Sunfinity Renewable Energy reviews
• last updated FEB 26, 2026Loading map...
The Verdict
This company has largely abandoned its customers. We analyzed reviews spanning seven years and found a clear pattern: Sunfinity delivers a competent installation, then disappears when something breaks. In one particularly bleak example, a homeowner had a defective battery delivered two years ago that was never installed, and the company has since gone silent on all contact attempts. Another customer discovered dangerous wiring issues after installation, a rat's nest of fire hazards that passed city inspection but required hiring a separate electrician to fix. The post-installation collapse is near-total. Twenty-one reviewers describe unreturned calls, dead voicemail boxes, and broken promises of 24/7 monitoring that never materialized. Multiple customers report systems producing half the promised energy output, and when they reached out for answers, they hit a wall of silence. Early reviews praised quick timelines and professional crews, but those same customers often returned years later to update their ratings after realizing the company had effectively ghosted them. We also noticed the promised monitoring is either fictional or ignored: systems threw faults for months without Sunfinity noticing or reaching out.
If you value post-installation support or any form of warranty accountability, avoid this company entirely. The installation may go smoothly, but the moment you need help with underperforming panels or a failed component, you're on your own.
Reviews That Shaped Our Verdict
Matt bought a solar-plus-battery system from Sunfinity in early 2018 for his home and quickly discovered the battery backup never worked. LG flagged the original battery as defective and a replacement was delivered more than two years ago, but that new unit was never installed and shows no communication with the solar array. A technician diagnosed a faulty main panel that needs replacing, and Sunfinity has documented that diagnosis — yet the company never completed the repair. He spent years chasing them, and the system now throws fault errors across the board while the only listed phone number goes straight to voicemail and gets no response. Having paid in full, he’s left with a nonfunctional backup and a replacement battery sitting unused on site for over two years.
Kristin joined Sunfinity on a spur-of-the-moment decision and, at first, the whole process felt smooth: the crew handled a couple of small hiccups, the project manager Jeff stayed on top of every detail and answered questions quickly, and she enjoyed watching production tick up on the system’s app in those first months. But almost five years later she discovered the system was producing consistently less than half the energy Sunfinity had predicted. She reached out to Sunfinity several times and was repeatedly told everything was working properly, so the only remaining conclusion was that the company either intentionally or unintentionally oversold the expected output. The standout memory is the contrast — a very professional, responsive installation experience up front, followed by persistent underperformance and no resolution from the installer — so Kristin’s takeaway for future buyers is to demand clear, documented production expectations and follow-up testing before and after signing on.
Jeff had a rooftop solar system installed in 2016 for well over $20,000, and what stands out is not a single technical failure but the company's present silence — unanswered calls, emails, and what he describes as a zombie voicemail system that never really returns messages. After years of intermittent problems, he now finds Sunfinity unreachable while the array sits offline again. Early on both SMUD and the City of Sacramento signed off on the panel work, but a later electrician hired for unrelated work discovered a hazardous “rat’s nest” of wiring with multiple instances of double‑tapping. He paid the electrician to clean it up and Sunfinity reimbursed him after he provided photos, yet he notes that without that other contractor he would have been left with a potential fire hazard. During hot seasons the system began throwing faults and went long stretches without generating. At that stage Sunfinity still answered calls, but their troubleshooting often boiled down to telling him to power‑cycle the system until someone eventually came out and resolved the issue. The company had also promised 24/7 Internet monitoring, but the monitoring either never happened or never translated—n
Platforms Monitored
Performance by Work Type
How We Got To Trust Score 36
Clean Record
Unauthorized Activities
Passed screening
Misleading Claims
Passed screening
Background Check
Serving customers for 10 years
Operating longer than most installers in the market.
BBB Rating: D-
Poor BBB standing. Significant complaints.
Natural Review Patterns
Reviews were posted naturally over time.
Contractor License
License information could not be confirmed.
What You Can Expect
Jeff had a rooftop solar system installed in 2016 for well over $20,000, and what stands out is not a single technical failure but the company's present silence — unanswered calls, emails, and what he describes as a zombie voicemail system that never really returns messages. After years of intermittent problems, he now finds Sunfinity unreachable while the array sits offline again. Early on both SMUD and the City of Sacramento signed off on the panel work, but a later electrician hired for unrelated work discovered a hazardous “rat’s nest” of wiring with multiple instances of double‑tapping. He paid the electrician to clean it up and Sunfinity reimbursed him after he provided photos, yet he notes that without that other contractor he would have been left with a potential fire hazard. During hot seasons the system began throwing faults and went long stretches without generating. At that stage Sunfinity still answered calls, but their troubleshooting often boiled down to telling him to power‑cycle the system until someone eventually came out and resolved the issue. The company had also promised 24/7 Internet monitoring, but the monitoring either never happened or never translated—n
Prissy R. signed up for solar about three years ago after a sales presentation with a graph projecting her system would produce 100% of her electricity and eliminate a monthly bill. She ended up with 36 panels on a 1,500‑square‑foot house with a sunny, tree‑free backyard, yet still receives two monthly charges: the regular electricity bill to Green Mountain and a loan payment for the panels. She discovered the system never delivered the promised output, reached out to complain, and had her emails ignored. The detail that lingers: instead of achieving a no‑bill outcome, she’s been left paying both the utility and the solar loan every month and struggling to get the company to respond.
Projects left a one-star review after discovering the company has become effectively inactive and stopped supporting customers. They found that after‑install help vanished after about two to three years, and both customer service and sales lines now go unanswered. Homeowners who already had systems installed ended up facing what felt like a sunk cost because no one responds to follow‑up calls. On 4/12/22, attempts to reach the listed phone number and the named contact came up empty — the number and person appeared non‑existent. The sharp takeaway: confirm the installer is currently operating and that listed phone contacts actually answer before committing to an install.