Treeium Energy Reviews

Reviewers often describe the sales process as attentive and helpful, with several saying proposals were tailored to their needs and the staff stayed responsive. At the same time, a meaningful minority report overpromising on system capabilities or service commitments, so this area reads as mixed rather than consistently strong.Solar.com's composite of published customer feedback, not a customer quote

Tailored proposals. Some reviewers say the sales rep took time to understand their needs and put together a proposal that fit what they wanted. Representative review excerpt: "Norm, our sales rep, took the time to fully understand our needs and put together a proposal that met them."

Responsive and collaborative. Others describe the sales and service side as friendly and responsive, with coordination that made the process feel organized. Representative review excerpt: "The sales and service staff was always responsive and friendly and it felt like we were supporting a company with good values."

Overpromising concerns. Complaint reviews say some expectations around batteries, power output, or future servicing were not met, and a few describe code or scope issues discovered later. Representative review excerpt: "They also promised that I would have enough batteries and enough power and that they would do servicing which none of that has ever been done."

Feedback on pricing and financing is mixed but leans negative. Reviewers praise some straightforward communication about cost, yet a larger share report deposit problems, unmet reimbursement promises, surprise payment requests, or confusion around final amounts and rebate timing.Solar.com's composite of published customer feedback, not a customer quote

Deposit and payment disputes. Complaint reviews mention unreimbursed costs, deposits not returned, front-loaded funding, and requests for payments before work was finished. Representative review excerpt: "Treeium took a $1000 deposit from me in 2020 and I never got the Solar batteries I ordered nor did Treeium return my deposit."

Clearer price conversations. Reviewers describe a recurring pattern in this area. Representative review excerpt: "Treeium was competitive with other offers in price but was hands down the most professional at every step in the process."

Upfront communication helped. A few reviewers mention daily check-ins and proactive updates around planning and permitting, which made the financial side feel more transparent to them. Representative review excerpt: "My wife and I had a bad experience with a previous home remodel and Lior knew this and kept us abreast of everything - we appreciated the daily check-ins, upfront..."

Reviewers frequently praise individual staff members for being responsive, helpful, and proactive during their projects. Even so, a notable number describe difficult follow-up, long gaps without replies, and trouble reaching anyone after problems came up, which keeps this category firmly mixed.Solar.com's composite of published customer feedback, not a customer quote

Responsive project managers. Several reviewers say their project manager was very helpful and quick to respond during the active job phase. Representative review excerpt: "My project manager is Lior Lazarovich, he is extremely helpful and very responsive."

Helpful handoffs. Others describe staff who kept them informed, answered questions quickly, and coordinated multiple parts of the project effectively. Representative review excerpt: "My wife and I had a bad experience with a previous home remodel and Lior knew this and kept us abreast of everything - we appreciated the daily check-ins, upfront..."

Hard to reach later. Complaint reviews say follow-up could fall apart, with repeated outreach by email, text, or phone going unanswered when customers needed help. Representative review excerpt: "I have contacted them repeatedly to help me resolve (with no response through email/text/phonecalls) this and final the permits with the LADBS."

Reviews show a split picture on scheduling and activation. Some customers report on-time completion and smooth scheduling, while others describe delays tied to permits, inspection follow-up, service activation, or project stalls that stretched on for months.Solar.com's composite of published customer feedback, not a customer quote

On-time completion. Positive reviews say some jobs finished on schedule and matched the promised timing, including projects that were completed exactly as expected. Representative review excerpt: "Perhaps most impressive of all--and anyone whose done renovations will realize how rare this is--these folks finished my job (new roof, new solar, 2 solar tubes) ON TIME AND ACCORDING..."

Scheduling did work for some. A few reviewers describe the installation as happening on schedule and the system working as expected afterward. Representative review excerpt: "The team conducted the installation on schedule and everything is working as expected."

Long delays and stall-outs. Complaint reviews mention extended waits for inspections, unresolved permit issues, and projects that took far longer than expected to become usable. Representative review excerpt: "We will now need to have the electrical redone and wait another month for inspection before maybe being able to use the panels which were installed in February."

Workmanship feedback is also mixed. Many reviewers describe professional crews and good coordination during the install, but others report cleanup issues, follow-up repairs, or damage and incomplete work that required additional visits or corrections.Solar.com's composite of published customer feedback, not a customer quote

Professional install teams. Several reviewers say the crews and project managers were helpful, communicative, and willing to go the extra mile during installation. Representative review excerpt: "Their project managers especially were very communicative and helpful with our solar and battery install - I was very happy that they and the install team went the extra mile..."

Good coordination on site. Some customers describe seamless coordination among installers, electricians, cleanup crews, and city-related tasks.

Cleanup and repair issues. Complaint and mixed reviews mention exterior cleanup concerns, repeated visits to fix issues, and cases where customers reported damage or incomplete work. Representative review excerpt: "One concern or disappointment was the exterior clean up."

Post-install support gets a mixed response. Reviewers do report cases where the company returned to fix issues and took responsibility for repairs, but others describe warranty questions, service charges, and difficulty getting help after the system was turned on.Solar.com's composite of published customer feedback, not a customer quote

Follow-up repairs happened. Some reviewers say the team came back to address post-install problems and kept working until the issue was resolved. Representative review excerpt: "Even when we found there was a leak a few months later, they came back to fix it (and came back a few times after that too when the leak..."

Responsibility after the install. A few customers describe the company stepping in to repair later equipment issues and taking ownership of the fix. Representative review excerpt: "Recently , I had an issue with the air conditioning and they took full responsibility for getting the unit repaired.It was a joy working with them again!"

Warranty and service frustration. Complaint reviews mention expired-warranty disputes, extra service charges, and long periods without a useful response when support was needed. Representative review excerpt: "We are being told that our service warranty is already expired and we now have to pay for someone to come and look at the panels to see why they..."

Products

Solar

Service area

California. Note: the install counts on this page cover California investor-owned-utility records only.