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We serve the Sacramento Area, Bay Area, Redding & Reno

Getting Started With Solar

Solar Information

DSIRE - National searchable database to find Incentives, Rebates and Federal Tax Credits.
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Why SolarWorld?

Quality First Home Improvement Inc. is proud to be an Authorized SolarWorld Installer.

As America’s solar leader for more than 35 years, SolarWorld maximizes any solar investment with proven, American-made quality, reliability and durability. SolarWorld panels are widely recognized as the industry standard in quality—the result of the company’s commitment to research and development, quality materials and manufacturing excellence.

What we use

Sunmodule Protect SW 275 mono

Fully-automated production lines and seamless monitoring of the process and material ensure the quality that the company sets as its benchmark for its sites worldwide.

Innovative glass technologies make extremely weather-resistant and robust solar mod- ules possible. The Sunmodule Protect offers higher mechanical resilience and a longer service life, and still weighs the same as the Sunmodule Plus.

The positive power tolerance guarantees utmost system efficiency. Only modules achiev- ing or exceeding the designated nominal power in performance tests are dispatched. The power tolerance ranges between -0 Wp and +5 Wp.

SolarWorld is setting new standards with the ground-breaking 30-year linear perfor- mance guarantee: a maximum degradation of just 0.35% p.a. provides guaranteed mod- ule performance of 90% after 21 years, and 86.85% after 30 years.

Linear performance guarantee
  • Linear performance guarantee for SolarWorld Sunmodule Protect
  • Linear performance guarantee for SolarWorld Sunmodule Plus
  • Competitor’s tiered performance guarantee