What are the advantages of a 4-pipe heating and cooling plant over a 2-pipe system?

A 4-pipe system offers greater flexibility and simultaneous heating and cooling capabilities, making it suitable for buildings with diverse temperature requirements. In contrast, a 2-pipe system can only provide either heating or cooling at a given time. Additionally, 4-pipe systems can reduce energy consumption by allowing for more efficient use of equipment and reducing the need for simultaneous heating and cooling.