Gindin M.
3/19/2025
This is long overdue, a number of years ago we had building efficiency come out and assess our home, I felt like they were so knowledgeable, professional, and informative - it was truly a...
Building Efficiency
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(86)
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2037 Irving St Ste 213
San Francisco, CA 94122
Building Efficiency is a San Francisco-based company specializing in energy upgrades and efficiency audits for homes and commercial properties in the Bay Area. With a team of dedicated professionals, they have helped hundreds of clients save on energy costs through HVAC and insulation upgrades, while also guiding them through rebate programs for additional savings.
Known for their thorough and professional approach, Building Efficiency has received rave reviews from satisfied customers who have experienced increased comfort in their homes and significant reductions in energy bills. Their commitment to customer service and expertise in energy efficiency make them a top choice for those looking to improve the energy performance of their properties.
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Reviews
5.086 reviews
Jeremy J.
5/13/2024
David and his team installed a heat pump and heat pump water heater in my home several years ago, and I have been very pleased with them and Building Efficiency's ongoing support. When my garage...
Kris D.
6/6/2024
I worked at Nest on the thermostat and energy algorithms for over seven years, and so I'm picky when it comes to HVAC contractors. When I look for an HVAC contractor, I don't just want one who...
Boris ..
11/2/2024
David and team have been instrumental in helping us to upgrade our old furnace and ducts. They did a full assessment, provided several options with pros and cons of each and walked us through...
Erik W.
3/18/2025
David and his team were a pleasure to work with. I contacted them via Yelp and was scheduled for an initial intake by Russell who discussed my project needs which was followed up by an on-site...
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