Rheannon DeMond specializes in sustainable design, decarbonization, and high-performance buildings. She develops practical, data-driven strategies to reduce carbon emissions, improve energy efficiency, and enhance resilience for multifamily, commercial, institutional, and affordable housing projects. Her expertise includes owner’s consulting, decarbonization planning, whole-building energy analysis, and sustainable consulting.

With expertise in Passive House design, building diagnosis, and mechanical systems, Rheannon helps owners, developers, and design teams evaluate design alternatives, optimize building performance, advance electrification strategies, and pursue sustainability certifications from concept through construction. She integrates technical analysis with considerations for constructability, occupant comfort, and project costs to support informed decisions and resilient, low-carbon buildings.