About this challenge
In 2021, Nagakawa Group was selected by the World Bank and the Ministry of Natural Resources and Environment to participate in the project: Phasing out the use of HCFC-22 technology and transitioning to HFC-32 technology in air conditioning production in Vietnam. This technology helps eliminate substances harmful to the ozone layer and contributes to creating a better living environment.
The challenge for Nagakawa: to find an energy-saving consumption solution to reduce CO2 emissions, given that coal-fired power plants account for up to 45.6% of the total electricity production in the entire system. In the era of digital transformation, Nagakawa has employed digital technology to address the Green Transformation, providing energy-saving consumption solutions for office buildings, apartments, and more.
Submission guidelines
1. Startups are required to submit their solutions in a PDF file.
2. The solution should include the following elements:
- Introduction of the Business
- Proposed Technology tailored for the customer
- Successful case studies
- Estimated Implementation Timeline
Updates
Submit your proposal
Submissions are closed
This Challenge is no longer accepting proposals.
One platform connecting startups, corporations, research institutions, regions and investors











Playbook & Handbook · February 6, 2026
Winning Accelerator Playbook 2026 by BambuUP
EDTECH: LEVERAGING AI-POWERED TECHNOLOGIES TO TRANSFORM THE LEARNING EXPERIENCE