Bay Area's leading home performance retrofitter.

Sustainable Spaces is here to bring your home up to today's high standards of energy efficiency, comfort, and health. We apply building science to evaluate and retrofit your home's performance.

Our program is so effective we have been recognized as the case study for home performance retrofitting in the REGREEN Green Remodeling Best Practice Guidelines (USGBC/ASID).

	GreenUP Home Energy Assessment The GreenUP is the first step to an energy efficient, healthier home. A comprehensive diagnosis based on building science, the GreenUP results in a roadmap to solving your home's issues. Our Process GreenUP assessment Diagnosis of problem Customized solution Performance retrofit Quality assurance