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Gilleran Energy Management is committed to creating a sustainable energy efficiency and green building environment. Our team members have served clients in the Bay Area and throughout California for over 20 years, identifying and implementing sustainable solutions to everyday life. We’ve provided energy audits, utility-government partnership assistance, Municipal Climate Action Planning, LEED and Energy Star program navigation, solar and alternative energy forecasting, education & training, and energy efficiency and sustainability consulting for many of our clients.

Our Services Include

Complete Energy Services for Buildings

LEED Green Building Consultation

Building Energy Simulation for Commercial and Residential Projects

CALGreen 2013 Certification

Solar site feasibility review, commercial PV systems design, and integrated energy modeling

Residential green building consulting under the USGBC LEED for Homes and Build It Green GreenPoint Rated programs.

Building performance testing: including complete energy efficiency, water and renewable energy audits, combustion safety analysis, complete Home Energy Rating Services (HERS) available for existing and new homes.


Greenhouse Gas emissions evaluation and reduction planning

Energy Efficiency Audits (ASHRAE Level I, II and III)

Approved provider of the San Francisco ‘Existing Commercial Buildings Energy Performance Ordinance’ (SF Environment Code Ch 20.)

Retro-Commissioning Certification from PG&E’s Energy Center

Retro Commissioning and Continuous Commissioning

Measurement & Verification (M&V)

Benchmarking and Energy Star Certification

Financial Analysis of Energy-Efficiency Projects


Facility wide assessments with focus on energy, water and waste efficiency of small & medium sized organizations and general building construction

Utility Bill and Tariff Analyses

Developing, implementing and tracking portfolio-wide sustainability strategies

On-site data acquisition and real-time observation

Customized model energy consumption profiling

Cost/benefit analyses services

Grant, rebate and funding

Web based real time utility bill management and analysis