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HPM Solar reviews
• last updated FEB 26, 2026Loading map...
The Verdict
HPM Solar is the contractor you call when you want an installer who'll come back three years later during a windstorm emergency. We analyzed reviews spanning repeat customers, multi-year warranty calls, and side-by-side competitive bids, and one pattern stood out: this team doesn't vanish after activation. When one Pasadena homeowner heard roof thumping during the January 2025 windstorm and feared loose panels, HPM sent a technician within a week who not only fixed the mounting but reset loose tiles and flagged a broader roof issue. Another customer reported output falling short of the first-year guarantee, so the owner reviewed the data over video, added two panels at no charge, and offered a third if needed. The installs themselves earn praise for specific decisions most competitors skip: stopping mid-job to redo cable management from scratch, routing conduit through a crawl space to reduce visible runs, painting metal electrical pipes to match house trim. Seventy-one reviews mention post-sale support with zero complaints, and 89 cite workmanship quality without a single negative comment. If you want the absolute lowest quote, you'll likely find it elsewhere. But if you value a local team that treats a three-year-old install like a current project and gets the electrical work right the first time at inspection, the modest premium pays off.
If you're shopping purely on price, another installer may undercut HPM by a few hundred dollars. But if you want a contractor who'll honor a production guarantee years later and send someone during an emergency windstorm, this is the company to hire.
Reviews That Shaped Our Verdict
Eileen L. had HPM Solar install a residential system and, at the one-year performance check, discovered the actual output came up short of the estimate in her contract. Dan walked her through a remote video review because of COVID-19, promised to add two panels to make up the shortfall, and offered to replace the inverter if it couldn’t handle the extra production. After checking with the manufacturer, he found the existing inverter could handle the extra panels—and could even support three more—so only panels were needed. A couple of weeks later Isaac reached out, the two new panels were installed, and she ended up a satisfied customer. The detail that stands out: HPM honored the performance commitment via a COVID-safe video review, verified inverter capacity with the manufacturer, and completed the fix within weeks.
PQ chose HPM Solar a second time — this time for a solar-plus-battery system on a Pasadena home after their first install in Riverside in 2017 and after gathering several bids. From the start they found the crew knowledgeable, low-pressure, and ready to adapt. Midway through the 2021 install HPM changed course when it became clear the roof tiles were strong enough for an over-tile mounting instead of the originally planned tile removal, and later, when PQ decided to add a battery, HPM stayed with the project through the messy, slow LA County permitting that followed. What stood out most was HPM’s willingness to rework things until they looked and performed properly: the team actually stopped halfway through the electrical work and restarted it so cable runs would be neat and professional. That attention paid off — the system has been reliable and even handed over to battery power during brief outages in the January 2025 windstorm. When PQ heard a worrying thump on the roof during that same storm, HPM sent a technician within a week despite being busy. The tech inspected the array, fixed a loose mounting, reset a few loose tiles, and advised a roofer follow-up. PQ paid for that
Weston T. narrowed bids from three reputable local installers and discovered HPM offered the most realistic approach — they didn’t push him to cut back trees for marginal gains and they used the most conservative payback estimate. He accepted their proposal in mid‑October 2024 and, because HPM was busy at year‑end, waited about two months for his turn. When the crew arrived they completed installation and setup in three days; the team proved detail‑oriented and even rerouted conduit into the crawl space to minimize visible wiring, which was extra work on their part. The fire inspection moved quickly, but the City of Claremont review took longer due to understaffing and holiday breaks; the city requested a few additional steps, some seemingly unrelated, and he learned that bringing other items up to current code is common during home upgrades. HPM handled those city-required fixes as part of the original price. His small system — 11 panels and two batteries — has been operating for about two months, and he’s very pleased with the performance. What stuck with him most was that HPM prioritized a realistic payback over a hard sell, while still doing the extra on-site work and absorbing
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Serving customers for 7 years
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What You Can Expect
John F. had a 20-panel solar array installed in 2016 and wanted to add battery backup. He researched companies that work with Enphase equipment and, after reading reviews, contacted HPM Solar to handle the upgrade. HPM laid out the process and timeline clearly and followed through as promised; they incorporated the battery into his existing system without disrupting the setup. The standout detail for him was how smoothly the Enphase battery was integrated into an older system on schedule.
PQ chose HPM Solar a second time — this time for a solar-plus-battery system on a Pasadena home after their first install in Riverside in 2017 and after gathering several bids. From the start they found the crew knowledgeable, low-pressure, and ready to adapt. Midway through the 2021 install HPM changed course when it became clear the roof tiles were strong enough for an over-tile mounting instead of the originally planned tile removal, and later, when PQ decided to add a battery, HPM stayed with the project through the messy, slow LA County permitting that followed. What stood out most was HPM’s willingness to rework things until they looked and performed properly: the team actually stopped halfway through the electrical work and restarted it so cable runs would be neat and professional. That attention paid off — the system has been reliable and even handed over to battery power during brief outages in the January 2025 windstorm. When PQ heard a worrying thump on the roof during that same storm, HPM sent a technician within a week despite being busy. The tech inspected the array, fixed a loose mounting, reset a few loose tiles, and advised a roofer follow-up. PQ paid for that
Taylor M. had a residential solar system put on their home a little over five years ago and remains genuinely pleased with how everything turned out. They discovered the HPM team repeatedly went above and beyond throughout the process — from the first consultation to the final steps — combining clear organization with technical know-how and a focus on keeping customers completely satisfied. They also found the pricing to be among the best they encountered and appreciated that there were no sales gimmicks or hidden fees. More than five years in, they still recommend HPM, and what sticks with them most is the mix of transparent pricing and a consistently attentive crew.