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    Maxum Energy

    5.0 (5 reviews)
    Closed 8:00 am - 6:00 pm

    Services - Maxum Energy

    Solar system installation

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    California Solar & Electric

    California Solar & Electric

    4.9
    (114 reviews)

    California Solar and Electric. CS&E is simply the best. Call Mark Howe. Honest, reliable,…read moreprofessional, skilled and highly competitive. Best warranty and quality materials and labor. 949 637-9108. They are out of Santa Clarita. We are so happy and satisfied with our system and our bills have gone from $300 plus a month to less than $40 a month. Also when the power has gone out in our neighborhood the battery backup has saved the day. Stellar value, workmanship, professionalism and service plus a 25 year warranty. Highly recommended

    Within an hour of posting my initial review regarding a delayed referral bonus, the owner…read morepersonally reached out, apologized for the administrative oversight, and sent the $500 immediately. I really appreciate the direct accountability and quick resolution. I'm leaving my original review below for transparency, but their prompt response today restored my confidence in their management. I originally had a positive experience with California Solar Electric during my 10.12 kW solar and Powerwall 3 installation last year. Unfortunately, their post-install customer support and business ethics are nonexistent. I referred a friend who completed their installation months ago. I was explicitly promised a $500 referral bonus for this. After months of waiting, I tried following up multiple times privately to give them a chance to make it right, but I am now being completely ignored. It's a shame because I have several neighbors here in Fountain Valley who are currently shopping around for solar and battery storage. I was planning to refer them here, but I cannot recommend a company that fails to honor its own written agreements and ducks communication. Buyer beware: the installation team does good work, but do not trust a word management says about referral incentives or post-sale promises. Still waiting for my $500.

    Shelter Roofing and Solar

    Shelter Roofing and Solar

    4.8
    (144 reviews)

    Based on consistent good reviews, I contacted Shelter in August of 2025…read more We had experienced numerous electrical power outages for several years, so I began to investigate possible solutions. What I wanted ideally was a system that would automatically power our home in the event of a power failure. I initially looked at generator systems, but discovered several downsides to that technology. Generators need fuel, which could be be gasoline, diesel, or natural gas. Of these, natural gas was the most attractive, but that would require significant trenching for a new line around the house. In addition, placement of a generator was a problem, due to zoning requirements. Also, gasoline/diesel/natural gas generators have an internal combustion engine, which needs maintenance, like oil changes. The best solution for me was to have a battery backup system installed. This type of system is also known as a "power wall." Shelter recommended a 2-battery system made by FranklinWH (WH stands for Whole House). The batteries are 15 KWH each, for a total of 30 KWH. In our case, this is sufficient to power our home for 24 hours, even during the summer when we are using the central A/C. Other times of the year, 30 KWH would power everything for 48 hours or more. Since installation we have had several power failures, ranging from a few minutes to several hours. In all cases, the backup system kicked in so quickly that didn't even notice. We didn't even have to reset any clocks. When then grid power comes back online, the batteries recharge automatically. Shelter did a great job of understanding what we wanted, and provided an excellent solution. We had a very minor issue that we noticed several months later, and Shelter responded immediately to remedy the issue. I recommend Shelter Roofing and Solar without hesitation.

    I am looking at about 10 different excellent solar companies for a solar panel and battery system…read more I was interested in getting the new prepaid ppa and actually receiving the 30% of the system by using a 5 year lease and buyout by paying the full amount either cash or with my own Heloc. Jason was the one that came out and he did a smaller system quote for me and my wife. Jason couldn't for the life of him tell me how the system was even more expensive than not using a prepaid ppa. I was also ignored by phone calls and "I'll get back to you" was what he told me. I would stay away and use some other company that is very clear about how the new incentives work.

    Maxum Energy - solarinstallation - Updated August 2026

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