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Haven Energy gets high marks for patient, knowledgeable sales reps, but the post-sale experience can collapse without warning. We analyzed over a hundred reviews and found 38 people praising David Kimball by name for clear explanations of California's SGIP battery program. One homeowner who hired them for a battery-only install, though, watched their SGIP application expire due to Haven's delays, then lost $9,000 in NEM1 benefits when they were forced onto NEM3. Another waited three months for installation, repeatedly emailing about incorrect permit documents, and got no response until leaving a public review. When installation issues did surface (messy wiring, improperly placed sensors), customers had to troubleshoot alone. In one case, a homeowner reported ceiling water stains a week after install, got silence from Haven, then watched their ceiling drip "like a waterfall" when it finally rained. The 81 reviews citing smooth project management tell a different story than the handful describing total communication blackouts, but those blackouts led to verifiable financial harm.
If you value an articulate sales process and can handle post-install problems yourself, Haven's battery expertise may work for you. But if you need responsive support after signing, the risk of being ignored during permit snags or damage claims is too high to justify the gamble.
Jaye C. spent more than a year trying to get a battery-backed solar system in place and ended up with a working system but a ruined incentive plan and months of frustration. She discovered the biggest damage early on: Haven Energy bungled the SGIP paperwork so badly that an application submitted in March 2024 effectively expired during the NEM1-to-NEM3 transition, costing her the roughly $9,000 in NEM1 value she had counted on. That single failure transformed the project from a calculated investment into a loss — the rebate options left after the refile leave the battery with almost no realistic return, and Haven Energy declined to accept responsibility for the hit. The installation itself finished in June 2024, but she walked away fixing problems the crew left behind. Wiring arrived messy and misconfigured; she removed improperly installed voltage sensors and corrected CAN wiring herself after being bounced between Haven and FranklinWH for more than a month. Testing and oversight never materialized, and repeated attempts to get post-installation support produced little more than silence. Communication became its own ordeal: hundreds of emails, calls and texts often went unread
Albert started this installation in mid‑2025 and ran into slow responses and a muddled system layout that ignored design guidance; he kept getting passed around and couldn’t get anyone to take ownership. By October Haven finally sent a crew and the panels went up, but a week later he found water marks on the ceiling and emailed for an immediate inspection — no one answered. Another week went by and, on the first rain since the install, he watched his ceiling begin “dripping like a waterfall.” Because Haven didn’t act on his earlier report, what began as a stain escalated into significant water damage. He ended up with a repaired roof no sooner than needed and a lot of avoidable stress and heartache.
Elliott Latorres worked with David Kimball at Haven Energy on a solar-plus-battery installation and came away impressed by how straightforward the whole process felt. He discovered David knew the SGIP program inside out and patiently walked him through the paperwork and how the incentive would affect the system design. The sign-up moved quickly, communication stayed consistent, and the installation delivered exactly what David had outlined. He valued David’s professionalism and follow-through; the detail that stood out was the clear SGIP guidance that turned a complex incentive into a simple, timely enrollment.
Passed screening
Passed screening
Newer than most installers in the market.
Not BBB rated.
Some periods had unusually high review activity.
Yeboadah Israel had to pause a home battery installation for a couple of months because of a personal matter. Their handler stayed on top of the job the whole time, keeping them in the loop at every step so the project never felt abandoned. When they were ready to resume, the crew returned, finished the install and secured PTO (permission to operate). They ended up with a working battery and are very happy with it. The memorable detail: a single, responsive point person who kept the process moving smoothly despite a multi-month delay.
Jody connected with Candace while exploring solar options and ended up completing everything in a single conversation. Candace patiently answered every question and walked her through each step, and by the end she had the contract in hand and had signed up to receive a free solar battery. She left grateful for Candace’s time and patience — the standout detail was that a full explanation and a signed agreement for the battery happened in one calm, efficient discussion.
Elliott Latorres worked with David Kimball at Haven Energy on a solar-plus-battery installation and came away impressed by how straightforward the whole process felt. He discovered David knew the SGIP program inside out and patiently walked him through the paperwork and how the incentive would affect the system design. The sign-up moved quickly, communication stayed consistent, and the installation delivered exactly what David had outlined. He valued David’s professionalism and follow-through; the detail that stood out was the clear SGIP guidance that turned a complex incentive into a simple, timely enrollment.
Stan shopped several estimates for a battery backup to tie into his existing solar panels and discovered Haven Energy came in at the lowest cost. He ended up with a straightforward install where the company smoothed inspections and handled the rebate paperwork, keeping interactions with inspectors and the rebate system painless. He’s lived with the system for 19 months now and hasn’t had a single problem since day one. He counts Haven Energy as a five-star company—what stuck with him most was the combination of the low price and the hassle-free, reliable service that’s held up over time.
Flora Giu arranged a home battery installation and watched Gago and his helper handle everything. The two installers came across as friendly and professional: they fitted the battery, explained each connection and setting, and didn’t rush through the job. They paused to answer all her questions and showed how the system operates and what to expect day to day. She left very satisfied — the hardware was installed and she felt confident about using and maintaining it.
Outdoorsy, Artsy, Foodie pursued a solar battery storage system and encountered lengthy paperwork and slow city and utility inspections — delays that lay outside Haven’s control. They found the actual installation by a local contractor to be seamless, and the battery has been operating smoothly since. The experience left them enough confidence in the install-and-performance side of the process that they’ve already pointed neighbors to Haven for their own battery storage projects. The clear takeaway: expect permitting to take time, but once past that stage the installation and operation were trouble-free.
Sus Vcell walked away very satisfied with Haven Energy after the company helped her household begin the move to solar. The most memorable part of the experience was working with representative David Kimball, who patiently explained the process, answered numerous questions, and personally guided her through the SGIP application. She looks forward to continuing the relationship and is excited to make solar part of her energy strategy. The single detail that stood out: hands-on help with the SGIP paperwork made the incentives and next steps far less intimidating.
Jesus found that Andrew Auger at Haven Energy turned a normally confusing SGIP enrollment into a straightforward process. He guided him through qualification and patiently answered every question about the backup battery, making the technical and incentive details easy to understand. Andrew’s responsiveness and hands-on help removed the usual paperwork stress and kept the project moving smoothly. The detail that sticks: one knowledgeable contact at Haven handled SGIP and battery questions so well that the whole process felt effortless.
Jaye spent more than a year working with Haven Energy to get a home battery system installed and ended up with a working system but a project that cost far more than it should have. She submitted her SGIP application in March 2024, only to discover that Haven’s handling let the application lapse — a mistake that erased roughly $9,000 in incentive value and forced her onto NEM3, knocking the financial case for the battery out from under her. Alongside the paperwork failure, the installation itself showed sloppy workmanship: messy wiring and a voltage sensor mounted in the wrong place. Haven provided little hands-on support, so she had to chase fixes and trouble-shoot problems herself. Communication deteriorated into long silences; updates were hard to get, errors went unacknowledged, and months passed without answers. After asking for an at-cost add-on solar install and having a site visit, she watched Haven stop responding entirely. The combined effect has been both financial and emotional: incentives lost, projected ROI evaporated, and ongoing frustration over a system that technically works but no longer delivers the value it was meant to. The most striking image from her run
Long-term satisfaction for Haven Energy drops to 2.3 ★ compared to early reviews. This decline is worse than 75% 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.