Blog
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Energy Efficiency Consulting in California
It’s never too early to think about energy efficiency Why Energy Planning Belongs at the Beginning In California, sustainable building decisions are closely tied to design, cost, comfort, compliance, and long-term performance. Waiting until late in the process can leave project teams reacting to requirements instead of shaping a practical strategy from the start. At…
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How LEED Expertise Helps California Building Projects Move Forward
Strong Sustainability Planning Starts Early Green building is most effective when it is part of the project from the beginning. Waiting until late design or construction to address sustainability can create unnecessary revisions, missed opportunities, and added stress for the project team. At Gilleran Energy Management, Inc., we help California clients integrate energy modeling, Title…
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A Smarter Foundation for Multifamily Development
Why Smart Multifamily Teams Start with Energy Modeling At Gilleran Energy Management, Inc., we see firsthand how successful multifamily projects begin long before construction starts. In today’s building environment, projects require more than thoughtful design. They demand measurable performance, regulatory alignment, and long-term operational efficiency, which is why leading teams are prioritizing energy modeling at…
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Now Serving Santa Cruz: Introducing Gilleran Energy Management
Santa Cruz has long been a community that values environmental responsibility, thoughtful development, and resilient design. As California’s building standards continue to evolve, project teams in the region are navigating increasingly complex performance requirements alongside ambitious sustainability goals. As such, Gilleran Energy Management is proud to now serve the Santa Cruz area. With more than…
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Smart Multifamily Energy Retrofits with the Right Consulting Partner
Smart multifamily energy retrofits play a growing role in how California housing projects address energy efficiency, regulatory compliance, and long-term building performance. For property owners, developers, architects, and affordable housing providers, retrofit decisions are rarely simple. They involve multiple building systems, evolving energy codes, and verification requirements that must be addressed accurately and efficiently. At…
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What Is a Sustainable Building?
What Is a Sustainable Building? As California continues to lead the nation in environmental policy and high-performance building standards, the term “sustainable building” has become central to how projects are conceived, designed, and delivered. At Gilleran Energy Management, Inc., we’ve spent years helping architects, developers, engineers, and affordable housing providers navigate what sustainability truly means…
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Energy Management Services
Building Smarter with Gilleran Energy Management, Inc. Gilleran Energy Management (GEM), we see energy management services as the foundation for creating exceptional buildings, not just a box to check for compliance. For more than two decades, we have helped California’s most forward-thinking affordable housing providers, architects, real estate developers, mechanical engineers, and high-end custom home…
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Preparing for the 2025 Energy Code Switch
What California Project Teams Need to Know As California moves toward its ambitious clean energy goals, the 2025 Energy Code Switch marks another significant milestone. Beginning January 1, 2026, all projects applying for permits must comply with the updated Title 24, Part 6 Building Energy Efficiency Standards. The updates are designed to reduce greenhouse gas…
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Title 24 and the Future of Energy Efficiency: What California Builders Need to Know
In California, energy efficiency isn’t just a best practice—it’s the law. With growing climate demands and tightening building regulations, Title 24 of the California Code of Regulations has become a foundational requirement for construction professionals. These standards shape how buildings are designed, built, and operated, influencing every phase of development from early planning to final…
