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ParagonSun handles the entire solar process without surprises or upselling. We analyzed reviews spanning eight years and found the same project manager, Cori, still answering calls and troubleshooting systems she installed in 2017. In 2024, when a Southern California Edison technician accidentally disconnected a homeowner's battery during a meter upgrade, Paragon had a tech onsite before the next day's heat wave hit. The household kept working with the AC running while neighbors lost power. Reviews show 86 mentions of proactive project management, including permit chasing, utility coordination, and same-day roof assessments. Sixteen reviews describe non-pushy sales calls where Cori explained tax incentives and interconnection agreements without rushing a decision. The company sources specialized hardware when standard parts won't work (clips for standing-seam metal roofs, replacement monitoring systems from Amazon when Enphase units fail). When problems surface years later, Paragon steps in even if they didn't install the original system. The $475 service-call fee is steep, but reviews show techs arriving on time, diagnosing issues in high winds, and leaving detailed explanations.
If you want an installer who'll troubleshoot your monitoring system six years after the panels go up, or dispatch a crew before a heat wave to fix what the utility tech broke, Paragon is worth the premium. You won't get the absolute lowest quote, but you'll get a project manager who answers her phone in 2025 about a system she sold in 2017.
Mark H. has had a residential solar system for about five to six years and recently ran into a hiccup when his monitoring stopped working. Cori at Paragon took the lead, spending several weeks troubleshooting remotely and trying different fixes with him. When those attempts failed, she arranged for him to buy a replacement monitoring unit from Amazon for roughly $600. The part showed up within five days, a Paragon crew came for a service call, handled blustery winds, fussed over his dogs, and swapped in the new unit — restoring monitoring that same day. Cori, who has been his primary Paragon contact since installation, stayed engaged through every step, communicating clearly, isolating the issue, and following through to a practical, timely solution. He ended up with a working system after a relatively small out-of-pocket part and a single service visit — and a long-term company rep who stayed on the problem until it was fixed.
Fazri decided in late 2021 to install solar panels and a backup battery on his home to lower electric bills and keep both him and his wife working during outages. A few months after the install, a heat wave and neighborhood power cuts put the system to the test. Just days before the heat wave, a SoCal Edison tech upgraded the meter and accidentally disconnected the battery, leaving them without backup. He called Paragon Sun and they sent a technician out promptly; the crew restored the battery system in time for the next-day outage. Because of that fast response, he and his wife kept their A/C running and were able to continue working uninterrupted. What stood out was Paragon’s high-touch service — designing the system to fit their needs and staying available months after installation to resolve an emergency that otherwise would have cost them a workday.
Richard needed a replacement Enphase microinverter for a 10+ year-old PV system after his original installer went out of business. He called several firms that refused to touch systems they hadn’t installed, but ParagonSun stepped in and agreed to take over maintenance. Enphase mailed the warranty replacement to him, and ParagonSun dispatched Marvin, who arrived right on time and worked efficiently and cordially to swap the unit. Because the array is so old, a small glitch surfaced after the swap, but it cleared up quickly once he reported it. Throughout the process his main contact, Cori Larsen, handled questions before and after the invoice was paid, answering by the end of the day and sometimes within an hour. The service call fee was $475 — on the high side — but for a company willing to adopt an orphaned system and deliver that level of responsiveness, he judged it money well spent.
Passed screening
Passed screening
Operating longer than most installers in the market.
Not BBB rated.
Reviews were posted naturally over time.
Josh’s solar setup had already been in place for years when he turned back to Paragon Sun, and that long-running relationship became the real story. After the original installation, he kept finding the team helpful and responsive whenever warranty work came up, but Corey stood out most when it was time to add a battery system. Corey took the time to listen, walk him through the options, and give guidance that went further than what Josh had found elsewhere. What he ended up with was a company that kept showing up long after the first install, especially when the battery upgrade needed patient, practical support.
Mark H. has had a residential solar system for about five to six years and recently ran into a hiccup when his monitoring stopped working. Cori at Paragon took the lead, spending several weeks troubleshooting remotely and trying different fixes with him. When those attempts failed, she arranged for him to buy a replacement monitoring unit from Amazon for roughly $600. The part showed up within five days, a Paragon crew came for a service call, handled blustery winds, fussed over his dogs, and swapped in the new unit — restoring monitoring that same day. Cori, who has been his primary Paragon contact since installation, stayed engaged through every step, communicating clearly, isolating the issue, and following through to a practical, timely solution. He ended up with a working system after a relatively small out-of-pocket part and a single service visit — and a long-term company rep who stayed on the problem until it was fixed.
Mark Hodge has run his home solar system for about five to six years and has been very pleased with its performance. When his monitoring stopped reporting recently, Cori at Paragon stuck with the problem for several weeks, methodically troubleshooting each error until they exhausted remote options. They ultimately decided on a replacement monitoring unit — he ordered a roughly $600 device from Amazon, which arrived within five days. A Paragon service crew came out, battled windy conditions, charmed his dogs, and installed the new unit; within one visit he was back to seeing real-time data. The lasting detail for him wasn’t the quick part replacement but that the same Paragon contact who’d supported him for years stayed engaged through troubleshooting and then coordinated the hands-on fix in the field.
Cecile hired ParagonSun for a two-phase install on her home and ended up with a substantial setup: 47 panels, seven batteries, and a dedicated EV charging panel installed between December 2022 and May 2024. The first system — 32 panels and three batteries — went live in December 2022, and she added a fourth battery in March 2023. A second system of 16 panels and three more batteries followed in May 2024. Systems from the first phase are operating under NEM 2.0; the second system was delayed until Southern California Edison issued guidance that would allow adding panels with batteries without forcing both systems onto NEM 3.0, provided the newer system is configured not to export; final utility approval on that setup is still pending. ParagonSun managed the job end-to-end: engineering drawings, permit paperwork, on-site meetings with the city inspector, submissions to the utility, and even coordinating roofers when System 2 required roof work. Cecile discovered that estimates held steady — the initial quotes matched the final bills — and electricians worked cleanly and efficiently; she singled out Josh for particularly careful work and appreciated the cosmetic touch-ups. The company
jmstarkca celebrated one year with solar and discovered the system produced just a bit more energy than they used. Looking back on the experience, what mattered most was how smoothly the install and commissioning went — Paragon Sun kept communication tight, each step stayed clear, and every milestone finished within the promised timeframes. The whole process felt unusually stress-free; steady updates and reliable scheduling meant no last-minute surprises or “curve balls.” After a year of clean production and an easy setup, they regret only that they waited so long to switch to solar.
Joseph S. celebrated the first anniversary of an 8-panel solar installation and ended the year having produced slightly more electricity than he used. He had been apprehensive about the results before going forward, but the installation and activation proceeded smoothly and, once the system went online, he felt a real sense of power and control over his energy. Producing his own electricity gave him a tangible feeling of achievement and security, and the financial impact cut his utility bills down to almost “free” electricity. His only regret was waiting so long to make the switch, but he’s glad Paragon made it work — the small annual surplus of energy is the detail that keeps him satisfied.
Ronald came away from his home solar project with ParagonSun impressed by how smoothly the whole job unfolded. From the first conversations, the team stayed responsive and kept him in the loop at every step, so he always knew where the project stood. The install itself moved along efficiently, with a professional crew handling the work without drama. What stood out most was how thoroughly they took care of the behind-the-scenes pieces afterward — the follow-up, paperwork, photos, and app setup that can turn a solar project into a headache. The only delay came from waiting on SCE approvals, something outside anyone’s control, and once that cleared, the rest of the process had gone well enough that the administrative finish made just as much of an impression as the panels on the roof.
Kelby reached out to Paragon Sun in the summer of 2024 to refresh older solar equipment and add a battery system to a high-usage home that leaned hard on electricity for internet, streaming, hobbies, and a fairly intricate home network. The biggest challenge wasn’t the hardware itself so much as the clock: the federal energy credit was set to expire at the end of 2025, and both manufacturers and SCE were backed up. Cori stayed on top of the whole process, helped him sort out exactly what he needed, and kept everything moving until the system was finally up and running by the end of 2025. Her team made the installation feel smooth, with Victor handling the day-to-day work on site and earning praise for being both capable and pleasant. After a couple of months online, the upgraded setup was doing exactly what it was supposed to do: the Enphase batteries kept them off SCE during expensive hours, the solar covered most of the rest, and the family was pulling very little power from the grid. The part that made the new system feel especially smart was its weather response — when a severe wind alert hit overnight, it automatically charged the batteries to 100% and sent an email to let him
When one micro-inverter failed on Grant Macgregor’s rooftop PV system, he ran into a common post-installation problem: the original installer, Altair Solar, was already out of business. He reached out to ParagonSun in Irvine and found a team that moved quickly, first getting access to monitor the system through Enphase and then handling the warranty claim for a replacement micro-inverter. Once the part arrived, they came back for the repair and used the visit to do more than just swap equipment. Willie, the technician, inspected the junction boxes and drilled drainage holes in the bottoms to bring them up to a newer electrical code requirement, then took time to answer Grant’s questions about adding a battery to store excess solar production for nighttime use instead of sending it to the grid. The whole exchange was marked by clear communication and a steady, professional manner, with the added reassurance that ParagonSun also works on storage batteries and EV chargers.
Long-term satisfaction for Paragon Sun holds steady at 5.0 ★. This is better than 85% of installers we looked at.
Long-term reviews carry the most weight in our methodology because they are most representative of what you should be paying for: a system that will perform for years.