Residential Energy Efficiency Consulting Stockton

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For the most comprehensive residential energy efficiency consulting services in Stockton, contact Gilleran Energy Management. Since 2002, we’ve provided effective green building and home energy efficiency services for homeowners, developers, and the affordable housing industry. From single-family homes and AUDs to entire subdivisions, our expert team can help you find the best solutions to reduce energy costs, minimize environmental impact, and improve comfort. As every client’s needs and residence are different, we create completely customized plans to help you meet your goals.

Contact us today to discuss how we can assist you.


Whether you’d like to determine eligibility requirements for rebate or incentive programs, identify the most effective upgrades, or achieve building permit approval, you can rely on GEM to help streamline your project and offer knowledgeable recommendations. Our consultants stay current on the latest industry standards, regulations, and certifications to help reduce delays or issues that could cause you to go over budget. Additionally, we’ll work with your design and construction team to ensure all energy goals are met without compromising the key aesthetic elements of the residence. 

Our home energy efficiency services include:

  • All-electric building energy analysis for transitioning from natural gas to all-electric building design
    • Evaluation of new affordable housing for the California Energy Commission’s new BUILD all-electric low emissions development program
    • Evaluation of residential new construction and alterations for the California Energy-Smart Homes program (provides incentives to adopt advanced energy measures and transition to all-electric construction)
  • Building Energy Modeling and Title 24 Compliance Analysis
  • Building Performance Testing: BPI, Title-24, CALGreen, HERS
  • Evaluation for 45L federal tax credit
  • Zero Net Energy
  • ENERGY STAR Certification
  • Single and Multifamily HERS II & BPI-based
  • Energy Audits and Modeling
  • Residential Auditing
  • Energy Conservation
  • Cost-Benefit/Return on Investment Forecasting
  • Performance Testing
  • Solar-PV System Sizing


At GEM, we’re committed to helping you find the best solutions to maximize your energy savings. Regardless of whether your goal is to reduce energy consumption or conduct a residential audit, our skilled team will work with you every step of the way and take the time to answer any questions you have. In addition to home energy-efficient residential energy efficiency consulting in Stockton, we also provide green building consulting services, from state-mandated third-party verification to nationally recognized green building certification programs. For more information on how we can assist you, schedule a consultation at (707) 528-7318 or email us at