Review Time
I invested over $70K in a solar system for my home in Hawaii, and I've faced ongoing problems. Updates frequently take the system offline, and I only find out it's down when I receive my electric bill. Repairs either involve my own troubleshooting or the support team remotely attempting a "fix". My latest issue involves the BMU being down, which is affecting half of my solar batteries, and the entire cabinet isn't storing energy. When I contacted my dealer, he mentioned he was too busy with year-end installations to assist. I reached out to the support team, only to be told to contact other dealers for assistance, as the department I called doesn't coordinate with the dealers. Their communication system is really flawed. To top it off, it's estimated to take 4 to 6 weeks to receive replacement BMUs, and who knows how long it will take for installation afterward. I recently purchased an electric car and wanted to charge it using my home system! I wish I had chosen a different option; at least my car is working great. I just hope the company can resolve these issues soon.
Purchased a whole home generator that was installed in August of 22, first hurricane that came through generator failed, 15 total hours used, 9 hours were weekly maintenance runs, 6 hours of power and generator failed. Generator failed in July 23, took until October 23 to get repair under warranty. Generator recently failed again FOR THE SAME REASON. The part Generac sent out to repair first failure was the same model/make part that failed the first time. It has failed again, I'm now 3+ years after paying for 'peace of mind with a whole house generator' and I don't have a generator.
I spent over $70K on solar for my house, powered by Generac here in Hawaii and have had repeated issues. At times they do updates, which takes the system down regularly and I don't discover it's down, until I get my electric bill!!! Then it gets fixed either by me troubleshooting or them dialing in with a "fix". My latest issue was that the BMU is down taking half my solar batteries with it. The entire cabinet is not storing any energy! So I call my dealer and he says he's too busy with year end installs to even call Generac. I call Generac and they say to call around to other dealers for them to call Them (Generac) back... because the department I call is not the department the dealer calls and the two do not communicate with each other and nothing can be done for me till A Dealer calls them. Their system is really screwed up. Oh and here's the best part... it is going to take 4 - 6 weeks to get the replacement BMUs, then it needs to get to my dealer and then who knows how long before he'll install it. Great :(, I just bought an electric car and I wanted to charge it up off my house system!!! I guess I should have bought TESLA instead, the car is running terrific!!! All I have to say is I hope Generac gets their SHi..t together.
I purchased a Generac Seris 5837 7000 watt generator complete with a transer switch in August 2011. I had it installed by a competent person who wired it to run everything in the house except the AC unit. Through the 14 plus years it has been reliable to auto start and run 12 mins weekly under no load. Also it has never failed to auto start & operate during a power outage. I have done the required annual maintenance, replaced the starting battery 3 times, and replaced the starter solenoid once. I see several negitive reviews which I don't quite understand since my unit has been pretty much trouble free for all these years.
Do NOT buy a Generac Gwhole house for features, WiFi remote monitoring,, It does not wotk for any length of time.It seems that Generac Whole house Generators that have WiFi capabilities is a joke.. They just hobbled this feature together to use as a sales tool. The WiFi modules do not last long. I have had 2 replaced in the last 2 years , PS.. Generac did away with the WiFi module and going back to cell 4G device which will come with a monthy fee.there SHOULD be t class action lawsuit specifically for defective Generac generator Wi-Fi modules,
When the green light is on, the generator should work. Well, it didn't on August 16 when we lost power. It kept cycling on and off. It turns out that the battery was weak. The issue is the green light never went red to warn us of this weak battery. If we had seen a red light, we would have acted to get the generator fixed to prevent the failure we experienced. We can no longer trust that the green light is anything other than a green light -- it means nothing! Bottom line is that we have paid a ton of money for a piece of junk that takes up a big space on our property. What's the point of having a stand by generator that doesn't work when it's needed?
Generac ReviewSUMMARY:MODEL: G00720910SIZE: 24KwPURCHASED: 2025-07-31DELIVERED: 2025-08-07INSTALLED: 2025-08-12REPAIR ATTEMPTS: 6TOTAL INVESTMENT (INCLUDING LABOR): Approximately $13,000On July 31, 2025, I purchased a new Generac generator from Lowe’s in Houston, TX. The generator has never functioned properly since the date of installation. Despite multiple service visits by 2 different independent service companies authorized by Generac, the generator has not been repaired and remains non-operational since its purchase 2 months ago. One week after installation we incurred a power outage but still had no power with a brand new Generac in our yard. Meanwhile, we are making monthly payments for a generator that is completely useless.The reason the generator didn’t work is because it was spewing oil as soon as it turned on so therefore, it could not be used or the engine would simply overheat and cause irreparable damage. There were several service trips where various seals and head gaskets were replaced. But upon the last attempt to fix the generator, it was discovered that the actual engine is cracked (I have video of the engine running with oil seeping out of the crack). Throughout this process I did my best to allow Generac to exercise their standard restoration process, allowing for repeated repair visits although there was no apparent progress whatsoever. After getting this issue escalated two levels, I communicated with someone (initials R.L.) in the Appeals & Grievances (A&G) department. But at this point (given the diagnosis of a defective engine on a brand new model, still under warranty), I made it clear that I was only interested in a complete replacement of the generator. But Ms. R.L. wanted to continue scheduling additional repair visits, apparently to no end. When I refused to go that route any further and inquired as to alternative solutions, she stated that my appeal would be reviewed and then a decision would be made. During one of those recorded phone conversations, Ms. R.L. stated to me that she did not know who would be involved in the decision, the factors they would consider, or the holistic list of options available but yet she knew that total replacement was not even up for consideration. How could she know so little about the review process, yet know definitive outcomes?After about 2 months of dealing with a non-function ing generator, I still wanted to give Generac a fair chance to make this situation right. So I mailed a certified letter to Generac Headquarters letting them know that I would give them an additional 14 days to bring forth an equitable resolution to this matter. The letter stated that after the 14 days had expired, I would be escalating this issue beyond that of their process and that is why I am sending a warning to the public, particularly to those who are considering making such a large investment in something that could possibly be life-saving if a home owner has medical needs that require power in times of inclimate weather where traveling to a hospital is not an option. For what it’s worth, I also sent a certified letter to Lowe’s Headquarters requesting the same resolution. I have yet to hear back from Lowe’s. Even though several Generac customers may come forth to exclaim the wonderful service they have received from their generator, my point is simply that this has not the experience that I have had. And despite the first-hand recommendations that I received to make this purchase, it is obviously not the experience of many others as consumer review websites show a 1.7 star rating for Generac. Just remember that there are other options out there. I don’t want anyone else to have the experience that I continue to fight. I would not recommend Generac to anyone, this has and continues to be a nightmare. I have pictures showing 1) the generator on the day it was installed with oil spilled all over its surface, 2) the apparent engine crack with oil leaking from it, and 3) it’s current condition - disassembled in my yard and completely useless.
Worst company ever, I bought over 80K cash in Pwrcell equipment with standby generator in Dec of 2022. Still does not work in 2025, never has worked and they just keep sending people out here to do nothing. I was part of the BETA test program and assured by Generac I would be upgraded if anything needs it to ensure the system would work. I live in SW FL and so far during every power outage this thing just fails and the inverter trips and fails. Major run around, never buy this Pwrcell junk, just get a regular generator and skip the green energy nonsense. Try Briggs and Stratton, better equipment and better warranty.
Do not buy a Generac solar system. It’s junk. We live in Hawaii and have had a Generac solar system for the past 5 years. It has malfunctioned 10 times. Each time, it takes a month or more for parts, and the only company that services it doesn’t want to do it anymore. Generac used to be based in Wisconsin and had a 24 hour help line we could call to reset the system EVERY DAY while we waited for parts. They have now moved to Canada, 6 hours ahead of us. The system isn’t discharging at night. Since they are so far ahead of us timewise, now we can’t get it reset when we need it. It’s been over a month since we were told a part was sent. We are really frustrated and don’t know what to do at this point.
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