The Petronas Towers, also known as the Petronas Twin Towers (Malay: Menara Petronas, or Menara Berkembar Petronas) are twin skyscrapers in Kuala Lumpur, Malaysia. According to the Council on Tall Buildings and Urban Habitat (CTBUH)’s official definition and ranking, they were the tallest buildings in the world from 1998 to 2004. The buildings are a landmark of Kuala Lumpur, along with nearby Kuala Lumpur Tower.
The service building is to the east of the Petronas Towers and contains the services required to keep the building operational, such as dissipating the heat from the air-conditioning system for all 88 levels in both towers.