Rheannon DeMond specializes in sustainable design, decarbonization, and high-performance buildings. She partners with owners, developers, architects, and project teams to develop practical, data-driven strategies that reduce carbon emissions, improve energy efficiency, and enhance long-term resilience. Her work includes owner's consulting, decarbonization planning, whole-building energy analysis, and sustainability consulting for multifamily, commercial, institutional, and affordable housing projects.

With expertise in Passive House design, building diagnostics, and mechanical systems, Rheannon helps clients evaluate design alternatives, optimize energy performance, support electrification strategies, and navigate sustainability certifications from concept through construction. She combines technical analysis with a practical understanding of constructability, occupant comfort, and project costs to help clients make informed decisions that deliver resilient, low-carbon buildings.