Facts: Purchased Generator 11.25, installed 02.26. Great service. 09.08.26 Generator went out. Tech came out same day but wasn't able to fix. 09.09.26 I got an email that service appt is 09.16.26 because the man that is going to fix it is currently booked and that is the first available date. A little disappointed we have to wait until 9.16.26. I'll update this review if it is fixed as agreed. read more

1-Star Review -- Generator Supercenter My experience with Generator Supercenter has been extremely disappointing, and I would not recommend them based on what I have experienced. Brandon Tillery was nothing but a fast talker throughout the sales process. Unfortunately, the confidence he displayed did not translate into making sure the job was actually done correctly. The installation was not properly completed or verified, and I was left with a brand-new generator that has experienced serious issues almost immediately after installation. For a $14,000 investment, I expected a properly installed, fully operational Generac generator--not a $14,000 paperweight sitting in my yard. What makes this even more frustrating is that I have repeatedly attempted to get the issues resolved, yet Generator Supercenter has failed to provide an adequate resolution. I should not have to fight this hard to get a brand-new system operating properly after spending this kind of money. A company should stand behind its installation and its customers. Unfortunately, that has not been my experience. Until Generator Supercenter takes responsibility and actually resolves these problems, I cannot recommend them to anyone considering a whole-home generator. What's even more concerning is the lack of adherence to proper processes and procedures. Shortcuts were clearly taken, and as a result, I was left without a fully functioning product. Instead of ensuring everything was installed and operating correctly, they hold the usability of the generator hostage by refusing to "activate" it until full payment is made--regardless of whether the system is actually working as intended. This is not how a reputable company should operate. I would strongly caution anyone considering Generator Supercenter to look elsewhere. I do NOT recommend this company. read more

In August 2025, I signed a contract with Generator Supercenter in Homewood, Alabama and paid the required $4,350 deposit. After the payment was collected, all communication stopped. Despite multiple attempts to contact the company, I received no meaningful response or progress on the project. During my efforts to resolve the issue, I discovered that this was not an isolated incident. I became aware of more than 30 other homeowners who reported experiencing similar situations with this location. I escalated the matter to the parent company in Tomball, Texas. Initially, they acknowledged the situation and indicated they would honor or address my deposit. However, after several weeks of communication, they stopped responding entirely, and I have not received any resolution. As of May 2026, nearly nine months later, I do not have a generator, and my deposit has not been recovered. I also contacted Generac, the equipment manufacturer, to seek assistance. They stated they were unable to intervene in disputes with independent dealers and did not offer a path toward resolution. This has been a very costly and frustrating experience. I strongly encourage others to fully vet both the dealer and the contract terms before making any upfront payment. read more

If I could give Generator Supercenter a negative review, I would. Unfortunately, it's a one-star review. The people who are employed by Generator Supercenter are the most incompetent individuals I have ever experienced. I would not recommend them based on the experience we had. This is a friendly message to stay as far away as possible. Approximately two months ago, a Generator Supercenter service technician showed up at our home indicating he was here to perform the yearly generator maintenance. There was NO telephone call or email communication from the Generator Supercenter staff indicating this maintenance call would be occurring on this date. This technician looked like he just crawled out from under a rock. In my opinion this is a poor representation of what Generator Supercenter has become. This individual performed the yearly (spark plug, oil filter and oil) maintenance and then left. Two days later my wife received a call from gentlemen from Generator Supercenter stating the technician informed him that the valves on our generator needed to be adjusted and was calling to schedule and provide us with the cost (labor and service call) for this work. I telephoned the gentleman that spoke with my wife and asked why the valve adjustment service was not provided when the technician was here doing the yearly maintenance. I informed him that the technician made no mention of this while he was here. I was then told that the technician that was at our home a few days earlier is not qualified to do valve adjustments. This would require a different technician, I just about lost it. I asked this gentleman why their technicians were NOT able to perform all aspects of generator maintenance. His response was "because there not". The only thing missing for the cost of the service call was a gun and mask. I contacted another generator contractor in the area and explained the issues I was having with Generator Supercenter and asked if they would provide me with service and maintenance going forward. The woman I spoke with indicated that they would. She also indicated that they are now servicing Generator Supercenter customers who experienced similar horror stories. I informed Generator Supercenter that I would be cancelling my service with them, and I was told that Generator Supercenter needed to remove the monitoring device from the generator, they sent a technician out on 8/17/2026 to perform this task. At this point I was relieved that the Generator Supercenter nightmare was over, or so I thought. Today 9/16/2026 a technician from Generator Supercenter comes to my home to tell me he needs to remove the monitoring device from our generator. This person was then informed that it has already been done. Again, the right hand doesn't know what the left hand is doing based on their incompetence. Again, please think long and hard before contacting Generator Supercenter for your generator needs. It's imperative that your generator is in good working conditions at all times. I don't feel these people are capable of providing this type of service. read more

We are extremely satisfied with Generator Super Center. Today's annual maintenance was teriffic! did everything including the clean up of the generator. Air fliter changed, oil and filter changed, air filter changed, spark plugs changed, He was very knowledgeable and informative. We love the security of having a generator! Thanks CJ, it was a pleasure meeting you. read more

We Love having the security of a generator. CJ was the most efficient tech we've had in the last 7 or so years that we've had our generator. He arrived when promised was super neat and efficient. Thank you CJ, it was a pleasure meeting you. read more

After an initial hiccup on communication (like the power was going to be off for over 4 hours in heat of summer), the install went great. Dominic and Remy headed up to colocated installs and both did great. They were informative and easy to ask questions to. read more

Just scheduled an appointment for maintenance on my Generator with Desaray Pena and had a great interaction ... THANKS Desaray

GS notified me that there was a miswired switch on my generator and they were coming out to fix it at a cost of $197. Since they installed it and maintained it, and the generator was still under warranty that covers parts, labor, and travel for 5 years, I protested the $197. The technician showed up and couldn't find anything, but they still charged me the $197. I will terminate this agreement as this is indicative of the service I have been getting from them from the start. read more

This review is on Cody and Brianna. first, Brianna. Every time I call and Brianna answer, I'm met with a warm response, professionally, and courtesy, to help me with my needs. This morning I met Cody. He was here to perform maintenance on my generator. Not only did he do the work but also explained, showing me his work. I was very impressed with his performance, professionalism, knowledge and ability to teach (not that I would attempt to duplicate his skills). Generator Supercenter should be very proud to have people like Brianna and Cody representing their company. Thank you. read more

Did a great job on my unit installation, and yearly service. They are not the cheapest by far but you often get what you pay for

Buyer Beware! This company is not trustworthy. They sold us 2 Generac Systems, one for our house in the city and one for our rural house. Everything was fine until we went to turn on our Sprinkler system and turns out they had severed 10 of the 11 wires. When we brought this to their attention they said that they wouldn't pay for the repair because we had signed a "Landscaping clause". To us landscaping is Grass, Trees Shrubs - not the Sprinkler System. Who would sign something that said "Hey do any kind of damage in our yard, we don't care - you gave us $250 discount for it!!" They did offer give us 2 Surge Protectors and 1 year of maintenance on each unit. They told us when we purchased the units that we didn't need the secondary surge protector because the unit had one in it and they had already given us a year of maintenance free on each unit because we purchased 2. Sleazy sales practices by the Management (Caden), the sales guy Demarco was great. Don't purchase from them! Clearly they don't really care about the customer. They let shoddy people work on your installation and you can't be sure how it will turn out! read more

I called Generator Supercenter to schedule the annual maintenance check-up on my standby generator. Desaray Pena answered the call, quickly found my records in their system, scheduled the tech to come out to our house and sent me a confirming e-mail. Outstanding service. read more

We got a message on the app after Saturday's bi-weekly system test that it was time for a maintenance call to test the battery. When I called to set it up Desaray Pena, who took the call, said yes, and They already had us on the schedule for next week. And she followed up with an ema confirmation within a few minutes. Great service! read more

The installation was good to a point. The gas line from the main to the house to the generator was installed improperly and a valve broke causing a major gas leak. When the plumber came out to repair it he had to change out several pieces of pipe to get the valve to fit properly and not be under strain and have a possible second valve break and gas leak. We got a bill from CenterPoint energy for the gas that leaked out for a total of $996.50. we Believe generator supercenter should pay for the gas leak. The leak was not our fault we did nothing to cause the valve to break it was improper installation by the generator supercenter installation crew. When I called generator supercenter about the gas bill they said they would have to review the situation. read more

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As a Generac Consultant, Ana played a pivotal role in my decision to purchase this Generac. Ana provided me with comprehensive information about the Generac and its potential to be a valuable asset during challenging times, particularly when it comes to charging my electric vehicle. I am fully satisfied with my investment in the Generac, as I am confident that it will enhance my quality of life during challenging weather. Thank You Ana! I also, appreciate the individuals at The Generator Supercenter who assisted me with my questions and concerns. In addition, I appreciate the individuals who installed my Generac. Great Job Everyone!!! read more

Derek the technician was very informative and efficient. Performed annual maintenence, told me how the generator was and added recomendation for future service and to maintsin it. read more

Trouble getting a direct answer to my question. Finally got it. More characters required. read more

Wonderful people, excellent services and very trustworthy. I really appreciate their help. Forgot their names but here's a photo. Thank yall so much ! read more

Generator Supercenter - Generator Supercenter - Generator Installation/Repair Near Me - Tomball, Texas

Haden came to do annual maintenance, and he did an outstanding job. He is very professional and has outstanding knowledge of his craft. Answered all of my questions. Also thanks to Madysen For the admin help, great job. read more

Desaray Pena has been very helpful in helping to schedule our maintenance appointment.

All sales poor service. Monthly monitoring not worth the money. The one time my power has gone out generator failed to come on. I had a maintenance contract with Generator Supercenter at the time and could not get anyone on hotline number. Finally, after hours I got ahold of a representative. They could not correct the problem that night. Later, when I asked exactly what am I paying this monthly service bill if my machine fails to run dnd you guys fail to answer and respond? I was told we monitor for " faults" and you had a " fault fault" ( I can't make this up) They appear to be poorly organized internally as a company and I was not impressed with the quality of technicians Had I ,to do it over I would not use Generator Supercenter Check out smaller mom and pop outfits read more

Great customer support from Desaray Pena. She was extremely helpful answering my questions and concerns about my Generac generator's annual maintenance and mobile service. read more

Excellent Service from Derek with my yearly maintenance service. He was thorough, professional and very polite. It was a pleasure to meet such a fine young man, working in this 100' afternoon. Highly recommend Derek for all your maintenance service. read more

A generator is one of the things you purchase for your home that you don't think about till it doesn't work when you need it. We have had our whole home generator about a year and all systems checked out working well till we got notice on the app that the system needed to be checked. We spoke with Rachelle in the service department who promptly scheduled us with a service appointment. She was knowledgeable and courteous. Derek was promptly at our home the next day. He diagnosed the issue quickly and provided detailed explanation as to what the issue was. Their service was impeccable and their commitment to their company and to us as customers was second to none. read more

Madyson (service rep) and Joey (technician) were both very helpful and knowledgeable.......still fine tuning the new controller installation......Both of them are a credit to your organization. Terry Hemeyer read more

I had a concern that my new generator wasn't working. We had a power outage and my neighbors units came on but ours didn't. Desaray Pena took my call and was very helpful in arranging a service call to check out the unit. read more

We bought a generator back in July of 2025 and finally had it installed in February of 2026. We have solar panels and was told that we needed and electrician to hook the panels back up for a cost and that we could do it ourselves or have generator supercenter do it and include that fee in with the price of the generator. That is what we opted for. Well they installed the generator and the install crew waited hours for TNMP to come back and turn the electricity back onto the house and inspect the install,mine you the guy from TNMP came out that to do that but the install didn't happen yet. TNMP came out a few days later to inspect and the generator failed inspection. Install crew came back out fixed it and it passed inspection. Now we needed to get the electrician to come out and hook the solar panels back up. Well, it's been over a month ! My electric bills are not what I am use to during the winter months. I called our representative Dale Moehnke about the issue and he told me he will be calling some people to see what is going on and that he will be getting back with me. Long story short, the last phone call I had with him he told me that it was his fault because he didn't know better, that we were responsible for the hire of an electrician and that he should not have charge us the fee for the solar panel reconnection and since they did charge us and we paid that they will assume responsibility . He had assured me he would take care of this and see it through. That call was Thursday of last week and neither me nor my husband have heard anything on the situation. My next step is another call and the call after that will be to a lawyer. I feel I have been more than reasonable with the timeline to be able for Generator Supercenter to rectify things and get back to us! read more

I'm giving generator supercenter a two out of five, which initially started as a one out of five star. Installers had to be pulled the first day due to rain and the two photos of them peeing in my backyard. Second crew installation, put the regulator on backwards and upon owner start up, the unit would not run. Manager took the courtesy to return my call and offered me a discount for the situation as well as her apologies for the unprofessionalism. Owners training was late on the day scheduled and after all of these issues, the owner of generator supercenter still has not contacted me with a phone call. I did upgrade as I said from a one to a two star due to the fact that there was a discount Added to the invoice. read more

Generator Supercenter - Look in corner. That's the lead electrician peeing in my yard. I IMMEDIATELY called my salesman Andrew - Generator Installation/Repair Near Me - Tomball, Texas

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Chris was great friendly on time a very professional expanded everything that we needed to do to keep

The maintenance after installation has been excellent. The installation was rated a one-star, it took 4 attempts to finally have it running correctly and this 5 Star rating is in response to the monitor service indicating low gas pressure. However, this is another example of the "missed" issues with the installation crews, there were many. However, the Tech that came for this low gas pressure alert, caught it immediately - good job. read more

Mason came out for annual maintenance and was quick. He explained everything and gave a thumbs up on the unit. Very informative, friendly, and thorough. read more

Kimberly, thank you for your patience in answering my questions. You did a professional level of service. Thank you, Bruce read more

Desaray Pena sent me a notification a week in advance regarding the annual maintenance of my generator. This is the first year I've had a generator, and I was curious to see how & when the Generator Supercenter would communicate to me regarding the service appointment. I am thankful for the call & e-mail I received, and am positive that they will come and do a good job at the annual maintenance. read more

Generator Supercenter is without a doubt the worst company I've ever dealt with. I've shared my story below and take a few minutes to read other low rated reviews. They all clearly demonstrate that Generator Supercenter is an incredibly poorly run company with zero focus on their customers. I recommend that no one do any business with Generator Supercenter. After being on their backlog for 6 months for a generator installation, a crew came out and reassessed the job at my house. Over the next 3 months, I would call them a couple of times a week for an update and the person working my project was never available and never returned my calls. I was finally able to speak with someone after weeks of calling, and I was told they "have decided not to move forward with my project". I had to ask for a reason and they said "the job is too complicated". I asked for clarification and the person I was speaking with couldn't even explain what was complicated about my project. I don't think they were even familiar with the details of my project. So I paid my $7,500 deposit to Generator Supercenter in February, waited 6 months for my date, spent the next 3 months being ignored by them, only to be told they are cancelling my project after 9 months of waiting. They offered little explanation for their decision, refused to let me speak with the General Manager, Owner or anyone else and offered me no restitution. I had to call several times over the next several weeks to get my refund processed. During that time, I was told 3 different dates that the refund had been submitted. Clearly they either didn't know what they were talking about, or misrepresented things to me. I ultimately had to call Costco to get them to call Generator Supercenter to process my refund. You should consider these questions if you're thinking about doing business with Generator Supercenter: 1. If an installation that I've had several other companies say they can do for the same price is too complicated for Generator Supercenter, can you trust them to do an even standard quality installation for you? 2. Do you want to wait 9 months, only to be told they've decided not to move forward with your project? You'll be going through another hurricane season without a generator. 3. Do you want thousands of dollars tied up while you wait to have your project cancelled, with no offer of interest or any restitution for not having those funds available to you during those months? 4. Do you want to waste your time repeatedly calling them to get an update on your project? A customer-oriented company would be proactively keeping you updated. 5. Do you want to have to continually call to get the refund that is due to you? 6. With their lack of customer-focus, can you expect them to be helpful or responsive after your project is done and paid for? Following my experience with Generator Supercenter, I spoke with some other generator companies and they said my experience with Generator Supercenter is not uncommon from what they have heard from others customers that came to them after having a terrible experience with Generator Supercenter. I also contacted Costco to file a complaint and recommended they drop Generator Supercenter as a supplier because the quality and service from Generator Supercenter is negatively impacting the Costco brand and reputation. Save yourself a lot of frustration and wasted time and choose another company. read more

Michael P. was AWESOME!! He spent almost an hour changing plugs, oil, checking the battery and CLEANING the unit to almost factory new/fresh condition. He answered all my questions, gave me several pointers and thoroughly checked operations before reassembling the unit. Michael is personable, professional and a fountain of information! I absolutely recommend him for anything Generac related!! read more

Desaray Pena in the Service Dept. customer service was great. She was very helpful and well informed. She handled my issue expertly. read more

Very unobtrusive and respectful of property. Even left a nice site hanger letting me know generator was serviced and good.

Service advisor Deseray Pena was very helpful. She communicated well & scheduled my service appointment.

Terrible experience. Use ANY OTHER COMPANY except this one. Field crews do a good job. Sales and office staff (Rebecca) are terrible. Not sure why Costco uses this company. They average less than 2 stars on Yelp and BBB review sites. When the demand for generators ebbs, then maybe customer service will improve. read more