Andrew Steingiser

The Best Passive House and Building Enclosure Consultant in Boston

Andrew SteingiserHe/Him


Architecture, Energy Engineering, Sustainability Consulting

Associate, Senior Project Architect

RDH Building Science Inc.

Boston, MA

  • 4.1M GSF
  • 4 Projects
  • 17 Year Career


Andrew’s background as an Architect translates into thought partnership and helps bridge the conversation between disciplines to deliver low operational energy, low carbon outcomes while maintaining the design vision.      

Andrew is the Passive House lead in RDH’s Boston office and a Senior Project Architect. Andrew engages building owners and design teams as an early-phase design partner, consulting with them on scalable climate-resilient solutions. He champions operational and embodied carbon reduction of the built environment through clean, resilient, and future-proof buildings. An expert on local and regional regulations, Andrew helps RDH’s clients futureproof their projects.

Andrew serves on the Board of Directors for Passive House Massachusetts and the Stretch Energy Technical Advisory Committee for Massachusetts Department of Energy Resources (DOER).


Building Types

  • Education: Higher Ed
  • Healthcare
  • Laboratory / Tech / Science
  • Mixed Use
  • Office
  • Residential: Affordable Multi Family
  • Residential: Multi-family

Achieved Project Certifications

  • PHI
  • LEED