Mitsui Fudosan and Daikin Launch TOKYO COOL PROJECT with Outdoor Air Conditioners at Tokyo Midtown Yaesu

On June 16, 2026, Mitsui Fudosan Co., Ltd. and Daikin Industries, Ltd. announced the launch of the TOKYO COOL PROJECT, a joint initiative to mitigate summer heat and improve visitor comfort in urban public spaces. As the first phase, two units of Daikin's OUTER TOWER outdoor air conditioner will operate in the first-floor Galleria of Tokyo Midtown Yaesu for approximately 3.5 months, from June 11 to September 30, 2026.

First-phase deployment

The project's stated purposes are to examine heat-mitigation measures in urban areas, create environments where visitors can spend time comfortably during the summer, and generate vibrancy that improves pedestrian circulation. The equipment was also put to use at the Sanno Matsuri Yaesu Ennichi 2026 festival, held at Tokyo Midtown Yaesu on June 12 and 13, as part of efforts to provide a comfortable environment for attendees.

Mitsui Fudosan and Daikin plan to apply the knowledge gained through this initiative to explore new approaches to urban heat mitigation and examine the potential for future expansion to other facilities and areas. The companies also aim to create safe, secure, and comfortable urban spaces and promote sustainable neighborhood development.

OUTER TOWER product specifications

OUTER TOWER is Daikin's outdoor air conditioner designed to improve comfort in open spaces. Key characteristics include:

• Four-direction air flow: Cool air is blown in four directions – front, back, left, and right – creating a comfortable zone extending up to approximately 3 m from the unit.
• Integrated indoor/outdoor design: No refrigerant piping work is required; however, power wiring connection and drain installation are necessary.
• Tower-shaped form factor: The unit is designed to blend into open outdoor surroundings.

Parameter	Value
Power supply	Single-phase 200 V
External dimensions (H × W × D)	1,700 mm × 521 mm × 521 mm
Weight (machine body)	100 kg
Operation mode	Cooling and ventilation

Background

The number of extremely hot days in urban areas has been increasing in recent years due to climate change and other factors. Addressing heat-related illness and creating environments where people can spend time comfortably outdoors have become important social issues. Tokyo Midtown Yaesu hosts various events year-round and creates opportunities for social interaction; ensuring that its outdoor spaces remain comfortable in summer is a priority for the venue, which attracts large numbers of visitors.