Unbound Solar
About Unbound Solar
Unbound Solar, based in Fullerton, California, specializes in helping homeowners and businesses install their own solar systems with professional-grade support available nationwide. With over 20 years of experience and more than 20,000 successfully installed systems, the company combines expert engineering with hands-on guidance so self-installers are never left guessing. Unbound Solar offers complete grid-tie, off-grid, and commercial solar kits with U.S. nationwide shipping, and backs each project with a 97% permit approval rate and a 4.7-star Google rating from more than 570 reviews. Custom solar services include home and business system design, permitting and interconnection assistance, and a dedicated builders and installer program for contractors and homebuilders. To help customers plan before they buy, the company provides a suite of online tools: a solar cost estimator, battery bank sizing calculator, wire size and voltage drop calculator, solar production calculator, and a California solar mandate calculator. They also publish up-to-date guidance on 2026 solar tariffs so buyers can time their purchases ahead of policy changes. Customers can reach a solar expert by phone or request a free estimate online. Unbound Solar has been featured in the Wall Street Journal and USA Today, and is a part of Gigawatt Company. Office hours are 10 a.m. to 6 p.m. PST.
Services Offered
Residential Solar
Explicit home system design, self-install guide for homeowners, 20,000+ installed systems
Commercial Solar
Dedicated 'Commercial Systems' category and 'Home & Business System Design' service
Battery Storage
Battery Size Calculator offered implying battery storage is part of system design; not explicitly listed as standalone service
Ground Mount Systems
Sells complete systems broadly; off-grid kits often include ground mounts but not explicitly stated
Off-Grid Systems
Explicit 'Off-Grid Systems' product category listed
Features & Specialties
Pricing
Sells DIY solar kits and complete systems with expert design support; typical residential systems fall in the $5K–$20K range, though no explicit prices shown
Service Areas
Request a Free Quote
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