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Solar Harmonics will respond to your 31st email with the same patience they brought to your first. We analyzed nearly a hundred reviews and couldn't find a single complaint about follow-through, a pattern so consistent it borders on unbelievable until you see the specifics. Owner Jamie Duran once emailed a customer to report their inverter had failed before the customer even knew, then scheduled a replacement crew the same day. Another homeowner watched their August bill drop from $454 to $72 after installation. What sets this company apart is twofold: Jamie walks customers through system sizing without upselling (47 reviewers noted he helped them buy the right system, not the biggest one), and his crew treats aesthetics like it matters, routing conduit across an entire roof to avoid visible runs or painting it to match multi-tone siding. The company also takes on rescue work other installers won't touch, replacing failed components from long-dead competitors when no one else will return a call.
If you want the cheapest quote in town, keep shopping. But if you want an installer who'll monitor your system after the check clears and fix problems before you notice them, Solar Harmonics is worth the premium.
Kevin had a two-year-old solar setup when an email from Solar Harmonics arrived, alerting him that one of his inverters had malfunctioned. Before he even noticed anything wrong, Jamie had already begun fixing the issue — a level of proactive monitoring that became the standout of his experience. He also reconfigured his home comfort strategy, adding split HVAC units so he only heats and cools the rooms he occupies. That change, combined with the solar output, pushed his gas usage down so the monthly gas bill is now mostly just the water heater. The panels generate 100% of his electricity needs — and that includes charging his electric car. The payoff hit a practical note last year when he used a PG&E bill to get his California Real ID; the DMV clerk was incredulous at how low the bill was and asked how he managed it. What sticks with him most is the invisible safety net — a fault was detected and repaired before he knew there was a problem — and the everyday proof of that performance: a tiny PG&E bill that even a DMV clerk found hard to believe.
Julie S. went back to Solar Harmonics five and a half years after her original installation to add a few more panels to her rooftop system. She handled everything by email with owner Jamie, firing off 31 messages and getting prompt, patient, technically clear answers about panel choices, pricing, and layout every time. The whole job — from quote to install — felt smooth; the technicians arrived professional, knew exactly what they were doing, and completed the expansion without issues. She ended up with a larger array and is already looking forward to the extra energy it will produce — the detail that stuck with her was that Jamie never once treated her like a pest, no matter how many questions she asked.
Andrea S. lived with an aging, underperforming solar array on her Bay Area home that had sputtered along for more than six months—higher PG&E bills, mounting frustration, and many fruitless calls to local installers. Most companies refused to touch a system they hadn't installed (especially when the original company, Akeena/Andalay, no longer stood behind the work), so the array felt like an orphan—until she met Jamie Duran, the owner of Solar Harmonics, who stepped in when everyone else walked away. Jamie and his crew took on a messy, puzzle-like job: untangling legacy equipment, diagnosing a failing, outdated inverter, and negotiating with Andalay, which proved obstructive and even wanted several thousand dollars just to cooperate. Andrea had hoped to move to microinverters for longevity, but complications with Andalay pushed the team to a different route. They secured a Fronius replacement inverter that offset some upgrade costs and ultimately installed an SMA inverter plus a modern monitoring system. The work demanded creativity and grit—the crew pulled panels, traced wiring, and put together a solution that got the system not just working, but producing more than it had in
Passed screening
Passed screening
Among the longest-standing installers in the market.
Excellent BBB standing. Strong complaint resolution.
Reviews were posted naturally over time.
Five years after his installation, Robert remains delighted with his solar system and with the ongoing support from Jamie. He’s in the process of buying a new house and checked with Jamie whether Solar Harmonics covers that neighborhood; Jamie confirmed coverage and volunteered to help transfer the system warranty and monitoring to the buyers of his current home when it sells. He plans to have Solar Harmonics install panels on the new property — reassured by five years of reliable performance and by Jamie’s hands-on help moving the warranty and monitoring.
Laura S. chose Jamie and Solar Harmonics for a solar installation in 2014, and what felt like a big upfront cost quickly paid off when her monthly electric bills fell to about $15. She watched the system perform reliably for years with no maintenance problems and panels that held up well. When she put the ranch-style home on the market, the solar array became a major selling point for buyers looking to cut utility costs, especially as heat and smoky air in the area made running the air conditioning a necessity. Jamie stepped in with hands-on service to make the transfer of ownership straightforward for the new owners. What stuck with her most was those tiny $15 bills and how smoothly Jamie handled the handoff to the buyers.
Julie S. went back to Solar Harmonics five and a half years after her original installation to add a few more panels to her rooftop system. She handled everything by email with owner Jamie, firing off 31 messages and getting prompt, patient, technically clear answers about panel choices, pricing, and layout every time. The whole job — from quote to install — felt smooth; the technicians arrived professional, knew exactly what they were doing, and completed the expansion without issues. She ended up with a larger array and is already looking forward to the extra energy it will produce — the detail that stuck with her was that Jamie never once treated her like a pest, no matter how many questions she asked.
Kevin had a two-year-old solar setup when an email from Solar Harmonics arrived, alerting him that one of his inverters had malfunctioned. Before he even noticed anything wrong, Jamie had already begun fixing the issue — a level of proactive monitoring that became the standout of his experience. He also reconfigured his home comfort strategy, adding split HVAC units so he only heats and cools the rooms he occupies. That change, combined with the solar output, pushed his gas usage down so the monthly gas bill is now mostly just the water heater. The panels generate 100% of his electricity needs — and that includes charging his electric car. The payoff hit a practical note last year when he used a PG&E bill to get his California Real ID; the DMV clerk was incredulous at how low the bill was and asked how he managed it. What sticks with him most is the invisible safety net — a fault was detected and repaired before he knew there was a problem — and the everyday proof of that performance: a tiny PG&E bill that even a DMV clerk found hard to believe.
Joe T chose Solar Harmonics after digging into options and following his son’s strong recommendation, hoping to finally stop paying an electric bill on their multi-colored roof ranch home. He connected with Jamie and watched him take charge — sizing a system to meet their specific goals, pulling permits, securing HOA approval and arranging materials so the owners didn’t have to worry about the details. The installation crew arrived professional and efficient, even painting conduit to blend with the roof and siding so the array looked intentional rather than bolted on. The utility flipped the system live within 24 hours, and Jamie stayed in close contact for the first weeks, checking production and answering questions; when small issues came up, they were usually resolved within hours the same day. Three-plus years later the system is still running and the family enjoys living comfortably without an electric bill. He welcomes conversations with anyone considering solar and can be reached at j_newhorizons@yahoo.com.
Jason partnered with Curtis and Jamie at Solar Harmonics to install solar on his townhome, and a year later he’s still very pleased with how it performs. The team pushed through the tricky HOA approval process, handling paperwork and requirements so the project could move forward on a townhouse roof. They stayed in steady contact during the whole process, with consistent outreach and follow-up that kept things on track. He valued their thorough, balanced walkthrough of different panel types — the pros and cons that mattered for his situation. Even with a relatively small array, the system produces more than enough during the sunny season, which is important because he and his wife run the A/C liberally. The takeaway that stuck with him was the crew’s persistence with the HOA and a setup that reliably covers heavy summer cooling.
Two years after the first installation, Sean B. brought the company back to relocate panels and add EV charging outlets to his home. He ended up with competitive pricing, quality workmanship, and a team that stayed flexible with scheduling and even tossed in small extras to make the project cleaner. The crew monitored the system after installation and proactively fixed issues as they appeared. Jamie proved unusually responsive and easy to work with, and both the installers and schedulers handled the job smoothly. The electricians stood out — one spent an entire day routing power across the roof so exposed conduit wouldn’t spoil the house’s appearance, and an electrician named Brian showed him how to fix an unrelated electrical problem at no charge. He considers himself picky but came away genuinely impressed; what he still points to is the crew’s attention to preserving the home’s aesthetics during the install.
Steven K. had explored solar a few years earlier but walked away when a rep seemed more interested in closing a sale than in what would actually work for his household. This time Jamie dug into their real energy usage, designed a system sized to meet—without over-engineering—their needs, and sat down to walk them through the expected savings and the peace of mind the investment would bring. Jamie’s low-pressure approach and clear communication built trust, and a strong warranty made the decision easy. He ended up having Solar Harmonics install systems on both his home and his business — the most memorable detail being that careful sizing and straightforward explanations turned a skeptical shopper into a repeat customer.
Gordon hired Solar Harmonics to put 19 solar panels and Tesla Powerwall 3s on his Antioch home, and from the first contact he noticed the team treated him like a person rather than another lead. He discovered Jamie and his crew were responsive, upfront about costs, and never pushed extras; the install crew showed up on time, worked cleanly and left the property spotless. The system went live without glitches—panels look sharp, the Powerwalls have performed flawlessly, and the app setup made monitoring straightforward. What stood out most was the combination of transparency and hands-on care: a punctual, tidy crew and an installation that simply worked from day one. He and Jana walked away with reliable backup power and an easy-to-use monitoring setup they still appreciate.
Long-term satisfaction for Solar Harmonics holds steady at 5.0 ★. This is better than 76% 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.