Enphase Installer

Enphase Solar System Installers in Berkeley, California | 001A000000LGunbIAD

Installing Enphase since 2009

Phone: (510) 526-5715

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About A1 Sun, Inc.

Serving the communities in the East Bay region, and Marin County, we are your complete solar solution, whether it's for your home, office, rental units, or commercial business. We offer solar installation, design, integration, and service for solar PV and solar thermal systems. We are your one-stop shop for ground-up, high-quality, customized solar solutions at a competitive price, with exceptional customer service. We have over 10 years in business, with 100+ years of combined total solar experience, and going strong!

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Additional Information

Installer Address:
1435 Fourth St.
Berkeley, CA, 94710

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Contact Phone:
(510) 526-5715

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Design Services

Installer Services

A1 Sun, Inc. offers a range of services to help maximize and maintain your energy savings.

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Solar PV Installation

Solar PV Design

Design of a PV system that makes the most of your roof space for the greatest energy harvest.

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Energy Storage Consultation and Preparation

Guidance through the energy storage buying decision and planning process.

Solar Battery Preparation - Installation

Solar PV Installation

Installation of the PV system on your roof.

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Official member of the Enphase Installer Network

  • Solar installer with experience installing Enphase systems.

  • NABCEP Certification

    Approved by the North American Board of Certified Energy Practitioners.

  • Better Business Bureau

    BBB certified for a commitment to ethical standards and customer satisfaction.

Enphase Installer Quote
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"A1 Sun, is the OG of solar panels! A North Berkeley mom-and-pop shop; they've been around longer than all the big conglomerates. You can't go more green than using a local company. I send referrals to Larry and he gets in touch with them within minutes. He knows what he's talking about...."

— Laura Martin Bovard, Business Owner, Oakland, California
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Enphase Installer Network Icon

The Enphase Installer Network helps you connect with experienced Enphase installers in your area. Now you can easily find installers who specialize in Enphase, and support a local business by going solar.

More About our Network
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Above and beyond the installation

Installing your PV system is only part of what installers do. Our listings let you see all the valuable services an installer provides, from design and maintenance to adding solar batteries.

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Excellence you can count on

Our badge rankings let you evaluate an installer’s Enphase expertise before you take the next step. Whether they’ve done 50 Enphase installs or 250, you’ll know you’re in experienced hands.

Cities Close to this Area:
CONCORD, SAN LEANDRO, ALBANY, SAUSALITO, PIEDMONT, ALAMO, HERCULES, PLEASANT HILL, SAN MATEO, PINOLE, CANYON, MORAGA, OAKLAND, SAN BRUNO, BURLINGAME, WALNUT CREEK, EL SOBRANTE, BELVEDERE TIBURON, PACIFICA, EMERYVILLE
Zip Codes Close to this Area:
94710, 94706, 94702, 94850, 94703, 94707, 94701, 94712, 94662, 94709, 94530, 94704, 94608, 94708, 94720, 94705, 94609, 94804, 94618, 94661
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