NEXUS provides design, consulting, testing and inspections for all aspects of building envelope performance and commissioning. Our Principals and Project Managers are licensed architects with over 100 years of combined specialty experience, and are hands-on thought leaders changing the building science landscape.. NEXUS provides durable, energy-efficient building envelope solutions working in conjunction with design and construction teams to best serve your needs. From start to finish, we provide our clients with comprehensive envelope design solutions, while never sacrificing constructability, performance or sustainability.