Sustainable Spaces is the Bay Area's leading provider of home performance services, helping homeowners create homes that are comfortable, healthy, and energy efficient.

• We find and fix the root causes of wasted energy in homes
• We are licensed general, solar, HVAC and insulation contractors
• Our team includes of HERS-certified Home Performance Specialists, environmental engineers, and specially trained Home Performance Retrofitters
• We combine customer service with building science innovations and engineering solutions to transform homes into the most efficient, healthy versions of themselves
• We received the Best Overall award from Flex Your Power in 2008 for saving our clients over 745,000kWh of electricity and 149,000 therms of natural gas
• We practice what we preach by purchasing New Leaf paper, recycling and composting onsite, hiring a green cleaning crew, remodeling our office with sustainable and reclaimed materials, and purchasing ENERGY STAR appliances