The document outlines the pivotal role of the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE) in establishing standards and codes that influence mechanical engineering, particularly in safety, health, and energy efficiency. It highlights how compliance with ASHRAE standards is essential for ethical practices and legal obligations in the industry, affecting indoor air quality, energy consumption, and overall building performance. Additionally, it discusses the integration of ASHRAE standards with local regulations like the Philippine Mechanical Engineering Act, emphasizing the importance of adherence to ensure proper system design and functionality.