When you're ready to experience premium, affordable home energy technology and storage solutions, we'll be there for you. 
- Request Your Consultation
- Call Us to Get Started 888-815-6633
San Francisco Solar Company
Serving All of California with Our Premium Diamond Certified Services
Our California solar experts at SolarUnion are dedicated to helping
you harness the clean and renewable power of the sun in your home. We
deliver the high-quality service, parts, and designs that you need—creating
long-lasting, intelligent designs that can grow with you into the future.
Our solar developers offer a turnkey solution with asset management for
the entire life of your solar asset. Unlike traditional solar installers,
our commitment to our clients goes beyond the installation alone. When
you choose us, we treat you like family and always make sure to explain
the entire solar process from start to finish. Every one of our installations
carries a 25-year performance guarantee, which means we always fix underperforming
systems at no cost to you, including labor and parts. We also offer an
industry-leading 25-year roof integrity warranty.
We have offices throughout California, including San Diego, Stockton, and San Francisco, which enables us to provide unparalleled installation and service to the entire state.
No matter where you live, from San Diego to Sacramento, or beyond, SolarUnion stands ready to serve, providing the utmost care and personalized attention for every one of our customers.
Our services include:
- Solar system installation
- Energy storage solutions
- Detailed roof inspections
- Electrical panel upgrades
- Solar EV charging installation
Call us at (888) 815-6633 today to learn more about the benefits of solar energy and storage solutions in your home!
SolarUnion is proud to announce that it has earned the home service's industry's coveted Angi Super Service Award! This award honors service professionals who have maintained high service ratings and reviews on Angi in 2021.
To make premium home energy technology accessible to all homeowners at an affordable rate that will reliably take care of their energy needs for 25 years.
Call (888) 815-6633 to Be A Part of the SolarUnion Family
Our Solar & Storage Services
Customer Testimonials
We're Committed to Your Satisfaction
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I highly recommend this company.
“SolarUnion is one of the very few companies that will install solar on a foam roof. Their team was incredible in the way they staged the project and worked together with the roofing company. First the ...”
- William W. -
Solar Union did a great job for us.
“I did a lot of research and got multiple bids through Energy Sage. Nearly every company backed off with the complexities of our installation with a flat roof encumbered with multiple exhausts on top ...”
- M. Marckek -
Top notch job.
“We chose SolarUnion after getting quotes via EnergySage from 3 installers. SolarUnion wasn't the cheapest, but they had a great warranty and a knowledgeable team. We wanted a ground mounted array, ...”
- Diego B. -
Great company and special shot out to Randy thanks again bud for everything.
“At first I didn't even want solar. Than a coworker of mine got solar and went with SolarUnion. So during the whole process I sat in to here everything that would happen and still could not believe it. ...”
- Francisco F. -
I recommend SolarUnion to anyone looking for a no-pressure, friendly, fast solar installation!
“SolarUnion installed our solar panels back in 2019. I'm copying this review from the one I left on Yelp for convenience, but I'm happy to say that two years later we've still experienced no problems. ...”
- Zack S.
The SolarUnion Philosophy
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We Treat Customers Like Family
You can hold us accountable for decades. We will stand behind our work and do whatever it takes to remedy any issues you have.
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Our Guarantee to You
We offer a comprehensive Trifecta guarantee that covers for parts, labor and production for 25 years.
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The Most Reliable Home Energy Provider
We value delivering certainty when it comes to installing and maintaining clean, reliable solar energy.
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We're Committed to Educating
Solar is complicated and SolarUnion is here to educate homeowners not to push sales. We hire solar advocates, not sales reps.
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We Respect the Roof
We treat our customers' roofs like they are our own. An install will not be rushed if it means jeopardizing the integrity of the roof.
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Making Solar Accessible to All
Our goal is to help foster the adoption of renewable energy. No matter the type of roof or your credit, you can go solar.
