Energy & Sustainability Consulting Long Beach

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When you’re searching for energy & sustainability consulting near Long Beach, contact the experts at Gilleran Energy Management. Founded in 2002, we specialize in providing the latest and most effective solutions for the market rate and/or the affordable housingsingle-family residentialcommercial, winery, school, and cannabis industries. Whether you’d like to identify areas of inefficiency, obtain the proper permits, or plan a Net Zero Energy facility, our energy & sustainable building consulting will help you achieve your goals.

Contact us today to discuss your sustainability or energy efficiency needs.


The GEM team keeps up-to-date on the latest regulations, certifications, and standards to ensure your project is streamlined and completed within your timeline. We understand no two projects are the same; after we understand your energy & sustainability goals, we’ll create a custom plan to help you achieve them. You’ll receive full support for every step of your project, from the planning stage through completion.

We offer the following energy & sustainability consulting services for Long Beach clients:

  • All-electric building energy analysis – transition from natural gas to all-electric building design.
  • Evaluation of new affordable housing under the California Energy Commission’s new BUILD all-electric low emissions development program
  • Evaluation for the California Energy-Smart Homes Program for residential new construction and alterations program that provides incentives to adopt advanced energy measures and transition to all-electric construction
  • Green Building Certification Programs: LEED, GreenPoint Rated, ENERGY STAR, Indoor airPLUS, WaterSense
  • Evaluation for 45L federal tax credit
  • CALGreen Compliance and Consulting
  • Green Building Charrettes
  • Zero Net Energy
  • Building Energy Modeling and Title 24 Compliance Analysis
  • Building Performance Testing: BPI, Title-24, CALGreen, HERS
  • Utility Allowance Calculation (CUAC) Consulting
  • Affordable Housing Tax Credit Services
  • Tenant Utility Allowance Reporting
  • Residential Auditing
  • Retro-Commissioning
  • Energy Conservation
  • Performance Testing
  • ENERGY STAR Certification and Benchmarking
  • Single and Multifamily HERS II & BPI-based
  • Cost-Benefit/Return on Investment Forecasting
  • ASHRAE Levels 1-3 Auditing
  • Life-Cycle Cost Analysis
  • Greenhouse Gas Analysis 
  • Energy Audits and Modeling
  • Solar-PV System Sizing


Our energy & sustainability consulting services deliver well-informed and proven strategies to help Long Beach clients reduce their carbon footprint, maximize sustainability, improve comfort, and reduce their building’s operational costs. We can also assist you with identifying potential funding or incentive opportunities. For more information on how our energy & sustainable building consulting can benefit your project, contact Gilleran Energy Management at (707) 528-7318 or email us at