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Rated 5-Stars on Google and Yelp out of 150+ Reviews
A Personalized Customer Experience
Posted on Andrea GoldsmithTrustindex verifies that the original source of the review is Google. Simmitri installed our Enphase solar panels and later our battery system. They did a terrific job. Our system runs well after three years. They were good to work with. Their office helped us with the California document submission. We are pleased!Posted on David MartinezTrustindex verifies that the original source of the review is Google. After interviewing 3 solar companies I selected Simmiti for my dolar installation. The planning and submissions to PGE and SCCounty Building were done in a timely manner. The installation crew was superb. The inspector was highly impressed with the installation. Ana, my PM, stayed on all parties to get the final steps of approvals. I highly recommend Simmitri for your solar project. 9/12/2025 I just recently added 6 panels to my system (added e-car) and Pamela at Simmitri handled my project. Communication throughout the project was excellent and the crew, once again were FANTASTIC! Simmitri is a pleasure to work with.Posted on Denise TsangTrustindex verifies that the original source of the review is Google. We can say that installing and working with Simmitri was a seamless experience. They did exactly as they say they would. The staff is amazing to work with, especially the Project Manager Pamela Rodriguez and the Sales Manager Lonnie Cory. The installation crew was fast, clean and friendly. All in all, a great experience working with them from the beginning... and continuing. We are so happy with our new system!Posted on Ben BartyzelTrustindex verifies that the original source of the review is Google. Simmitri Inc. roofers did an excellent roof replacement for me, they were on time and on budget. I highly recommend this firm.Posted on Jerry SuarezTrustindex verifies that the original source of the review is Google. Our project began in 2020 with the construction of our new home. When we were ready for our Solar installation, Jonathan walked us through every step of the way. The installation crew were fast, competent, and thorough. We couldn't have asked for a better experience!!Posted on Lanard CTrustindex verifies that the original source of the review is Google. Great company....solar appointment was the best I have seen and very informative ...no pressure and very polite approach focusing on my interests and needs. System was installed and it was a great experience...Posted on Dylan NunnTrustindex verifies that the original source of the review is Google. Great experience!Posted on Steve McShaneTrustindex verifies that the original source of the review is Google. Wow! The service and attention to detail that Jonathan and his team provides is astounding. We had a complicated project with a complicated team and every question was answered in a timely fashion. Every one of the reviews I read is spot on. Thank you, Simmitri.Posted on Igor GorinTrustindex verifies that the original source of the review is Google. UPDATE: Shortly after posting this review I got contacted by Nick from Simmitri, he was courteous, apologized for the issue I had encountered, confirmed my eligibility for complimentary cleaning and offered few available times. I scheduled for the first available option, Simmitri guys called ahead when they were on the way to give me heads up, showed up on-time, cleaned the panels without any issues. Nick demonstrated that Simmitri cares about their customers and are willing to stand by them and do what's right. Based on this experience I updated my review and rating. -------------------------------------------------- Maybe I'm one of a few edge cases here, but I had really negative experience working with Simmitri. It started Ok during the sales. BTW Simmitri was not the least expensive option by any means. In fact they were closer to be the most expensive out of the several bids and quotes I had received. Sales guy promised me that I will pay more, but will get the install faster and all the work will be done by their own expert team - which he said was officially approved by the company as part of the transaction sign off. That's the end of good. Right away I got a terrible PM assigned to me, no status updates, misleading, confused...all my dates (which BTW were specified in the agreement) were missed, I had to personally reach out and coordinate with city planning to issue permit because Simmiti was not actively following up and were causing delays... once I had everything ready and they had scheduled an actual install date, no one had showed up (even though I sent emails and requested confirmation a week prior to the install date and was told all was Ok). I had to speak with the owner/CEO to get a new install who refuted that I had an install date set in the agreement - meaning he never even looked at it. I had to send him my copy and point to the date there... to which he said "it should have never been there, I need to talk to Sales to make sure it gets fixed"... anyways, as a result I had 3+ month delay from the date stated in the contract and missed the entire summer - which is peak months of generation last year and this had pushed my payback time on this investment by two years. The install crew that came to do the installation was a 3rd party sub-contracted by Simmitri. BTW they were good and did a good job (I think as I'm not an expert, but the system works). After working with the leadership through numerous escalations I finally got the system installed. I was told that in additional to $500 credit for all of the issues I had, I would get few cleaning and maintenance credits, never happened. Called in earlier to get a cleaning scheduled and was told I don't have any complementary cleanings... I would not recommend them.Posted on John PostovitTrustindex verifies that the original source of the review is Google. The people at Simmitri were very helpful in getting the solar system through the hoops to approval with PG&E. Highly recommended.
At Simmitri, We Approach Energy Management Holistically
As The Bay Area’s Customer-Benefits-First Solar Company
The typical Simmitri customer overproduces clean energy by roughly 10-15% because of our holistic customer-benefits-first approach to energy management. Rather than focusing on overblown pricing and profit margins, we’re more concerned with the VALUE you get when you upgrade and go green with your home or business. We also pull out all the stops to ensure your experience is second to none.
We represent high-quality, high-performance technology and optimize roofing/solar systems to be efficient and properly sized to increase the health of your property, address core issues, and deliver more significant energy savings. Along the way, you should genuinely feel listened to, respected, cared for, and backed by a trustworthy 5-star contractor with nearly 30 years of service to our local communities.
Our Process
Enjoy Simmitri’s ‘Reduce Before You Produce’ Process
A Unique Approach To Bay Area Energy Management
Rather than Big Solar’s cookie-cutter, one-size-fits-all approach, we do things properly. First, we conduct a Comprehensive Energy Assessment (CEA) and help you implement cost-effective energy-saving solutions.
Sealing Air Leaks
Installing Attic Insulation
Upgrading Water Heaters
Sealing & Insulating Ducts
HVAC Improvements
Roofing Improvements
Only then do we install custom-made clean power systems personalized for you and your home or business. This unique part of our process helps us consistently give our customers the most aggressive financial payback/return on investment in Northern California’s solar/roofing industry.
Our Services
Industry-Leading Energy Efficiency for Residential & Commercial
Backed By A Personalized, Accommodating Experience
Solar Energy
We’re picky! We choose highly-efficient American-made solar/roofing products that stand the test of time and look outstanding. Every detail is best-in-class because we only use technology backed by cradle-to-grave manufacturing processes that deliver consistently reliable results.
Energy Storage
Powering your space is complete with a battery backup or a battery storage solution. We provide guidance and installation services to help you pick the right system for your needs.
Bay Area Roofing Systement
As industry leaders, we offer advanced roof systems with the strongest and safest warranties in America! After decades of experience, our vast knowledge of the roof enables us to effectively analyze and improve efficiencies - turning it into an energy-producing asset.
Explore More About Our Company Identity
Learn More About What Makes Us Special By Visiting The Pages Below
Request a Quote for Roofing or Solar Energy Today!
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