The Building Efficiency Team
Building Efficiency is a team of dedicated home performance professionals based in San Francisco. Since operations began in 2009, we have performed hundreds of home energy upgrades and saved home owners thousands on their home energy costs.
Building Efficiency Team
At Building Efficiency, we provide home insulation upgrades and install efficient heat pump water heaters and heat pump HVAC systems with our highly experienced field team. Our entire field staff has been with Building Efficiency for years and are personable and professional.
Customer service is a top priority for Building Efficiency and our Office Manager will help prepare your project and efficiently process rebates so your home energy upgrade goes smoothly.
David Hamburger, Owner and Lead Building Analyst
Personally and professionally committed to green, climate friendly values, David Hamburger has earned a range of building efficiency credentials, including CBPCA Verified: Home Performance Contractor, and BPI Certified: Building Analyst, and HERS Rater: HERS 2. David holds a CA State Contractor License C10, C36, C20, & General B. He holds a B.S. in Ecology and Evolutionary Biology from University of California, Santa Cruz.
David’s work, along with the Building Efficiency team, has resulted in thousands of home owners and property owners, who now enjoy more comfortable home environments with lower energy bills.
David’s building experience includes conventional and alternative construction—from traditionally constructed Northern California homes to passive homes using a variety of materials such as cob, rammed earth, and straw bale.
David Hamburger explaining the Home Energy Upgrade Process to the US Department of Environment (DOE), CA Public Utilities Commission(CPUC) and SF department of environment(SFE)
Building Efficiency Mission Statement
Building Efficiency was conceived in response to the growing environmental, economic, and health challenges we face today. We believe that Building Efficiency is the first step in sustainable action. We aim to reduce your energy costs and build a green footprint in your community.