PSA specializes in building sustainability with expertise in architectural design, construction management, building science, building diagnostics, energy efficiency, zero energy buildings, and Passive House. Specialties: Analysis of design and construction practices for new and retrofit construction. Focusing on maximizing sustainable building practices, energy efficiency, building durability, comfort, occupant health and safety, and indoor air quality. Certified: HERS Rater, LEED Green Rater, PHIUS+ Rater, and Level I Building Science Thermographer.