Gilleran Energy Management, Inc.

Gilleran Energy Management, Inc. (GEM) is located in Santa Rosa serving residential, commercial and municipal clients throughout the North Bay and California since 2002. Our team of 10 professionals provides everything from timely building permit documentation to Zero Net Energy analysis and project development. We work with design and construction teams to integrate energy efficiency, renewable energy and green building best practices into new building design and renovations.
Our team includes leading Northern California professionals in the field of energy consulting. Our certifications include Energy Star rater, CalCERTS HERS, CABEC CEA, CALGreen Inspector, LEED & GPR Green Raters, Qualified Water Efficient Landscaper, BPI (single and multifamily), HERSII, CEM, LEED BD&C, and CALGreen Commissioning.

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