For the most current information on energy conservation code requirements, refer to the 2012 INTERNATIONAL ENERGY CONSERVATION CODE®. This highly beneficial resource fosters energy conservation through efficiency in envelope design, mechanical systems, lighting systems, and through the use of new materials and techniques. With this comprehensive and cuttingedge coverage, it is a critical component of a user's code books. New in the 2012 IECC® A comprehensive set of changes includes measures to improve the thermal envelope, HVAC systems, and electrical systems of residential buildings up to three stories in height. Commercial enhancements include required energy savings for windows, doors, and skylights; thermal envelope efficiency; and increased efficiencies for installed HVAC equipment. For the most current information on energy conservation code requirements, refer to the 2012 INTERNATIONAL ENERGY CONSERVATION CODE®. This highly beneficial resource fosters e