Updated and expanded, this edition includes new material on early replacement business justification, lease arrangements and effect on ECM project interest, coordinating upstream/downstream set points, semiconductor fab multi-stage HVAC air tempering, commissioning, HVAC overlapping heating and cooling, and much more. The book begins with the premise that when commercial facilities are subdivided into categories based on business type, many useful patterns can be identified that become generally applicable to the performance of an effective energy audit. The author discusses procedures and guidelines for a wide range of business and building types, such as schools and colleges, restaurants and fast food, hospitals and medical facilities, grocery stores, laboratories, lodging, apartment and office buildings, retail, public safety, data centers, churches and religious facilities, libraries, laundries, and warehouses. He also covers all focal areas of the building energy audit and assessment, including building envelope, lighting, HVAC, controls, heat recovery, thermal storage, electrical systems, and utilities." -- Publisher.