A New HVAC System for Resiliency and Ecology Utilizing Through-Wall Units on a High-rise Office Building

This paper describes the application of a new combination HVAC system utilizing exhaust heat recovery in through-wall units (TWU) for a tenant office building located in Ikebukuro, Japan. The office building is a high-rise reaching 100 meters and it straddles the railway tracks at Ikebukuro station,...

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Bibliographic Details
Published in:ASHRAE transactions 2021-01, Vol.127 (1), p.581-589
Main Authors: Kubo, Hirotaka, Tsukami, Shiro, Hasegawa, Iwao, Ichinose, Masayuki
Format: Article
Language:English
Subjects:
Air conditioners
Air conditioning
Air intakes
Air quality
Architecture
Building services
Corporate headquarters
Design
Design and construction
Disasters
Earthquakes
Energy conservation
Energy consumption
Energy efficiency
Environmental aspects
Environmental quality
Exhaust systems
Green buildings
Heat exchange
Heat exchangers
Heat recovery
High rise buildings
HVAC
HVAC equipment
Indoor air pollution
Indoor air quality
Japan
Nuclear energy
Nuclear power plants
Occupancy
Office buildings
Post occupancy evaluation
Railway stations
Railway tracks
Resilience
Skyscrapers
Tall buildings
Thermal environments
Ventilation
Vents
Water shortages
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Summary:This paper describes the application of a new combination HVAC system utilizing exhaust heat recovery in through-wall units (TWU) for a tenant office building located in Ikebukuro, Japan. The office building is a high-rise reaching 100 meters and it straddles the railway tracks at Ikebukuro station, which is one of the busiest train stations in the world. The successful integration of architectural, structural and building services systems made it possible to simultaneously solve the challenges of resilience, energy efficiency and indoor environmental quality. This HVAC system consists of central AC and perimeter TWU's. The TWU's can process perimeter heat by exchanging heat with an outdoor fan from an exterior grill If the central system should fail due to any accident or disaster, the TWU's can maintain HVAC operation by taking fresh air from perimeter vents at each unit.
ISSN:0001-2505