The hospitality industry consists of various sectors like accommodation, food and beverage, events, entertainment, and tourism. It is a multi-billion dollar industry dependent on leisure time and disposable income. Hotels are establishments that provide boarding and lodging services. Greenpark Hotels offer 147 rooms along with facilities like restaurants, bars, meeting rooms, and laundry services. They aimed to improve guest satisfaction by replacing old, loud bathroom fans with new ENERGY STAR qualified fans that operate quietly and reduce energy bills.