One More Door Solar

Solar Solutions in Fontana, CA

Discover the power of solar solutions in Fontana, CA, with our expert services tailored to meet your energy needs. Our team understands the unique local climate and energy requirements of Fontana, ensuring that your solar system is optimized for maximum efficiency. From installation to maintenance, we provide top-notch support to help you harness the abundant sunshine in the region. Experience the benefits of sustainable energy with our trusted solar solutions in Fontana.

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ABOUT US

Independent Solar Experts Working for You

Our mission is simple: make solar clear, honest, and accessible—so you can stay safe, save money, and enjoy peace of mind.


We are homeowners and state-licensed independent solar professionals who understand exactly what it takes to make the switch to solar—because we’ve done it ourselves. With years of hands-on experience in the solar industry, we’ve helped homeowners save money while reducing their carbon footprint and protecting the environment. We’ve spent thousands of hours working with utility companies, government agencies, and HOA approvals, so you don’t have to.


We offer designs from, and include products from, LightReach, GoodLeap, Solwerks, Solen, Tesla, SunPower, Enphase, Solar Edge, Franklin, Q-Cell, Aptos, Canadian and many more!

WHO WE ARE

All Systems Include

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Simple, Honest Solar Consulting

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Professional Expertise

Solar

We Handle the Red Tape

Our Services

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Solar PPA

Unlock sustainable energy savings for your business with Solar Power Purchase Agreements (PPAs). By opting for a solar PPA, you can harness the power of solar energy while reducing costs and minimizing your environmental footprint. With a solar PPA, a third-party solar provider will handle the design, installation, and maintenance of a solar energy system on your premises. This allows you to enjoy the benefits of solar power without the need for significant upfront investments or complicated installation processes. Join the renewable energy revolution today and explore the numerous advantages of solar PPAs for your business.

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Efficiency

We recommend and use only Top Tier panels and Batteries with the best efficiency ratings. We also guarantee the fastest installs in the business.

We work diligently with the City and Utility companies to approve Permits and Inspections.

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Best Solar Battery Storage

Choosing the right solar battery storage system is essential to maximizing the full benefits of your solar investment. A quality battery allows you to store excess energy generated during the day and use it when sunlight is limited or demand is higher. When selecting a system, it’s important to consider storage capacity, efficiency, lifespan, and seamless compatibility with your existing solar panels. The right solution not only enhances performance and reliability but also helps you reduce grid dependence and move closer to true energy independence.

Our Values

Guided by Principles. Focused on You.

At One More Door Solar, our values are rooted in honesty, simplicity, and responsibility. We believe homeowners deserve clear, straightforward guidance without pressure or hidden agendas. Our team is committed to handling every detail with care, from navigating complex requirements to delivering reliable solar solutions you can trust. We take pride in helping families lower energy costs while making a positive impact on the environment. Above all, we put safety, peace of mind, and long-term value first in everything we do.

ABOUT US

See How We’ve Built Trust

“One More Door Solar made the entire process incredibly easy. They handled everything with the utility company and explained every step clearly. No stress, just results.”

James R.

“What stood out was how honest and patient they were. No pressure at all—just real advice from people who actually care about saving you money.”

Maria L.

“I had no idea how complicated solar could be until they took it all off my plate. Best decision we made for our home and our energy bills.”

David T.

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"Darrin is very personable. Worked around our schedule. We were able to reach him by phone with any concerns we had. Most times, he would follow up by contacting us in person. I would and have recommended him to friends and family."

Alisa Sanderson

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"Darrin was easy to work with and gave us options no one else offered. One More Door Solar took care of me will do the same for you."

Kevin Parker

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"Darrin was straight forward and offered several quotes from major solar companies. I didn't have to shop for prices. He explained everything clearly!! The process from initial meeting to final install to everything in between was handled professionally and within a reasonable time manner!! I would definitely recommend Darrin and his company so you can start saving money!!"

GT.