Houston’s #1 Team for Backup Power Design & Installations

Reliable Generator Maintenance in Houston, TX

Keep your standby generator ready for any outage — trusted local experts, fast and dependable service.

Keep Your Generator Running Strong Through Houston’s Toughest Weather

At Astro Gen, we specialize in residential and commercial generator maintenance in Houston and surrounding areas. With over a decade of experience, we ensure your generator starts on time, runs efficiently, and stays reliable through Houston’s toughest weather.
Whether you have a Generac, Kohler, Cummins, Briggs & Stratton, or Champion system, our licensed and insured technicians know exactly how to keep it in peak condition.

Our Generator Maintenance Services Include:

Annual & Semi-Annual Maintenance Plans
Oil & Filter Changes
Battery Testing & Replacement
Fuel System Inspections
Load Bank Testing
Cooling & Exhaust System Checks
Electrical System Diagnostics
Performance Testing & Adjustments
Emergency Maintenance Services

Why Choose Astro Gen

Astro Gen offers expert installations, top-quality products, fast service, and customer-focused care, ensuring reliable power solutions every time.

Licensed & Insured in Texas

10+ Years of Generator Service Experience

Honest, Upfront Pricing — No hidden fees

Fast Response Times — We show up on schedule

Serving Houston & Beyond

Astro Gen provides reliable generator solutions across Houston, Katy, The Woodlands, Sugar Land, Cypress, Humble, and nearby areas.

Request Your Free Commercial Project Quote

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Hear from Our Satisfied Clients

Read recent reviews to see why customers trust Astro Gen for reliable, top-notch generator installations and exceptional service.

         Posted on Google  
   
   Donald McAdams 
 February 10, 2026
 
 
 Trustindex verifies that the original source of the review is Google.  Ethan and his crew were excellent and did a professional installation. We are very happy with their work and look forward to them servicing our generation over the years to come.
Thank you,
Don
  
 
 
      Posted on Google  
   
   Reginald Perry 
 February 5, 2026
 
 
 Trustindex verifies that the original source of the review is Google.  Service was amazing and informative. Kaden was a Rockstar very helpful and neat about his work and approach.
  
 
 
      Posted on Google  
   
   Mark Babb 
 January 24, 2026
 
 
 Trustindex verifies that the original source of the review is Google.  We are beyond grateful for the experience we had with Astrogen. From the first quote to walking out with the installation complete took less than forty eight hours, all accomplished just ahead of a major winter storm. Despite the urgency and pressure of the timing, Mason never once tried to overcharge us or take advantage of the situation. His honesty and calm professionalism were deeply reassuring.
Mason himself was kind, pleasant, and exceptionally knowledgeable. He has a way of putting you at ease while clearly knowing his craft inside and out. His crew reflected the same spirit. They were professional, friendly, and worked with quiet confidence and care. This was a referral and not a company we had worked with before, yet the service felt personal and trustworthy from the very beginning. It is rare to feel this well taken care of, especially under stressful circumstances. May God continue to bless Mason, his staff, and his crews. Astrogen delivered excellence when it mattered most, and we could not have asked for better service.
  
 
 
      Posted on Google  
   
   gamboolman 
 January 22, 2026
 
 
 Trustindex verifies that the original source of the review is Google.  We have used Astrogen for years to the annual maintenance  for our Generac 26KW Natural Gas fueled whole house Stand By Genset.
They are very good and reliable.
They have come out to fix a couple minor issues over the years promptly and in fact knew about the issues before we did with the whiz bang electronic monitoring system.... ha !
Do recommend Astrogen
  
 
 
      Posted on Google  
   
   Steven Burke 
 January 20, 2026
 
 
 Trustindex verifies that the original source of the review is Google.  Kaden was very professional and on time. Performed the service exceptionally well.
  
 
 
      Posted on Google  
   
   Brenda Booth 
 January 12, 2026
 
 
 Trustindex verifies that the original source of the review is Google.  After a misunderstanding, Astrogen stepped up with amazing customer service and great communication. I’m very pleased with their work and will be using them for my upcoming service needs. Give them a call.
  
 
 
      Posted on Google  
   
   Pritesh Patel 
 January 2, 2026
 
 
 Trustindex verifies that the original source of the review is Google.  I had been searching for a while for someone to perform maintenance and review an existing generator installation after it wasn’t done correctly the first time. Ethan at AstroGenerators exceeded my expectations.

He walked me through all the work he performed, explained everything clearly, and took the time to answer all of my questions. His knowledge and communication really stood out, and I felt confident in the work being done. He also explained future maintenance options, and based on his service, I decided to sign up.

Excellent experience from start to finish. Thanks, Ethan!
  
 
 
      Posted on Google  
   
   Merrill Bailey 
 December 22, 2025
 
 
 Trustindex verifies that the original source of the review is Google.  The installation and purchase of our generator was handled in a very professional manner. Astrogen did everything that was agreed to from the sale, to the installation. The  techs that installed our generator did a great job.
  
 
 
  
 
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     Verified by Trustindex  Trustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more