Altadena Energy & Solar Inc.

Primary Lines of Business

  • Installer

  • Community Solar

Altadena Energy & Solar Inc.

Primary Lines of Business

  • Installer

  • Community Solar

Additional Services Offered

Additional Services Offered
  • Installation
  • Solar Repair & Maintenance
  • Community Solar

Why Work With Us

Why Work With Us

Altadena Energy & Solar Inc. specialize in custom energy management, solar integration and energy storage system to best fit your energy concept, building engineering and aesthetics. We offer wide range of high-quality solar products from different domestic and international manufacturers.From design to installation, from permitting to commissioning, we take care of every steps. As our valued customer, you are not just getting an energy system from us, but also a partnership in getting the most out of your energy resources and building a sustainable future. A solar energy system is a 20+ years investment, and you will benefit from our smart engineering, reliable
warranties and excellent services for many years to come. We are committed to be the local solar solution that you trust.

More About Us

More About Us

Altadena Energy & Solar was founded by Hans Rosenberger out of a belief that good engineering and financing are important for the development of environmentally friendly solar energy systems and buildings. There is a strong demand for energy savings and ‘green power,’ but too few practitioners who understand both engineering and finance. Hans majored in Physics at Goshen College, and completed his Masters of Electrical Engineering at Penn State. He pursued a career in radiometry-based remote sensing at NASA’s Jet Propulsion Lab (JPL) in Pasadena, CA, where he was staff engineer for 5 years in ground- and air-based microwave systems. He left JPL to pursue further aspirations in business and completed his MBA at USC’s Marshall School of Business. During this time he pursued internships focusing on electrical efficiency and demand management for the frozen food warehouse industry in Delaware, and wind energy finance in Tehachapi, CA. After his MBA, he started a property partnership in Berlin, Germany, to test the theory that there was unmet demand for green-oriented real estate development. The real estate work led to the founding of Altadena Energy & Solar, and its partner firm in Germany, RSF Solar, with a focus on technically sophisticated solar and energy efficiency solutions for residential and commercial clients.

Technology Offered

Technology Offered

Associated Suppliers

Associated Suppliers

Financing Companies

HERO Program

Sungage Financial

Pasadena Credit Union

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