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The source of all the power in our world—the sun—was created on the 4th day.
Our Roots
4th Day Energy was founded by Duane Deister, a Californian with a life-long passion for renewables. Duane earned college degrees in solar technology and HVAC, and has been designing and installing solar systems since 1992. Prior to 4th Day Energy, he was a co-founder, owner and operator of SunStar Energy. Duane and the team of 4th Day Energy are recognized for excellence in the industry, and remain on the forefront of innovation.
We’re committed to making renewable energy mainstream . . . and helping you re-create your energy future . . . today.
Serving California’s Central Valley
Licensed by the State of California and fully insured
CA license 649702
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