1. West Hills Construction

    1. West Hills Construction

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    Corona, CA

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    West Hills Construction

    5.0 (2 reviews)
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    OC Solar - Maximize your energy storage with the Tesla Powerwall 3. Property also features the sleek design of the Tesla Solar Roof

    OC Solar

    (465 reviews)

    I just got my solar installed with powerwall and it has been a mix bag of positive and negative but…read morehope the team can really improve for their customers with this review. Overall the team all seem to be doing their job and the execution is quick but the lack of customer communication is not up to par for a 50k project. It felt like I was the project manager all the time, following up on schedule, and then calling to verify. I had a feeling that the teams are split and everyone only does their job based on a scope and not as a team. Sometimes, I just want the truth on timing.... Bc Everytime I get a timing commitment, it's delayed and or no show and then also no updates. The project is still on-going with skirting, commissioning wasn't even done , painting of pipes/conduits... so will update accordingly. 8/6/26 : the team swiftly came the next day and finished painting and commissioning so I will add a star. 8/12/26: Just had a constructive discussion with Dayne and Savannah -- overall very positive. While my earlier frustrations were real, the conversation helped me better understand the complexities of the contractor side of the business. I also came away feeling that OC Solar genuinely puts care and attention into each project. The project isn't fully complete yet (inspections, skirting, and a few other items remain), but the overall execution moved at lightning speed and exceeded my own expectations. At the end of the day, it's the final result that counts so I will increase it to 5 stars.

    Project still in progress but so far so good…read more The quoting and onboarding process was great. Biggest hurdle so far was the HOA approval which is outside their control. I'll update this review later as the project progresses.

    SunLux - Broken tile fixed with chaulking instead of being replaced.

    SunLux

    (206 reviews)

    I am happy with the solar system I got through Sunlux. In October of 2025, I realized that the IRS…read moresolar credits were set to expire early at the end of the year due to the spending bill congress passed in July. I contacted 4 solar companies, and 3 said they could get the job done in time. Sunlux had the lowest price by $9,000 - $30,000. I liked that Mike Valencia is an owner, so I knew I was not working with a salesperson who might not be with me throughout the process. I purchased a 16 panel, 7.36KW, 2 Powerwall 3 system. From contract signing to Permission To Operate (PTO) took some time, but we got the system up and in service before December 31st. It did take almost 5 months from contract to PTO. Southern California Edison took 2 1/2 months to give us PTO. We did have some issues with communication at first. It turns out there was a key employee who was going through something. Sunlux hired an additional person to help. We then worked things out and communication has been great since. I noticed other reviews that remarked on communication. As far as I can see, that is resolved. I developed a good, friendly working relationship with Michael Valencia, Guillermo Santomauro, and Jessica Delgado. I also got along really well with the installers and technicians who came to my house. The installation and permit process did not go perfectly, but Sunlux took care of everything to my satisfaction, and to the satisfaction of my city (and we had a very particular inspector). If I saw something I did not like, Guillermo worked with me to make sure I was completely satisfied. Sunlux working with me to insure total satisfaction is why I gave them 5 stars. My safisfaction includes the very fair price, a good, safe system, and a company/people I feel confident with going forward. On my first bill reflecting a full billing cycle with solar, my Edison bill was only $10. I won't really know how well my system meets my needs until I have the air conditioning going full force during the summer. If needed, I will have a couple more panels and even another Powerwall added. For now my system produces far more power than I use. The only thing I don't like is having Tesla Powerwalls because Elon Musk's behavior and actions are contrary to my values. Sometimes compromises have to be made. They are good batteries. I feel confident recommending Sunlux, and urge others to consider them in their pursuit of Solar energy.

    Sunlux came out and determined that this particular outage was caused by a failed breaker, not a…read morefailed SolarEdge inverter. Sunlux corrected the breaker problem, and our system is now back online and producing. My concerns with SolarEdge remain. This is the largest of the five solar systems we have purchased, and we have experienced multiple issues with the SolarEdge system over the years. Most importantly, we received no push notification, email, or other warning when the system went offline and stopped communicating. We discovered the problem only after receiving an approximately $800 electric bill. When I called SolarEdge directly, I was told that they could not work with me as the homeowner and that I had to go through the installer. Fortunately, Sunlux ultimately came out and resolved the current problem, but SolarEdge's monitoring should have alerted us immediately that communication or production data had stopped. Our other four systems use Enphase equipment and have been more reliable and better supported. Based on our experience, SolarEdge's quality, monitoring, and direct homeowner support have been disappointing. On any future system, reliable automatic outage and communication-loss notifications will be an absolute requirement. Sunlux's willingness to come out, diagnose the problem, and restore our system has made an otherwise frustrating experience with SolarEdge much more manageable.

    Infinity Solar - Villa Park solar battery system

    Infinity Solar

    (295 reviews)

    I wanted to share my recent wonderful experience with my recent service visit with Infinity Solar…read more I purchased my system in 2024 (detailed review also done); during this time, my solar generation has been absolutely wonderful, and sized perfectly by Kay. My electric bill is essentially free over all of 2025 and this year. Some months have a $10 dollar bill, other months negative depending on how sunny each day is. I have had zero issues whatsoever and system works like clockwork. The installation over my tile roof, done through Terrazas roofing, partnered with Solar has also been top notch with zero issues with multiple major storms last year. I would say i was 110% satisfied with my decision to go solar and with Infinity solar. Fast forward to 2026. A series of recent power outages resulted in no power in my home. My initial thinking was that my system should have generated power with a fully charged battery during this outage. After calling Infinity, it was relayed that my system per contract was only set up for load shifting by design, lowering cost which I had decided on. After discussing 2 options to allow for backup power generation, i decided to proceed with the upgrade. Throughout the process, the entire team supported me exceptionally, starting with Sara who stepped in to help speak to me when the service department was not available at the time. As i did'nt understand my contract fully,, i reached out to Kay in sales, whom i did not speak to in 2 years, who really went above and beyond to explain to me in full detail how my system was set up, and options i had to upgrade. Kay treated me like family. I was so appreciative of her kind approach. She helped coordinate a technical call with Joel to fully answer all my technical questions. Once i decided i was comfortable with to proceed with the upgrade, the service team took over, with Vanessa and Brianna helping me schedule my service. Vanessa and Brianna work tremendously well together; super friendly, pleasant, professional and helpful. I requested looking into a couple options which Vanessa followed up on and accommodated without hesitation. A straight forward and exact quote was provided on Thursday. Their service and help was fantastic and greatly appreciated. Upon approving my quote on Thursday, my service was completed on the following Tuesday, much faster than I expected. Upgrade was performed by Ivan, electrician specialist. Ivan also initially setup my system in 2024. His expertise is perhaps, in my view, the finest in the industry. I felt very fortunate and appreciative knowing i hd my system in the best hands. He spent about 3 hours working on my system, explaining all the steps. Work performed was tremendous. Ivan patiently answering all my questions on some of the system parameters forgotten over the past 2 years. System was up and running and verified to work fully with a simulated power outage performed through the fuse box, and through the app. I was thrilled to now have backup power during outages. Billing and final payment was as quoted and super easy. In closing, the real mark of any business is how you are treated after the job is complete. My belief is that Infinity solar lives up to their reputation of being an exceptional 5 star company providing high expertise solar services through all phases of a project; sales, installation, commission, operational life, and post installation services. In a business of fraught with fly by night companies, Infinity Solar is a true gem. Solar done right with integrity, highest expertise, and exceptional, prompt service when called on. Thanks again to the entire Infinity team. 5 Star once again! Dave C

    Great service and communication. I highly recommend. If you need new solar or repairs, they are the…read morecompany to call. P

    Univercity Solar

    Univercity Solar

    (67 reviews)

    "Too good to be true."…read more Literally that was my thought throughout my recent experience with UniverCity. I'd been stalled for a year with Tesla and was giving up hope I could get my solar expansion project in before the tax credits expire. I reached out to a few local contractors, and these guys came under every other bid. In design, they managed to fit more south-facing panels with limited roof real estate, compared to two previous designs I received. Every other contractor said any new panels would be incompatible with my existing system, which was a problem since I wanted the full capacity for the batteries I was adding. UniverCity said no problem. It ended up taking them three times as long to get the two systems talking to each other and they had to try two new panels before they could get it to work. But they didn't change the contract on me. There were some hiccups at the end getting through inspection. But they were fair, received my feedback, and got me to the finish line. David, Frank, Aaron - thank you. Just a terrific experience all round.

    I do not normally leave negative reviews, but after nearly 10 years, I feel it is important to…read moreshare my experience. Before posting this review, I made every reasonable effort to resolve these issues directly with the company. I sent a formal letter over a year and a half ago outlining my concerns and requesting assistance, but I never received a response. More recently, I sent another detailed email, giving the company 14 days to respond with a plan to address these longstanding issues. That deadline has now passed, and once again, I received no response. This company installed my solar system in 2016. At the time of purchase, I was given expectations regarding the amount of energy the system would produce and the savings it would provide. Unfortunately, those expectations have never been met. In nearly ten years, my system has never produced the level of solar energy that was represented when I made this investment. As a result, I have spent thousands of dollars out of pocket on Southern California Edison bills that I reasonably expected my solar system would significantly reduce. Instead of receiving the savings I was promised, I have continued paying far more for electricity than I ever anticipated. What has been most disappointing is the lack of follow-through. The company has been aware of issues with my system for years, yet they remain unresolved. Despite numerous phone calls and emails over the years, I have received little to no communication, no meaningful updates, and no proactive effort to correct the ongoing problems. There were also issues from the very beginning. When my system was installed in 2016, I was never provided with the monitoring equipment that was supposed to come with it, nor was I informed that there was a monitoring app available. Without those tools, I had no way of monitoring my system's production or knowing that it was consistently underperforming. After years of phone calls and emails to the corporate office, I finally got someone to come out in 2023 to install the monitoring equipment that should have been installed from the beginning. It was only then that I learned there was an app that allowed me to monitor my system. During that same visit, the technician determined that my microinverters needed to be replaced. The replacement microinverters were shipped to my home, and the technician returned to pick them up for installation. However, the work was never completed. The technician left with the new equipment and never returned to finish the job. Despite additional attempts to follow up, I was once again left without answers or a resolution. I understand that mistakes happen and that every company occasionally encounters challenges. However, this is no longer a matter of a simple mistake or a temporary inconvenience. This has been an unresolved issue for nearly a decade. My goal has never been to leave a negative review. My goal has always been to have the solar system I paid for perform as it was represented and to have the company stand behind its product and installation. Unfortunately, after almost ten years, thousands of dollars in unexpected utility costs, years of unanswered phone calls and emails, an incomplete repair, and two formal written requests that went unanswered, I have been left with no meaningful communication and no resolution. I sincerely hope this review encourages the company to finally contact me, complete the repairs that should have been completed years ago, thoroughly evaluate my system, determine why it has consistently failed to meet the promised production, and stand behind the product they sold me. If the company reaches out with a genuine commitment to resolving these issues, I will gladly update this review to reflect that experience. I would much rather write about a company that ultimately made things right than one that chose not to.

    West Hills Construction - solarinstallation - Updated September 2026

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