When the Shanghai Tower became the tallest building in China, a hybrid cooling system was added to the structure. You find creative solutions that will meet the objectives without added expense. The real challenge is how get environmental controls and amenities as you get higher?” Mehdi Jalayerian, Executive Vice President for Environmental Systems Design, Chicago, which is a consultant for HVAC design for supertall towers, says, “Supertalls are like cities standing vertically. But when a high-rise enters the supertall category, this single system approach becomes less efficient and more expensive. When it comes to a normal high rise, massive heat pumps and exchangers and a single cooling system and chiller plant on the roof can service the whole building. This brings perplexing problems for engineers who have to design temperature control systems for these buildings in order to make them habitable. These skyscrapers have become a status symbol for countries all over the world that are trying to out-do each other by constructing a taller and better structure. But the prowess of engineers is often challenged by the construction of supertall buildings as they have to focus on the structural design as well as their construction stability. ![]() Skyscrapers rise thousands of feet into the sky, and although these magnificent structures may look invincible, it is the responsibility of the architects to make them habitable.
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