Energy efficient high performance engineered curtainwall wall systems have effectively been used in all types of commercial, institutional, and industrial buildings.  Architectural Building Products representatives have the knowledge, experience, and manufacture relationships to provide assistance in the design, detailing, and engineering of these high performance curtainwall wall systems that can save energy by reduced HVAC equipment costs (elimination of the need for perimeter heating), and increased condensation resistance composite R values of 7 for curtainwall and glazing are achievable.  High performance curtainwall systems by Visionwall can also provide low shading coefficients, high visible light transmission, and improved sound attenuation which will raise occupant comfort and productivity.