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There are several "Green Building Evaluation Systems" around the world that assess the environmental performance of buildings. Notable examples include the LEED in the United States and BREEAM in the United Kingdom, while Japan has its own evaluation system called "CASBEE." In this article, we will explain the overview and objectives of green building evaluation systems, as well as the features and benefits of Japan's CASBEE. We invite you to read on. [Contents] ■ What is a Green Building? ■ Major Green Building Evaluation Systems Worldwide ■ Objectives of Green Building Evaluation Systems ■ What is Japan's Green Building Evaluation System "CASBEE"? ■ Benefits of Implementing CASBEE *For detailed content of the article, please refer to the related links. *For more information, please check the PDF materials or feel free to contact us.

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The report adopted at the meeting of the Intergovernmental Panel on Climate Change (IPCC) held from October 1 to 6, 2018, warns that global temperatures could rise by 1.5°C compared to pre-industrial levels by 2030. At the same time, it emphasized the need to reduce global carbon dioxide (CO2) emissions by "45% compared to 2010 levels by 2030" and to achieve "net zero" by around 2050 in order to keep the temperature rise around 1.5°C. For more details, please refer to the related links. We encourage you to read it. [Contents] ■ One of the important meetings in the history of the IPCC ■ The possibility of a 1.5°C rise in global temperatures between 2030 and 2052 ■ The need for "net zero," where greenhouse gas emissions and reductions balance out to zero ■ Not "2°C," but "1.5°C" ■ Expected to influence COP24, with countries facing demands for strict measures *For more details, you can view the related links. *For more information, please refer to the PDF document or feel free to contact us.

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In general, each refrigerant has a value for the Global Warming Potential (GWP) indicated. This GWP value is presented in reports by the IPCC, a global organization. In this article, we will explain what the IPCC is. Please take a moment to read it. 【Contents】 ■ What is the IPCC ■ Organizational structure of the IPCC ■ Structure of assessment reports ■ Previous reports by the IPCC ■ The IPCC and Global Warming Potential (GWP) *For detailed content of the article, please refer to the related links. *For more information, please check the PDF materials or feel free to contact us.

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The "Kigali Amendment," which establishes obligations for the phased reduction of HFC consumption. In Japan, in anticipation of the issuance of the Kigali Amendment on January 1, 2019, a response plan was compiled in September 2017. In response, a public comment period was held from October 6 to November 6, 2017, but this time we will explain the proposal before reflecting public comments. Please take a moment to read it. 【Contents】 ■ Japan's response to the Kigali Amendment ・Basic policy for domestic guarantees ・Regulated substances ・Handling of standard limits ・Handling of destruction quantities ・Other considerations *Detailed content of the article can be viewed through related links. *For more information, please refer to the PDF materials or feel free to contact us.

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The substitute for freon, "HFC (hydrofluorocarbons)," is widely used as a refrigerant in many devices and equipment. However, although HFCs are not ozone-depleting substances, they have a significant greenhouse effect, being 100 to over 10,000 times more potent than carbon dioxide, and measures to reduce their use have been deemed necessary. Due to the impact of HFCs, the average temperature increase by the end of this century is estimated to be about 0.5 degrees Celsius. In this context, from October 10 to 14, 2016, the 28th Meeting of the Parties to the Montreal Protocol was held in Kigali, Rwanda, where an amendment to the protocol (the Kigali Amendment) was made to establish obligations for the phased reduction of HFC production and consumption. [Contents] ■ The Kigali Amendment mandates the phased reduction of HFCs. ■ The necessity of transitioning from HFC refrigerants to non-freon refrigerants. *For detailed information, please refer to the related links. *For more details, please check the PDF materials or feel free to contact us.

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The term "COP" frequently appears in news related to global warming, along with treaties such as the "Kyoto Protocol," "Paris Agreement," and "Montreal Protocol." We will organize and clearly explain the purpose and content of each. Please take a moment to read. 【Contents】 ■ What is COP? ■ What is the Kyoto Protocol? ■ What is the Paris Agreement? ■ Differences between the Kyoto Protocol and the Paris Agreement ■ Montreal Protocol *For detailed content of the article, you can view it through the related links. *For more information, please refer to the PDF document or feel free to contact us.

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How to control energy consumption in stores, offices, factories, and other facilities is an important issue for any company. In particular, energy management systems (EMS) that centralize and optimize energy use are gaining attention, and there are increasing examples of their implementation. An EMS is a system that integratively manages the equipment introduced by each company for the purpose of energy conservation. It combines the energy-saving functions of individual equipment and systems to make adjustments that maximize effectiveness. To achieve this, a support role that can provide services from a comprehensive perspective is necessary. Energy management service providers take on this support role. *For more detailed information, please refer to the related links. *For more details, please check the PDF materials or feel free to contact us.

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On June 22, 1979, the "Law Concerning the Rationalization of Energy Use" was enacted. Known as the "Energy Conservation Law," this legislation established energy conservation as an issue that must be addressed and resolved at the national level, transcending the concerns of individual companies and individuals. In response, the government has actively implemented measures to support companies' efforts in energy conservation. At the center of these measures is a series of support initiatives known as energy conservation subsidies. Here, we will look at an overview of the support systems related to energy conservation and the specific details of the energy conservation subsidies. [Contents] ■ Overview and benefits of support systems related to energy conservation ■ What types of energy conservation subsidies are available ■ How to wisely utilize subsidies *For detailed information, please refer to the related links. *For more details, please consult the PDF materials or feel free to contact us.

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The Energy Conservation Act was enacted in 1979 in response to the oil crisis, and since then, various systems have been introduced. In recent years, the Energy Conservation Benchmarking System (Industry Top Runner System) was introduced in the industrial sector in 2009-2010, followed by its introduction in the business sector and the expansion of the target industries. This time, I will explain the key points of the Energy Conservation Benchmarking System based on materials from the Ministry of Economy, Trade and Industry. [Contents] ■ Overview of the Energy Conservation Act ■ What is the Energy Conservation Benchmarking System? ■ Awareness of issues in the Energy Conservation Act and the introduction of the Energy Conservation Benchmarking System ■ Expansion of the Energy Conservation Benchmarking System (Industry Top Runner System) ■ Class classification evaluation system for businesses *Detailed content of the article can be viewed via related links. *For more information, please refer to the PDF materials or feel free to contact us.

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Some refrigerants are mildly flammable, and it is said that many refrigerants for packaged products will be mildly flammable. In the future, to use such mildly flammable (A2L) refrigerants, R-32, R-1234yf, and R-1234ze were newly classified as "specific inert gases" in November last year, and requirements and facility guidelines were established by the Japan Refrigeration and Air Conditioning Industry Association (JRAIA). Here, we will provide an overview of this. [Contents] ■ Obligations when installing "specific inert gas" refrigerant equipment ■ Newly established requirements and facility guidelines ■ Facility guidelines for chiller products ■ Excerpt from JRA GL-15 facility guidelines ■ Excerpt from JRA 4068 refrigerant gas leak detection alarm *Detailed content of the article can be viewed through the related links. *For more information, please refer to the PDF materials or feel free to contact us.

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In December 2017, at the 12th meeting of the Industrial Structure Council, target values and target years were established for the newly designated products, turbo chillers and packaged air conditioners. In relation to this, we will explain the designated product system as stipulated in the Fluorocarbon Emission Control Act. Please take a moment to read it. [Contents] ■ Positioning of the designated product system under the Fluorocarbon Emission Control Act ■ Initiatives by designated product manufacturers, etc. ■ Current designated products ■ Products expected to be added to the designated products *Detailed content of the article can be viewed through the related links. *For more information, please refer to the PDF materials or feel free to contact us.

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The "Fluorocarbon Emission Control Law," which came into effect in April 2015, is a revised law that modifies the previous "Fluorocarbon Recovery and Destruction Law." The control of fluorocarbon emissions, which are said to be a cause of ozone layer depletion, is an important theme related to global environmental issues. Here, we will introduce what companies should understand under the revised "Fluorocarbon Emission Control Law." [Contents] - What has changed with the revision of the Fluorocarbon Emission Control Law? - Increased efforts by managers due to the revision of the Fluorocarbon Emission Control Law - Mindset during fluorocarbon leaks based on the Fluorocarbon Emission Control Law - Compliance with the Fluorocarbon Emission Control Law *For detailed content of the article, please refer to the related links. *For more information, please refer to the PDF materials or feel free to contact us.

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On January 16, 2019, the Ministry of the Environment and the Ministry of Economy, Trade and Industry solidified their policy to strengthen regulations on alternative refrigerants under the Fluorocarbon Emission Control Law. According to survey results compiled by the Ministry of the Environment in December 2018, it was revealed that 63% of alternative refrigerants used in equipment such as air conditioners and refrigerators are disposed of without being recovered at the time of equipment disposal. The Ministry of the Environment has begun considering imposing stricter penalties on businesses, as it sees this as contributing to delays in measures against global warming. [Contents] ■ Survey results from the Ministry of the Environment (December 2018) ■ Consideration of strengthening regulations from four perspectives ■ Background of regulatory strengthening and future plans * For detailed content of the article, please refer to the related links. * For more information, please refer to the PDF materials or feel free to contact us.

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The "Environmental Crisis Clock," which expresses the sense of urgency regarding the deterioration of the Earth's environment in terms of clock time, has been announced to have moved back by one minute compared to last year, now showing "9:46" for 2019. This time, we will explore the results of the 2019 Environmental Crisis Clock recently announced, along with the history leading up to it and the current focal points of the Earth's environmental crisis. Please take a moment to read it. [Contents] ■ What is the Environmental Crisis Clock ■ The Environmental Crisis Clock for 2019 ■ The progression of the Environmental Crisis Clock over time *For detailed content of the article, please refer to the related links. *For more information, please refer to the PDF materials or feel free to contact us.

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Managing buildings in the context of a global pandemic is not an easy task. Tenant occupancy rates, hygiene, air flow, and energy usage are just a few of the areas that building owners and managers focus on. In many cases, activities aimed at improving the indoor environment of buildings (including air quality) have been yielding results. Until now, there have been no specific solutions, and concrete assessments and research tailored to each situation have been conducted to mitigate risks within the scope of the owner's buildings, facilities, and budget. *For more detailed information, please refer to the related links. *For more details, please check the PDF materials or feel free to contact us.

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This article introduces California's decarbonization and ultra-low NOx initiatives. To protect regional health and reduce greenhouse gas emissions by 40% by 2030, certain areas in California are regulating nitrogen oxides (NOx) emitted from commercial boilers. NOx is a byproduct generated during the combustion process of gas boilers, and while it is relatively harmless on its own, it is considered harmful because it reacts with sunlight and other chemicals to produce dangerous smog. [Contents (excerpt)] - The impact of NOx - What are California's ultra-low NOx regulations for HVAC? - The impact of low NOx and ultra-low NOx standards on commercial heating equipment - Ultra-low NOx solutions - Why heat pumps are suitable for ultra-low NOx building needs *For more detailed information, please refer to the related links. *For more details, please check the PDF materials or feel free to contact us.

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We will introduce the forecast for HVAC demand by 2050 and the sustainable initiatives needed now and in the future. Imagine a building that continuously learns, adapts, and improves while achieving reductions in greenhouse gas emissions and energy conservation. Buildings equipped with high-efficiency HVAC systems and integrated control systems can collect a wealth of data to manage productivity and comfort, allowing building owners to make informed decisions for both their facilities and the planet based on that data. [Contents] - Advancement of control systems - Energy conservation - Sustainable buildings *For detailed information, please refer to the related links. *For more details, please check the PDF materials or feel free to contact us.

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We would like to introduce a case study of the installation of an "inverter-equipped turbo chiller" at Pacific Palm Resort. The company's air conditioning system has been used unchanged since its establishment 35 years ago. The efficiency of the aging air conditioning equipment was very low, making it a key area for improvement in achieving energy savings and comfort throughout the facility. They decided to update the air conditioning system, control systems, EMS, lighting, and services, successfully implementing new equipment, ensuring comfort, saving energy, and reducing running costs. 【Results】 - In the first year, a reduction of approximately $342,900 (about 38 million yen) in energy consumption - Achieved a reduction of approximately $203,000 (about 22 million yen) in running costs excluding energy - Obtained approximately $500,000 (about 55 million yen) in subsidies through this project *For more details, please refer to the related links or feel free to contact us.

• Power and Energy Equipment

We would like to introduce a case where "Train Triple Air Shield" has been implemented at Ion Entertainment. As a measure to prevent the spread of viruses, in addition to the safe ventilation provided by the theater's air conditioning system that was already in place, we were considering further infection prevention measures to ensure that customers could visit with greater peace of mind. We decided to implement it due to the evidence of effectiveness based on data, the ability to quickly install it on existing rooftop air conditioning units, and the high evaluation of overall cost performance. [Case Overview] ■ Challenges - As a virus countermeasure for the theater, a realistic infection prevention measure with effectiveness equal to or greater than HEPA filters was necessary. ■ Results - The number of CFUs (colony-forming units) released in the test chamber was reduced by 78% in 5 minutes, 89% in 10 minutes, and 95% in 15 minutes. *For more details, please refer to the related links or feel free to contact us.

• Air conditioning equipment

We would like to introduce a case where, in conjunction with the upgrade of the BAS, the energy consumption of a stadium with a capacity of approximately 75,000 people was reduced while increasing reliability and cooling capacity, resulting in an expected annual savings of about $80,000. The company faced the need for additional cooling capacity, high energy costs, and the necessity to upgrade aging infrastructure. As a result of completing the upgrade of the chiller plant and BAS, they were able to improve efficiency, reduce energy consumption, and enhance reliability and capacity, keeping players and fans comfortable during games. [Challenges] - Additional cooling capacity - Reduction of energy costs - Upgrading aging infrastructure - Maintaining 1,000 tons of cooling capacity during the renovation period *For more details, please refer to the related links or feel free to contact us.

• Information and communication equipment and infrastructure

We would like to introduce a case where the introduction of a BAS and energy management system dramatically improved the energy consumption of a hotel with 1,298 guest rooms. To achieve optimal operations, enhancing the synergy of various different mechanical systems became a challenge due to aging infrastructure and the BAS. After the implementation of the BAS and energy management system, significant progress was made towards achieving the hotel's sustainability and financial goals. [Challenges] ■ Optimization of operations and improvement of productivity ■ Enabling cost-effective decision-making ■ Identification of energy waste and efficiency improvements *For more details, please refer to the related links or feel free to contact us.

• Power and Energy Equipment

We would like to introduce a case study of the implementation of the "R-514A adopted ultra-low GWP turbo refrigeration unit" at Snow Brand Megmilk Co., Ltd. The refrigeration units currently in use at the company were using old refrigerants such as CFCs, HCFCs, and HFCs. As part of their efforts to reduce environmental impact, a non-fluorocarbon refrigeration unit using R-514A was considered. The equipment was introduced in a ratio of one turbo refrigeration unit to five screw refrigeration units, adopting optimal control according to the load. [Case Overview] ■ Challenges - Transition all refrigerants to those with minimal environmental impact as much as possible. ■ Results - Achieved the goal of non-fluorocarbonization of the turbo refrigeration unit in a system that utilizes both turbo and screw refrigeration units. *For more details, please refer to the related links or feel free to contact us.

• Refrigeration units, boilers, cooling towers

We would like to introduce a case where our "non-Freon turbo chiller" has been implemented. The existing 4,000 kW (1,136 USRT) turbo chiller from another company was using refrigerant R-22 and was approaching the time for equipment renewal. The "non-Freon turbo chiller" was adopted because the GWP (Global Warming Potential) of the non-Freon refrigerant R-1233zd is 1, making it a very environmentally friendly product. [Applications] ■ Non-Freon Turbo Chiller - Air conditioning for conference rooms (halls) - High-efficiency air conditioning during high temperature periods and summer peak times ■ Optimum Screw Chiller - Used at partial load during periods when temperatures are not high *For more details, please refer to the related links or feel free to contact us.

• Air conditioning equipment

We would like to introduce a case study of the implementation of a rooftop air conditioning and control system in a U.S. prison. Corrosion was discovered in the gas heat exchanger of the rooftop air conditioner, which posed a serious risk to the safety of both prison staff and inmates. With the introduction of our rooftop air conditioning system, we achieved energy savings while enhancing reliability and comfort, allowing the system to operate consistently in optimal condition and achieving cost reductions. 【Results】 ■ Completed in a short construction period of two weeks - Contributed to maintaining comfort for staff and inmates while reducing maintenance costs and downtime ■ Achieved reductions in maintenance costs and downtime ■ Connected the web-based BAS "Tracer SC" to the Air-Fi wireless system - Improved communication quality of the system and convenience of access to the system *For more details, please refer to the related links or feel free to contact us.

• Air conditioning

We would like to introduce a case where Abercrombie & Fitch adopted our train control system for remote energy-saving brand management. The company needed to design a system that met the monitoring and control requirements for air conditioning monitoring and control, as well as lighting schedule control, for the construction of a new building in Ginza. By implementing our software and equipment, remote monitoring and control via the web was achieved, allowing management from the U.S. headquarters. This enabled automatic control based on congestion levels, ensuring that the entire building was maintained in an appropriate environment at all times. [Challenges] - Manual mode switching of air conditioning units - Interface differences with other companies' air conditioning units - Variability in temperature distribution within the floor *For more details, please refer to the related links or feel free to contact us.

• Automatic Control Equipment

We would like to introduce a case where ice storage and other green technologies were implemented to reduce energy consumption and costs at Delta College. With the growth of the campus, we aimed to optimize energy and carbon dioxide emissions and establish methods to reduce the life cycle costs of all new and existing buildings. We proposed an upgrade to the chiller plant, achieving significant cost savings. [Results] - Reduction in electricity and gas consumption - Reduction in carbon dioxide emissions across the facility - Annual energy cost savings of over $100,000 - Peak electricity demand reduced by 1.5 MW - Achieved LEED Gold® certification *For more details, please refer to the related links or feel free to contact us.

• Power and Energy Equipment

We would like to introduce a case study of the installation of the "R-514A Turbo Chiller" at the Senju Techno Station of Tokyo Gas Co., Ltd. From general specifications such as inverter technology and free cooling to specialized applications like operating turbo chillers at low loads for extended periods, our customers have a variety of needs and challenges. After installation, by analyzing the before-and-after data to confirm energy-saving effects, it becomes possible to implement a PDCA cycle to identify areas for improvement. 【Case Overview】 ■Challenges - Due to global climate change measures, environmental initiatives are mandated for companies and organizations. - There is a growing awareness of the need for non-fluorocarbon solutions and CO2 reduction. ■Proposal - The risk of asphyxiation accidents caused by high-pressure refrigerants is extremely low. - Being exempt from the High-Pressure Gas Safety Act and the Fluorocarbon Emission Control Act also provides maintenance advantages. *For more details, please refer to the related links or feel free to contact us.

• Automatic Control Equipment

We would like to introduce a case study of the renovation of the ventilation and air conditioning system in the employee cafeteria kitchen at Isuzu Motors Limited. Due to the aging of the air conditioning units in the spacious kitchen area of the employee cafeteria, the company undertook renovations aimed at updating the equipment and improving the air quality in the cooking environment. They adopted our rooftop air conditioning units, which effectively exhaust heat and odors generated from cooking, resulting in a hygienic kitchen that constantly introduces fresh air. [Challenges] - As a large kitchen facility, a significant amount of heat and odors are generated from cooking. - There is a need to minimize the construction period and reduce implementation costs as much as possible. *For more details, please refer to the related links or feel free to contact us.*

• Air conditioning

We would like to introduce a case where a turbo chiller and control system were adopted by Mercedes-Benz. The company experienced a malfunction with their chiller, and the facility manager requested a technology that could simultaneously achieve reliability, durability, and high efficiency, as well as a quick response to minimize the rental costs of the chiller during the replacement. By implementing our turbo chiller and control system, three benefits were achieved: improved reliability and efficiency, energy savings and cost reduction, and the optimization of performance along with comfort. [Challenges] - Reliability and durability - Technology that simultaneously achieves high efficiency - Quick response to minimize chiller rental costs *For more details, please refer to the related links or feel free to contact us.

• Refrigeration units, boilers, cooling towers

We would like to introduce an example of a 1927 Art Deco building that has been transformed into a futuristic community for art, education, and healthcare. The development team believes that enhancing the market value of real estate is essential for revitalizing the community, while it is also important for building owners to reduce operating costs, promote sustainability, and maximize the potential value of their assets. In collaboration with the real estate management company Cushman & Wakefield, we provided solutions that led to improvements in efficiency and comfort, the promotion of sustainability, reductions in operating costs, and increases in local asset values. [Challenges] - Enhancing the market value of real estate - Reducing operating costs - Promoting sustainability - Increasing the potential value of assets *For more details, please refer to the related links or feel free to contact us.

• Other Software

We would like to introduce a case where energy analysis and monitoring, energy efficiency contracts, and improvements such as upgrades were implemented at the Georgia World Congress Center (GWCC). In order to maintain its status as a LEED-certified convention center, we aimed to consolidate four mechanical systems into one, allowing the entire facility to operate seamlessly and improve efficiency. We achieved the centralization of mechanical operations, reduction of energy costs, and enhancement of aesthetics. [Challenges] - Dealing with aging air conditioning systems and various lighting fixtures that need replacement - Improving reliability, safety, and aesthetics - Aiming for efficiency by enabling seamless operation of the entire facility *For more details, please refer to the related links or feel free to contact us.

• System lighting and lighting control

This is a case study of a free cooling turbo chiller and energy management system at the Shiburi Textile Mill Data Center. To respond to the rapid increase in demand, with data processing volume doubling every year and a half, we decided to establish a new data center. We built the data center in a location that is convenient for users, while protecting historically significant buildings and achieving a reduction in environmental impact and energy conservation. [Challenges] - Constructing the data center close to major users - Since the area has historical significance, returning the benefits of developing the data center to the local community - Designing a unique cooling system that utilizes renewable energy - Achieving high efficiency, reliability, redundancy, and comfort while minimizing environmental impact *For more details, please refer to the related links or feel free to contact us.

• Air conditioning equipment

We would like to introduce a case where an Art Deco building achieved an operational cost reduction of approximately 170 million yen through the redesign of its facilities and air conditioning system. The Crosstown Development Team set strategic goals to enhance value for real estate owners, including reducing operating costs, promoting sustainability, and maximizing asset value. By implementing our high-efficiency building management system and energy meters, they were able to optimize daily operations and track and bill tenants for their energy usage. [Challenges] ■ Reduction of operating costs ■ Promotion of sustainability ■ Maximization of asset value *For more details, please refer to the related links or feel free to contact us.

• Other Software

To Ford Motor Company, a global enterprise, this is a case study demonstrating the seamless operation of a critical chiller system for a data center. It was essential to align with climate change strategies to reduce global CO2 emissions and energy consumption. By implementing a highly energy-efficient, sustainable, and reliable chiller plant, we achieved the uninterrupted operation of the data center, which is crucial for the Dearborn campus's important mission. [Challenges] ■ Extremely critical applications ■ Alignment with climate change strategies ■ Reduction of energy usage and CO2 emissions ■ Obtaining LEED certification ■ Guaranteeing chiller capacity and special tolerances to maximize uptime ■ Reducing operational costs *For more details, please refer to the related links or feel free to contact us.*

• Automatic Control Equipment

We would like to introduce a case study of the energy plant implemented at the Pinellas County Central Energy Plant. The air conditioning systems installed in seven county buildings in Pinellas County had exceeded their useful life and were operating inefficiently, making replacement difficult. The newly established plant provides low-cost air conditioning to five county buildings and nearby high-rise apartments through piped water. 【Case Overview】 ■Challenges - Exceeded useful life and operating inefficiently - Many aging units are located underground in the buildings, making replacement difficult ■Results - Improved efficiency and reduced energy costs - Optimization of system operations *For more details, please refer to the related links or feel free to contact us.

• Air conditioning equipment

Carbon emissions (or carbon production) refer to a general measure of the amount of CO2 generated directly, indirectly, or through the value chain. On the other hand, the carbon footprint represents the total impact of an organization, expressed as the sum of all carbon emissions. While these terms are sometimes used interchangeably, it is important to understand the differences between them. Specific actions at the operational level have a significant impact on the carbon footprint, making the total carbon emissions the most important factor for decision-makers in buildings and facilities. [Contents] ■ Scope 1 "Direct" emissions ■ Scope 2 "Indirect" emissions ■ Summary *For detailed content of the article, please refer to the related links. *For more information, please refer to the PDF materials or feel free to contact us.

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For building owners, especially in the restaurant industry, heating and cooling systems represent a significant expense. In fast food establishments, not only are the equipment costs high, but it is estimated that air conditioning systems account for 25% to 40% of total energy consumption. Additionally, recent studies indicate that maintenance costs can average up to 6% of sales. Considering how crucial it is for heating and cooling equipment to function properly, regular maintenance is a given. [Contents] ■ Protection from unexpected downtime and contribution to equipment longevity ■ Reduction of total energy consumption ■ Decrease in repair costs ■ Enhanced comfort throughout the store *For detailed information, please refer to the related links. *For more details, please check the PDF materials or feel free to contact us.

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Central chilled water plants often become one of the critical systems, especially in the operation of facilities. This means that it is only natural for the design and installation of these plants to be given importance, right? While it is expected that central plants are reliable, it is also important that they are as dependable as possible throughout the steps leading up to the initial compressor startup. Implementing standard operating procedures, pre-designed steps, and documentation will greatly assist in ensuring the reliability of the plant. [Contents] ■ Design Phase ■ Execution/Programming Phase ■ Operation Phase ■ Commissioning Phase *Details of the article can be viewed through the related links. *For more information, please refer to the PDF materials or feel free to contact us.

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It has been revealed by multiple studies that the more comfortable people are, the higher their productivity increases. In facilities such as medical institutions, retail stores, grocery stores, and schools, there are standards based on several parameters related to comfort to ensure that people (or food) inside the building can spend their time comfortably. When it comes to indoor comfort, many people might think of room temperature. However, are you aware that there are other indoor environmental factors that also affect comfort? Temperature, humidity, air velocity, as well as clothing and metabolic rate at that time, all influence each individual's perception of comfort. The parameters related to comfort are as follows: 【Contents】 ■ Dry bulb temperature ■ Mean radiant temperature ■ Humidity ■ Air velocity ■ Clothing insulation ■ Metabolic rate *For more detailed information, please refer to the related links. *For more details, please check the PDF materials or feel free to contact us.

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The sustainability of buildings has consistently improved over the decades due to advancements in technology and materials. Some of these advancements are groundbreaking. Today, solutions are readily available that can provide economic benefits to building owners while reducing emissions. Here, we present six ways for air conditioning systems to make significant progress towards decarbonization: - Thoroughly eliminate inefficiencies on a per-kilowatt basis - Use cold outside air instead of compressors - Recover and reuse thermal energy - Plan for a transition to low-GWP refrigerants - Store energy and balance supply and demand - Transition to on-site and off-site renewable energy *For more details, please refer to the related links. *For more information, please check the PDF materials or feel free to contact us.

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Which cooling system is more suitable for data centers, air-cooled chillers or water-cooled chillers? There is not just one answer. Designers of air conditioning systems need to ask many questions before proposing the appropriate type of chiller. Factors specific to the project, such as available space, backup power, regional regulations limiting power and water usage, and the owner's sustainability priorities, can overturn what was almost considered a definitive choice of equipment. It is ideal for data centers to consult with air conditioning companies in the preliminary design phase to identify solutions that meet both short-term and long-term goals. If you are making decisions for a data center, it helps to understand the specific advantages and disadvantages of each type of chiller. [Contents (Excerpt)] - Capacity - Maintenance - Location - Energy Efficiency - Delivery and Installation *For more detailed information, please refer to the related links. *For more details, please check the PDF materials or feel free to contact us.

• others

As buildings age, you may find yourself at a crossroads of whether to replace or renovate the air conditioning system. According to a report from the U.S. Energy Information Administration, about half of commercial buildings were constructed before 1980. When equipment deteriorates or approaches the end of its useful life, customers are faced with the decision of whether to "renovate or replace." To make an appropriate choice for your facility or building's needs, let's consider the answers to the following four questions. 【Content】 ■ Retrofit vs. Replace: What is the ROI (Return on Investment)? ■ Where is the equipment installed in the facility? ■ What is the remaining useful life performance of the equipment? ■ What is the connectivity capability of your equipment? *For more details, you can view the related links. *For more information, please refer to the PDF materials or feel free to contact us.

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For building designers, owners, managers, and HVAC equipment manufacturers, maintaining and improving indoor air quality (IAQ) has become an increasingly important issue. Train's photocatalytic air purification system, TCAC, is a combination of technologies aimed at improving IAQ in today's buildings, and it has already been used in many applications, with its effectiveness and safety confirmed. In this article, we will introduce representative examples of TCACS. [Contents] ■ Airports ■ Medical facilities ■ Educational institutions ■ Other facilities using TCACS ■ Summary *For detailed content of the article, please refer to the related links. *For more information, please refer to the PDF materials or feel free to contact us.

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Air conditioning accounts for a significant portion of a building's energy consumption. For example, in office buildings, air conditioning represents about 28% of energy consumption (according to the Energy Conservation Center, Japan). In other words, when considering energy costs in building operation and management, such as measures against global warming and reductions in utility expenses, improving the energy efficiency of air conditioning can be effective. This article will introduce points for reducing the running costs of air conditioning. [Contents] ■ The issue of energy efficiency in air conditioning is solved by LCEM ■ Considerations by stage ■ Examples of systems that reduce the running costs of air conditioning ■ Benefits for energy-saving companies * Detailed content of the article can be viewed through related links. * For more information, please refer to the PDF materials or feel free to contact us.

• others

The cooling water supply temperature directly affects the efficiency of the refrigeration unit. For example, during winter or intermediate periods, operating at a lower cooling water temperature improves the efficiency of the turbo refrigeration unit and reduces power consumption. However, the operation of the refrigeration unit also requires the operation of pumps and cooling towers, and for optimal energy savings, it is necessary to focus not only on the refrigeration unit but also on the efficiency of the entire system. This article explains the cooling water control for turbo refrigeration units, so please take a moment to read it. [Contents] ■ Considerations for the lower limit of cooling water temperature ■ Cooling towers ■ Cooling water pumps ■ Refrigeration units ■ Considerations for the cooling water system ■ Optimization control of cooling water * Detailed content of the article can be viewed through the related links. * For more information, please refer to the PDF materials or feel free to contact us.

• Refrigeration units, boilers, cooling towers