Character Design Architects (CDA) was established in the year 2011, in Cairo, Egypt. Led by founder, principal, and chief designer Ayman Emaira in partnership with Alia Amer. CDA is a full-service architecture, landscape, interior design, and projects management firm. In Character Design Architects we believe that our built environment plays a crucial role in increasing comfort, productivity, and promoting health. Our buildings should respond to our economical, social, environmental needs and promotes a better, healthier, and more sustainable life. Character Design Architects introduce a competing environmental design service. We add quality to your building by improving indoor thermal comfort, indoor air quality IAQ, health, and well-being. We work in collaboration with international research institutes to develop high energy-saving and energy-efficient design solutions. We use cutting edge CFD and energy simulation tools, validated experimental and scientific methods to guarantee optimized and efficient design solutions.