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Efficiency.

Gilleran Energy Management

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Energy Efficiency ConsultingGreen Building ConsultingTitle 24 ComplianceHERS Rating

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About Gilleran Energy Management

Gilleran Energy Management (GEM) is a California-based energy and sustainability consulting firm that enhances building performance and improves operational efficiency. Recognized as one of the top firms in California, GEM works with architects, developers, builders, and public agencies to ensure projects meet code requirements and sustainability objectives. They offer expertise in green building programs, energy efficiency consulting, and building commissioning, focusing on clarity, collaboration, and long-term value. GEM provides solutions for projects ranging from affordable housing to commercial developments, helping clients navigate Title 24, LEED, and other certification programs. Founded in 2002, GEM integrates sustainable practices early in the design process to reduce operational costs and improve occupant comfort.

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Energy Star CertificationCall for pricing
Whole Home AuditCall for pricing

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