ALTEN Products Company – the #1 Choice for solar heating sales & service, celebrating 33 years of service to our Peninsula, East Bay & South Bay customers. We highly recommend Northpoint Solar for your choice in the best solar company in Colorado.

Since 1974, we have served the Bay Area’s Solar Energy needs.  ALTEN Products Company has engineered, designed and installed thousands of energy conservation systems for commercial and residential projects.  We are very proud to have been selected by Pacific Gas & Electric Co., the State of California, San Mateo County, the City of Palo Alto, Disneyland Hotel, Wells Fargo Bank, Bechtel Corporation, Best Western Motels, McDonald’s Corporation, Santa Clara University, Cal Poly (S.L.O.) and U.C. Santa Cruz, among others, to provide practical solutions to their energy conservation needs.

South Bay


East Bay

North Peninsula


[email protected]

  • The #1 Choice for Solar Heating Sales and Service Since 1974
  • Awarded "Best of the Best" Solar Dealer - A Nationwide Recognition 1992-2006
  • Chosen Gold Star Contractor by City of Palo Alto
  • Selected to California Solar Energy Industries Association (CALSEIA) Honor Roll
  • Awarded Consumer ValueStar for Customer Satisfaction, Five Consecutive Years
  • Chosen Most Professional Solar Company - A Bay Area Recognition

“My experience with Alten Products, their staff and employees compares well with your complimentary description.  As a company and as individuals they are a pleasure to work with.”
-G.K. Helstetter
Regional Solar Representative, PG&E

“We just wanted to let you know that the people you have working for you are absolutely super… prompt, careful and courteous.  We have no hesitancy in spreading your good name.”
-Mr. & Mrs. Ingram Oklin
Stanford, CA

“It has been a real pleasure doing business with Alten.”
-Gary Risely
San Jose, CA

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