customers who rely on us for dependable power solutions.
How Can I Schedule an Appointment?
Call (713) 940-6120 or visit our website to schedule a service appointment. Our team will assess your power needs and recommend the best service options for your home or business. We make scheduling easy and offer flexible appointment times to accommodate busy schedules.

Happy Customers in Your Neighborhood
Our reputation is built on quality service and honoring our commitments.
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“10/10 we loved working with Mike and his team. Mike was always so responsive and I love how creative he is when it came to redoing our electric and making it still aesthetically pleasing. Can’t recommend these guys enough!”- Nadine B.
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“- Heather M.
I contacted Colwell Electric because lightning struck my home and damaged quite a few outlets and light fixtures. Mike D. took great care of me. He was helpful and answered all my questions. I am very pleased with their work and professionalism.
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“- Mendi S.
No other company came close to the cost I was quoted from Colwell Electric. A family-owned business that I highly recommend.
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“- Gaye W.
As Realtors, we are always looking to add value to our clients. I’m excited about the new product Colwell is offering to monitor the electric connections in my home. I have worried about shorts.....not anymore.
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Why Choose Colwell Electric?
Serving Houston, TX Since 1990
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Reinforced by the inclusion of seven master electricians on our team, ensuring a level of skill, knowledge, and reliability in all our endeavors.
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We take pride in offering a comprehensive range of services, from small-scale assignments to turnkey design-build projects.
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We are committed to keeping our clients safe and reassured by providing quick and reliable support in emergencies.
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We prioritize quality, integrity, and safety, committing to do what it takes to guarantee the right results in all our endeavors.