SPACECOOL List of News Articles

SPACECOOL Co., Ltd. is pleased to announce its support for the purpose of the newly established memorial day "Day to End the Too Hot Summer" by the Japan Climate Leaders Partnership (JCLP). In order to address the increasingly severe heat waves, we will continue to promote the expansion of our zero-energy cooling radiative cooling material "SPACECOOL." JCLP has registered August 8, 2025, and every August 8 thereafter, as "Day to End the Too Hot Summer" with the Japan Anniversary Association. — What is the new memorial day "Day to End the Too Hot Summer"? In recent times, many regions in Japan have been experiencing consecutive days of extreme heat, and the impacts of climate change are manifesting in serious ways in our lives. Nevertheless, reports and discussions linking this to "climate change" are limited, and there is currently a lack of momentum for climate change measures. In response to this issue, JCLP has decided to establish the "Day to End the Too Hot Summer" during this hottest time of the year, creating a social impetus to reframe "heat" as a climate change issue. This memorial day aims to share the commitment to halt the climate crisis for future generations and serve as a starting point for advancing the systemic transformation of society as a whole.

SPACECOOL Co., Ltd., which is attracting attention for its advanced radiative cooling technology, will hold a panel discussion and workshop in collaboration with the Emirates Palace Mandarin Hotel, a luxury resort representing Abu Dhabi, at the UAE Pavilion during the 2025 Osaka-Kansai Expo. At this event, our CEO, Masahiro Suemitsu, will take the stage at the UAE Pavilion. We will connect live with the Emirates Palace Mandarin Hotel and introduce a case study of a tent roof for a tennis court constructed on the hotel grounds using "SPACECOOL." We will also present how this material performs in the hot climate of the Middle East and what future developments can be expected. Event Overview Event Name: Cooling Innovation: SPACECOOL’s Technology in Action Date and Time: August 2, 2025 (Saturday) from 14:00 to 16:00 Venue: UAE Pavilion at the 2025 World Expo (Osaka-Kansai Expo) Participation Method: Please purchase an Expo ticket in advance and come to the UAE Pavilion by the event start time.

We are pleased to announce that a tent roof made from our developed and sold radiative cooling material "SPACECOOL" has been adopted for the approximately 3,200 square meter tennis court located at the Emirates Palace Mandarin Hotel, a world-class luxury resort in Abu Dhabi, United Arab Emirates. The Emirates Palace Mandarin Hotel is a landmark in the UAE, featuring a massive 1.3-kilometer private beach and sprawling gardens covering 100 hectares, making it one of the world's premier luxury resorts. It also houses a top-class tennis academy, serving as a training base for professional athletes. SPACECOOL achieves zero-energy cooling by reflecting sunlight and releasing heat into space, allowing for efficient temperature reduction inside the tent without the use of air conditioning, even under direct sunlight. It provides a comfortable and safe thermal environment for sports players and operational staff. We will continue to contribute to solving sustainable and energy-free heat challenges in the Middle East region, including the UAE.

SPACECOOL Co., Ltd. is pleased to announce that the waterproof sheet "Innovation Proof RR," which integrates the radiative cooling material "SPACECOOL" manufactured and sold by Ronsil Industrial Co., Ltd., has received the Excellence Award at the "Excellent Products and Technology Awards 2025" organized by the Japan Building Materials Association (JBMA). The Excellent Products and Technology Awards 2025 aims to promote outstanding building materials and housing equipment products and technologies to society, improve quality and construction techniques, and contribute to the further development and enhancement of the entire construction industry. It is the only award system in Japan recognized by the Ministry of Economy, Trade and Industry and the Ministry of Land, Infrastructure, Transport and Tourism concerning building materials and housing equipment. Ronsil Industrial has launched a new waterproof sheet, "Innovation Proof RR," which integrates the radiative cooling material "SPACECOOL" developed and sold by our company. This product can suppress temperature rise within buildings, reduce air conditioning energy consumption and CO2 emissions, and improve the working environment. We perceive this award as recognition of the novelty and timeliness of the technology, including the carbon neutrality of Innovation Proof RR and its positive impact on the working environment.

SPACECOOL Inc., which develops and sells the radiative cooling material "SPACECOOL," announces that SPACECOOL has been implemented in the communication facilities of QTnet, Inc., which operates telecommunications services in the Kyushu region, resulting in a power usage reduction effect of approximately 10%. QTnet has faced challenges such as alerts triggered by temperature increases inside the communication facilities during the summer and rising air conditioning power consumption. Previously, measures were taken using heat-reflective paint, but SPACECOOL was experimentally introduced on the roofs and all sides of some communication facilities. As a result, it was confirmed that the internal temperature of the communication facilities could be reduced by up to 5.3°C, leading to its implementation in 16 communication facilities. Effect of power usage reduction Since the introduction of SPACECOOL on September 15, 2023, the effects of power usage reduction have become evident, particularly during the months of April to August when temperatures rise, with a maximum reduction rate of 10.3% confirmed in July, especially on days with high solar radiation.

The tent and large sunshade utilizing the radiation cooling material "SPACECOOL," operated and sponsored by SPACECOOL Inc., have begun to be used at the Osaka Kansai Expo (hereafter referred to as the Expo) venue to help prevent heatstroke for visitors and staff. The SPACECOOL tents are installed near the East Gate close to the Osaka Metro Chuo Line's Yumeshima Station and near the West Gate facilities' West Lost and Baby Center, with identifying stickers placed on the tents. Additionally, SPACECOOL large sunshades are being used by staff throughout the venue. SPACECOOL is a new material with world-class radiation cooling performance that not only blocks heat from sunlight and reduces heat absorption but also allows heat to escape into space as infrared radiation in the wavelength range of the "atmospheric window," enabling a temperature drop below the outside temperature with zero energy. With continued extreme heat this summer and an increased risk of heatstroke, the Expo is implementing measures against the heat, such as the establishment of cool spots and rest areas. Our company contributes to the comfortable and safe operation of the venue through the sponsorship of tents and sunshades using SPACECOOL.

SPACECOOL Co., Ltd. will be exhibiting at the JETRO booth during the "ASIA Sustainable Energy Week 2025 (ASEW2025)," one of Asia's leading exhibitions focused on promoting sustainable energy solutions, which will be held in Bangkok, Thailand from July 2 (Wednesday) to July 4 (Friday), 2025. Not only in Japan but also in Thailand, the adoption of SPACECOOL is progressing for energy-saving purposes in buildings such as factories and warehouses, as well as for air conditioning outdoor units, and further expansion of its use is expected in the future. At the booth, we will showcase case studies demonstrating energy reduction in air conditioning and improvements in working environments achieved through the introduction of SPACECOOL, as well as product samples that allow visitors to experience the effects of SPACECOOL firsthand. We invite you to stop by our booth when you visit the venue. Exhibition Overview: Dates: July 2 (Wednesday) to July 4 (Friday), 2025, 10:00 AM to 6:00 PM (local time) Venue: Queen Sirikit National Convention Center (Bangkok) Exhibition Format: Within the JETRO Pavilion (Hall 4, W11) *Advance registration is required for entry (free of charge).

SPACECOOL Co., Ltd. is pleased to announce the results of a study conducted in collaboration with Professor Tomoyuki Chikamoto, a professor in the Department of Architecture and Urban Design at Ritsumeikan University and Director of the Ritsumeikan Sustainability Research Center, and Associate Professor Myoung-Kyung Lee from the same department, regarding the impact of radiative cooling materials on the energy efficiency of buildings. This research also evaluates the effects of applying radiative cooling materials in the form of waterproof sheets and roof shades on building roofs and rooftops, and continues to analyze case studies for the "Gas Pavilion" at the 2025 Osaka-Kansai Expo. To date, our company has been conducting joint research with Professor Tomoyuki Chikamoto and Associate Professor Myoung-Kyung Lee to scientifically visualize the energy efficiency of buildings. Through simulations using standard building models, we have clarified that applying radiative cooling materials to roofs and rooftops can yield energy-saving effects. The results of this research are scheduled to be presented on September 10 at the organized session of the "2025 Architectural Institute of Japan Conference (Kyushu)" to be held at Kyushu University from September 9 to 12, 2025.

SPACECOOL Co., Ltd. gave a presentation at the "11th JR East Startup Program DEMODAY" held on May 27 and was selected for the overall grand prize, the "Startup Award." In collaboration with JR East, which owns numerous outdoor electrical facilities, we focused on platform doors, the number of which is expected to double in the future, and conducted a demonstration aimed at adapting to global warming within this program. Specifically, we introduced the radiative cooling material "SPACECOOL," which can cool with zero energy, into the equipment section of the platform doors, verifying its practicality under railway conditions in terms of workability, durability, and temperature reduction effects. We confirmed with JR East that the installation is realistic and that a significant temperature reduction effect can be achieved. This is a proactive initiative to reduce future risks in advance. Moving forward, we will expand the scope of our demonstrations beyond platform doors to various outdoor electrical facilities, vehicles, and buildings owned by railway companies, contributing to the realization of safe and stable transportation as advocated by JR East and other railway companies.

SPACECOOL Co., Ltd. conducted a demonstration test last year in collaboration with the Tokyo Metropolitan Bureau of Transportation and Longseal Industrial Co., Ltd. at the Shinagawa Motor Vehicle Office of the Tokyo Metropolitan Bureau of Transportation, aimed at reducing air conditioning energy consumption. In this experiment, SPACECOOL waterproof sheets (currently known as Innovation Proof RR), utilizing our radiative cooling materials, were installed on the rooftop of the building, confirming a maximum reduction effect of 8.7% and an average of 7.8% in the electricity consumption of the office. Demonstration Test Results By comparing the electricity consumption of the motor vehicle office in fiscal years 2023 and 2024 and calculating the reduction rate, it was confirmed that the installation of the SC sheet resulted in a maximum reduction of 8.7% and an average reduction of 7.8% in electricity consumption during the summer months. It is inferred that there was almost no impact from external temperatures on electricity consumption, as there was no significant difference in the average temperature in Tokyo between the two years. We believe that confirming the energy-saving effects of SPACECOOL on buildings, with the cooperation of the Tokyo Metropolitan Bureau of Transportation, further supports SPACECOOL's carbon neutrality. We will continue to promote the expansion of SPACECOOL, particularly in the building sector, contributing to the realization of a carbon-neutral society.

SPACECOOL Corporation will exhibit at the "Global Warming Prevention Exhibition," which aims to promote CO₂ reduction and new energy and energy-saving businesses, to be held at Tokyo Big Sight from May 28 (Wednesday) to May 30 (Friday), 2025. At our booth, we will showcase case studies demonstrating energy savings achieved through the introduction of SPACECOOL, as well as product samples that provide comfort during summer with zero energy. Additionally, in the corridor behind our booth, we will display the "SPACECOOL Roof Shade," a manufacturer-exclusive construction method utilizing SPACECOOL as a solution for heat issues in buildings during summer, presented by Japan Wide Cross Co., Ltd. (Booth Number: R617). When you visit the venue, please be sure to stop by both booths. Exhibition Dates: May 28 (Wednesday) to May 30 (Friday), 2025, 10:00 AM to 5:00 PM (until 4:00 PM on the last day) Venue: Tokyo Big Sight, East Hall 6 Our Booth Number: R625 Exhibition Content: Experience model of SPACECOOL's radiative cooling effect, introduction of the latest solution cases, list of products for sale, and more. *Advance registration is required for entry (free of charge).

SPACECOOL Inc., which develops and sells the radiation cooling material "SPACECOOL" that releases heat into space to achieve zero-energy cooling, will exhibit at the "Manufacturing Industry Carbon Neutral Exhibition," which showcases technologies for energy conservation and carbon neutrality in factories, held at Intex Osaka from May 14 (Wednesday) to May 16 (Friday), 2025. The radiation cooling material "SPACECOOL" not only blocks heat from sunlight and reduces heat absorption but also allows for a temperature drop below the outside air temperature using the principle of radiative cooling, making it a new material capable of zero-energy cooling. By introducing it to factory roofs and outdoor air conditioning units, it helps suppress temperature rises inside buildings and equipment, contributing to the reduction of air conditioning energy. If you are considering carbon neutrality measures for your factory, please visit our booth. Exhibition Overview: Dates: May 14 (Wednesday) to May 16 (Friday), 2025, 10:00 AM to 5:00 PM Venue: Intex Osaka, Hall 6 Our Booth Number: K10-9 Exhibition Content: Experience model of SPACECOOL's radiative cooling effect, introduction of the latest solution examples, list of products for sale, etc.

SPACECOOL Co., Ltd. is pleased to announce the introduction of the SPACECOOL roof shade on the factory roof of Honda Engineering Asian Co., Ltd., an overseas base of Honda Motor Co., Ltd. in Thailand, with the aim of confirming the effects of reducing air conditioning energy and improving the labor environment. Honda has been promoting the domestic introduction of the radiative cooling material "SPACECOOL," and has experienced its cooling effects, such as reducing internal temperatures by approximately 15°C in the corridor between buildings at the Kiryū factory and reducing air conditioning energy consumption in container houses by about 46%. Thailand is said to have a high amount of solar radiation throughout the year, with an average solar radiation level more than 1.5 times that of Japan, resulting in significant air conditioning energy consumption in buildings. Therefore, at the EGAS factory in Thailand, where heat-related issues are more severe than in Japan, the decision was made to introduce the "SPACECOOL roof shade" based on the judgment that this material is effective in reducing air conditioning energy and improving the working environment for employees compared to conventional heat mitigation technologies. Based on this achievement, our company will strive to expand the adoption of this material as a decarbonization solution to local companies in Thailand and Japanese companies with a presence in Thailand.

SPACECOOL Co., Ltd. and Ronsil Industrial Co., Ltd. are pleased to announce the completion of the development and verification testing of the waterproof sheet integrated with the radiative cooling material "SPACECOOL," which has now been launched for sale by Ronsil Industrial under the name "Innovation Proof RR." In fiscal year 2023, our company and Ronsil Industrial received support from Osaka Prefecture's "Carbon Neutral Technology Development and Verification Project" to develop building materials that apply SPACECOOL to the roofs of buildings, verifying the effects of reducing indoor air conditioning energy and CO2 emissions. With the completion of the effectiveness verification, we have now reached the point of selling the product under the name "Innovation Proof RR" through Ronsil Industrial. Moving forward, our company will continue to expand the introduction of SPACECOOL into buildings and social infrastructure, aiming for the realization of a carbon-neutral society. Features of Innovation Proof RR By integrating SPACECOOL into the waterproof sheet manufactured by Ronsil Industrial, this new product achieves a balance of "waterproof performance + radiative cooling performance." It suppresses temperature rise inside buildings, leading to reductions in air conditioning energy and CO2 emissions.

SPACECOOL Co., Ltd. is pleased to announce that its film utilizing the radiative cooling material "SPACECOOL" has been certified as a technology contributing to heat island countermeasures by the Osaka Heat Island Countermeasure Technology Consortium (Osaka HITEC), which implements a heat island countermeasure technology certification system. The heat island phenomenon refers to the increase in temperature in urban centers compared to suburban areas due to the rise in buildings and asphalt associated with urbanization and the impact of artificial heat emissions. By applying this technology to building roofs and outdoor infrastructure, it helps to suppress the rise in internal building temperatures and contributes to the reduction of air conditioning energy required for cooling. In addition to this function, it has also been certified for its contribution to mitigating the rise in external building temperatures, which is essentially the heat island phenomenon. - About Osaka HITEC An organization that promotes collaboration and cooperation among industry, academia, government, and the private sector for the development and dissemination of heat island countermeasure technologies. - Certified Products SPACECOOL Film_White (Model No.: SCF-A25M-XNW) SPACECOOL Film_Silver (Model No.: SCF-A25M-XNS) * "SPACECOOL" is a registered trademark.

SPACECOOL Co., Ltd. is pleased to announce that it has received the "Tokyo Governor's Award," the top prize in the "Unicorn Category" of the "Tokyo Venture Company Championship 2024," organized by the Tokyo Unicorn Project Management Committee. During the final judging, our CEO, Masahiro Suemitsu, took the stage. He presented on issues related to heat, such as the increase in electricity consumption in buildings due to global warming and the declining economic efficiency of livestock and fisheries. He explained how our radiative cooling material, "SPACECOOL," can serve as a solution for zero-energy cooling, and discussed its market potential and future developments. We believe that receiving the "Tokyo Governor's Award," the highest honor, reflects the recognition of our potential for global expansion. Moving forward, we will continue to improve heat-related challenges worldwide and expand our business towards achieving a carbon-neutral society.

We are pleased to announce that SPACECOOL Inc. has received the Excellence Award at the "DBJ Startup Acceleration Award 2024," hosted by the Development Bank of Japan (DBJ), which aims to discover and nurture innovative startups that have an impact on the economy and society. Comment from Masahiro Suemitsu, CEO of SPACECOOL Inc. We are truly honored to receive the prestigious Excellence Award. SPACECOOL Inc. is a climate tech startup that I founded in 2021 to commercialize "radiative cooling materials," which I began researching and developing in 2017. Currently, the issues caused by global warming are becoming increasingly apparent, and humanity can no longer afford to overlook its impacts. We have set our vision as "Bringing the Coolness of Shade to the World," and through our radiative cooling materials that release heat into space to achieve zero-energy cooling, we aim to contribute to both adaptation and mitigation strategies against global warming. I perceive this award as recognition that the innovative technology of SPACECOOL should be disseminated worldwide as a solution to global warming. We will continue to take on challenges to make humanity's future brighter.

SPACECOOL Co., Ltd. is pleased to announce that the new product, SPACECOOL Film (high durability), has been adopted on the roof of a coin laundry operated by Autobacs Seven Co., Ltd. This marks the first case of its adoption. In pursuit of reducing air conditioning energy in the coin laundry and improving the comfort of the store environment, SPACECOOL Film (high durability) has been introduced for the first time on the store roof. By applying the radiative cooling material "SPACECOOL" to the roof, we significantly cut down on the solar heat entering the store during the summer, enabling low-energy store operations and contributing to a reduction in CO₂ emissions, which led to its adoption. Autobacs Seven plans to consider the introduction of the radiative cooling material "SPACECOOL" to other Autobacs stores and product development as the first step with this coin laundry. Our company has been jointly developing specialized construction methods, such as roof shade methods for standing seam metal roofs and waterproof sheet methods for concrete roofs, with manufacturers. With the launch of the new product SPACECOOL Film (high durability), we will continue to improve and develop the product to allow for easy application on the roofs of general buildings.

SPACECOOL Co., Ltd. is pleased to announce the launch of a new product, "SPACECOOL Film (High Durability)," which utilizes the radiative cooling material "SPACECOOL" that radiates heat into space for zero-energy cooling. This product is an improved version of the conventional SPACECOOL Film, enhancing its weather resistance and workability. The lifespan has been increased to approximately 15 years, and improvements in application to flat surfaces and enhanced adhesion have expanded the range of application (*¹). The radiative cooling performance is equivalent to that of the previous model, and it has also received non-combustible material certification from the Minister of Land, Infrastructure, Transport and Tourism. The color variation for this product is only available in white. (*1) The applicability of installation may vary depending on the customer's usage environment. For more information and photos of this product, please refer to the press release.

Our company and Ikunam Research Institute, with technical support from the Shizuoka Prefectural Livestock Technology Research Institute's Small Livestock Research Center, have confirmed significant economic benefits by installing the radiative cooling material "SPACECOOL" on the roofs of pig barns owned by pig farmers in Shizuoka Prefecture, resulting in a reduction of the shipping age of fattening pigs by nearly one month (25 days). ▼ Temperature Measurement Results - Measurement Period: August 2024 - Outside Temperature: Maximum 32.9℃, Minimum 25.9℃ - Surface Temperature Comparison: Uninstalled Area 67.1℃ → Installed Area 33.4℃ (Confirmed a temperature difference of over -33℃) ▼ Reduction in Shipping Age of Pigs with SPACECOOL Pig barns with SPACECOOL installed saw a significant reduction in heat influx from the roof during the summer, leading to a 25-day reduction in the shipping age of pigs compared to conventional barns. ▼ Economic Value for Livestock Farmers 300 pigs/month × 49,000 yen/pig (assuming carcass price of 700 yen/kg × 70kg/pig) × (25 days/30 days) = 12,250,000 yen For an overview of the demonstration test and photos, please refer to the press release. https://spacecool.jp/news/20250226/

SPACECOOL Co., Ltd., which develops and sells the radiation cooling material "SPACECOOL" that releases heat into space to achieve zero-energy cooling, announces that it will exhibit a booth in collaboration with Japan Wide Cross Co., Ltd. and Ronseal Industry Co., Ltd. at the "Architecture and Building Materials Exhibition 2025," one of Japan's leading comprehensive architecture exhibitions, held at Tokyo Big Sight from March 4 (Tuesday) to March 7 (Friday), 2025. At this exhibition, we will introduce models and case studies of the manufacturer-exclusive construction method utilizing SPACECOOL as a solution for summer heat issues in buildings, specifically Japan Wide Cross's "SPACECOOL Roof Shade" construction method for standing seam metal roofs, and Ronseal Industry's SPACECOOL integrated waterproof sheet "InnovationProof RR." [Exhibition Overview] Dates: March 4 (Tuesday) to March 7 (Friday), 2025, 10:00 AM to 5:00 PM (until 4:30 PM on the last day) Venue: Tokyo International Exhibition Center "Tokyo Big Sight," East Exhibition Hall 6 Our Booth Number: AC6513 *Advance registration is required for attendance (free of charge) For more details, please refer to our press release below.

We will be exhibiting at "ENEX2025," which will be held at Tokyo Big Sight from January 29 (Wednesday) to 31 (Friday). On January 31 (Friday) from 11:05 to 11:35, we will hold a presentation on energy-saving and CO2 reduction examples through the introduction of SPACECOOL on a special stage within the venue. Please stop by when you visit the venue. *Pre-registration is required for attendance (free). Exhibition URL: https://www.low-cf.jp/east/lp/enex/ Additionally, on January 23 (Thursday), I will be speaking at a WEB seminar featuring exhibiting companies from "ENEX2025," where I will explain the energy-saving effects of introducing SPACECOOL. Please register for participation using the application form below. https://docs.google.com/forms/d/e/1FAIpQLSerqdUqPnhDy71FOUlbz1a3A4oPfoL7QtNjrcCMY4GcG1hIFA/viewform *Application deadline is January 17 (Friday). For more details, please check the press release. https://spacecool.jp/news/20250110-2/