WBエナジー List of Products and Services

Our company handles the "KWB manufactured wood biomass boiler," which has a proven track record across the country, and we provide detailed support from preparation before installation to operation after installation. One of our products, the 'Multifire,' effectively removes impurities through its unique high-efficiency combustion furnace, maintaining clean combustion. It also features an automatic ash removal function via the combustion furnace's operating floor, significantly reducing maintenance burdens. Boiler operation can be remotely controlled via a smartphone or tablet browser. We have also newly added a space-saving "container type" design that allows for cost-effective installation without the need for building construction, enabling proposals tailored to usage conditions. 【Features and Benefits of 'Multifire'】 ■ Output ranges from 30 to 120 kW, with the possibility of connecting two or more units ■ Capable of burning a variety of fuels, including chips with high bark content ■ Safety devices to prevent backfire from the combustion furnace and automatically cut large-sized chips ■ Contributes to reducing fuel costs and CO2 emissions through high-efficiency biomass boilers ■ Installation utilizing the Ministry of Economy, Trade and Industry's subsidy project "Advanced Equipment" is possible *For more details, please refer to the materials. Feel free to contact us with any inquiries.

• Boiler

We will introduce a case study of the introduction of a biomass boiler at the Mounohana Onsen Haginoyu. The 300kW biomass boiler covers the base load, and during peak times when the number of bathers increases, such as in winter or during the New Year holidays, the system can instantaneously utilize auxiliary boilers according to the temperature conditions of the thermal storage tank, allowing it to handle large loads. Additionally, the biomass coverage rate has achieved over 95%. 【Case Overview】 ■ Main Equipment Supplied - KWB 300kW biomass boiler - 6,000L thermal storage tank - Inverter pump - Hot water supply module - Heat conduction pipe (PEX) *For more details, please refer to the PDF document or feel free to contact us.

• Boiler

We would like to introduce a case study of the introduction of a biomass boiler at Nakanojo Town's Shima Seiryu no Yu and Shima Remote Medical Clinic. The 120 kW biomass boiler covers the base load, and by using an 8,000L thermal storage tank, the system can also handle large loads during peak times, such as the year-end and New Year holidays when the number of bathers increases. Additionally, the biomass coverage rate has achieved nearly 100%. [Case Overview] ■ Main Equipment Supplied - KWB 120 kW biomass boiler - 8,000L thermal storage tank - Inverter pump - Hot water supply module - Heating module *For more details, please refer to the PDF document or feel free to contact us.

• Boiler

This is an introduction to a case where a biomass boiler was installed for heating and cooling at the Nakanojo Town Hall and Nakanojo Town Health Center. With a 300 kW biomass boiler, the biomass coverage rate achieved is 100% for heating and over 90% for cooling. Regarding cooling, due to the characteristics of the absorption chiller, selecting equipment based on peak load results in oversized equipment. Therefore, during the summer peak, the existing absorption chiller on the town hall side is used as a supplement. [Case Overview] ■ Main Equipment Supplied - KWB 300 kW Biomass Boiler - 6,000L Thermal Storage Tank - Flow Control Valve - Combined Supply and Return Header *For more details, please refer to the PDF document or feel free to contact us.

• Boiler

We would like to introduce a case where a biomass boiler was installed at the Tangge Onsen Misato-kan for the heating, hot water supply, and heating of the bathing accommodation facilities. The previously used kerosene heaters, electric heaters, and heat pumps have been discontinued, achieving 100% replacement with a 240kW (120×2 units) boiler. By using two boilers, flexible operation has become possible to match the load during summer and winter. 【Case Overview】 ■ Main Equipment Supplied - KWB biomass boiler 120kW - 3,000L thermal storage tank - Inverter pump - Combined header - Heat transfer pipes (PEX) *For more details, please refer to the PDF document or feel free to contact us.

• Boiler

We would like to introduce a case where a biomass boiler was installed at the Michi-no-Eki Miyoshi Village Hinanosato. To prioritize heat supply to the foot bath, supply control to the kitchen hot water is implemented while monitoring the temperature status of the thermal storage tank. When the temperature set below the thermal storage tank's sensor is reached, the pump stops. 【Case Overview】 ■ Main Equipment Supplied - KWB biomass boiler 28.6kW - Thermal storage tank 3,000L - Inverter pump - Flow control valve *For more details, please refer to the PDF document or feel free to contact us.

• Boiler

We would like to introduce a case where a biomass boiler was installed for hot water supply and floor heating in the Daiyachi Collective Housing. Our company carried out the design of the heat supply network. Two pellet boilers serve as the heat source, supplying heat for hot water and floor heating to each building via a heat station. By using two boilers, flexible operation can be achieved to match the load in both summer and winter. 【Case Overview】 ■ Main Equipment Supplied - KWB biomass boiler 65kW - 3,000L thermal storage tank - Inverter pump - Heating module - Heat transfer pipes (PEX) *For more details, please refer to the PDF document or feel free to contact us.

• Boiler

This is an introduction to a case where a biomass boiler was installed at the Hiratori Town Wood Biomass Center for the purpose of supplying thermal and electric energy to a hospital. The center serves as a facility for combined heat and power (CHP) supply to the adjacent hospital, utilizing the waste heat from a small-scale CHP to dry high-moisture content chips, which are then distributed to the small-scale CHP and our boilers. The thermal energy supplied is used for hot water and heating. It is a facility capable of autonomous operation, ensuring stable supply so that the hospital, which serves as a disaster prevention base, and the community center designated as an evacuation site do not become non-functional during emergencies. 【Case Overview】 ■ Main Equipment Supplied - KWB biomass boiler 300kW - Thermal storage tank 6,000L - Inverter pump - Hot water module - Heat transfer pipes (PEX) *For more details, please refer to the PDF document or feel free to contact us.

• Boiler

"KELIT PEX" is a heat conduction pipe for hot water supply that is well-known for its durability and high insulation performance, widely used in the infrastructure of regional heating supply networks in Europe. We offer a single pipe type product as well as the "KELIT DUO-PEX," which integrates the supply and return pipes into a W pipe type. Additionally, there are products with varying insulation thicknesses. 【Accessories (partial)】 ■ L-shaped pipe ■ T-shaped pipe ■ Y-shaped pipe ■ Compression seal ■ Wall sealing ring *For more details, please download the PDF or feel free to contact us.

• Piping Materials

We would like to introduce a case study of the KWB "Multifire 120" and "Powerfire 300" that our company handles. Marutsu Denpa, which is engaged in the heat supply business, has introduced KWB boilers at two facilities: Awara Onsen in Fukui Prefecture and Mikuni Tojinbo Onsen. (One location has two Multifire 120 units, and the other has two Powerfire 300 units.) The KWB boilers were selected because they are considered to contribute to the business's financial performance in terms of boiler efficiency, maintainability, electricity costs, and failure rates. 【Case Overview】 <Mikuni Kanko Hotel> ■Installed Boiler: Multifire 120 ■Year of Installation: 2016 ■Heat Application: Hot water supply and heating in the hot spring facility *For more details, please refer to the PDF document or feel free to contact us.

• Boiler

We would like to introduce a case where KWB's "Multifire 120," which we handle, was implemented at the famous hidden hot spring, Tange Onsen Misogokan. The facility switched from the heat pump and kerosene boiler it had been using to 100% biomass. With the introduction of this equipment, we aim to create a system that contributes to the utilization of nearby forests. 【Case Overview】 ■ Installed Boiler: Multifire 120 ■ Year of Installation: 2017 ■ Heat Applications: Hot water supply and heating in the hot spring facility ■ Challenges: Struggling with high electricity and kerosene costs *For more details, please refer to the PDF document or feel free to contact us.

• Boiler

We would like to introduce a case where the KWB "Multifire 50," which our company handles, was implemented at the Day Service Center Kazeoto. The facility operated by Workshop Zero and constructed by Terra has introduced the KWB boiler "Multifire 50" at a welfare facility in Tono City, Iwate Prefecture. This single unit covers all heating and hot water needs. 【Case Overview】 ■ Installed Boiler: Multifire 50 ■ Year of Installation: 2016 ■ Heat Applications: Hot water and heating in a welfare facility *For more details, please refer to the PDF document or feel free to contact us.

• Boiler

We would like to introduce a case where our company executive, Yamada, installed the KWB "Classicfire 30" at his home in Hokkaido. While being involved in the import of agricultural and forestry machinery, I had several opportunities to participate in practical training in Austria and Germany. During those times, when invited to local homes for meals, I was surprised to find that the interiors were warm and very comfortable, with many of them using biomass boilers as their heat source. Therefore, when I decided to build my own house, I chose to install a biomass boiler. I handled everything from assembly to piping myself, and for parts I didn't understand, I asked a local contractor for help. What I learned was that it wasn't particularly difficult. 【Case Overview】 ■ Installed Boiler: Classicfire 30 ■ Year of Installation: 2014 ■ Heat Applications: Hot water and heating for a private residence *For more details, please refer to the PDF document or feel free to contact us.

• Boiler

We would like to introduce our company's "Service System After the Introduction of Biomass Boilers." We have established the following service system to ensure that the boilers you have installed operate stably and perform according to plan. The remote monitoring function is equipped with data accumulation and analysis capabilities. Using this function, we also provide services that offer proposals for understanding the overall system status, analyzing system efficiency, and improving operations based on the findings. 【Basic Services】 ■ Database of past issues is created to analyze their causes and responses, and this is documented in manuals. ■ For spare parts (replacement components), we maintain a thorough domestic inventory of essential parts. ■ Monitoring of boiler operating conditions through remote monitoring. ■ Key parameters of the boiler can be checked through remote monitoring. *For more details, please refer to the PDF document or feel free to contact us.

• Boiler

We would like to introduce our "Overview of Checkpoints for the Introduction of Biomass Boilers." The utilization of biomass heat is a business model that recovers the relatively high initial costs compared to fossil fuels with lower running costs. Since about 80% of the running costs are attributed to fuel expenses, reducing fuel costs is a crucial point in evaluating the business viability. To achieve this, it is important to establish a highly energy-efficient system that takes into account the characteristics of biomass and to maximize the operating and substitution rates of biomass boilers as much as possible. [Overview] ■ Indicators of the business viability of biomass boilers ■ Engineering ■ Evaluation of the manufacturer's technical capabilities ■ Manufacturer's service system *For more details, please refer to the PDF document or feel free to contact us.

• Boiler

We would like to introduce our "Process for Introducing Biomass Boilers." There are many processes involved from the time a customer considers the introduction of a biomass boiler until its actual implementation. Particularly, the design phase requires careful attention as it involves know-how that differs from fossil fuels. If you consult with us from the conceptual stage, we will take full responsibility for the process, from business plan formulation and basic design to construction and handover. 【Details of the Introduction Process】 ■STEP 1: Conceptual Stage ■STEP 2: Basic Design and Business Plan Formulation ■STEP 3: Construction and Handover ■STEP 4: Operation *For more details, please refer to the PDF document or feel free to contact us.

• Boiler

Biomass boilers use fuels with diverse moisture content and characteristics, and they have different operational traits compared to fossil fuel boilers, such as the generation of ash. Our company provides a support system using remote monitoring to ensure that even customers who are introducing biomass boilers for the first time can use them with confidence. To ensure long-term use of the boilers, our specially trained staff will conduct maintenance and inspection services. 【Features】 ■ Remote monitoring support ■ Operational support ■ Regular maintenance ■ Suggestions for operational improvements ■ Domestic inventory of spare parts *For more details, please refer to the PDF materials or feel free to contact us.

• Boiler

The construction of a thermal supply system using biomass requires not only high-efficiency biomass boilers but also the use of European products such as inverter pumps, heat transfer pipes, and heat stations. We are collaborating with various European manufacturers to establish a system that ensures reliable delivery and operational start-up at domestic sites. We will understand the characteristics of each piece of equipment and support you until the start of your operations. 【Overview】 ■ Meetings with customers ■ Ordering from manufacturers ■ Transportation (overseas to Japan) ■ Delivery and installation ■ Completion and handover *For more details, please refer to the PDF document or feel free to contact us.

• Boiler

When introducing a biomass boiler, there are various considerations to examine. First of all, is it possible to introduce a biomass boiler? What scale is most suitable? Where is the best location for installation? How much fuel will be used once it is installed? What is the best method for connecting to existing equipment? And so on. Our company will examine these issues and support the construction of a biomass business that meets our customers' requirements. 【Overview】 ■ Investigation ■ Analysis ■ Proposal ■ Design ■ Consulting *For more details, please refer to the PDF materials or feel free to contact us.

• Boiler

At the relay lecture of the "Decarbonization Management Research Group's 3rd Regular Meeting" at the AREC・Fii Plaza, our company representative, Kajiyama, gave a presentation. For the full-scale expansion of biomass boilers, the introduction of appropriate technologies is essential. In this presentation, we explained the specific points regarding these biomass technologies. You can view the presentation materials by downloading the PDF below, so please take a look. *For more details, please refer to the PDF materials or feel free to contact us.

• Boiler

In the June 20th issue of "New Energy News" published by the Heavy Chemical Industry Communications Agency, a contribution by our company, Kitagawa, titled "Focusing on Promoting Thermal Utilization through Local Production for Local Consumption of Wood Biomass" has been featured. Looking ahead to the end of FIT and the realization of carbon neutrality, we will continue to utilize wood biomass. We will introduce the services our company offers, the challenges related to thermal utilization of wood biomass, as well as the significance and benefits in this context. You can view the full text by downloading the PDF below, so please take a moment to read it. *For more details, please refer to the PDF document or feel free to contact us.*

• Boiler

In the January 9 issue of "Kyoko Weekly" published by Kyodo News, a contribution by our company’s Kitagawa titled "Thermal Energy Also Towards 'Local Production for Local Consumption': Utilizing Wood Biomass in Yamagata" has been featured. This article introduces advanced examples in Yamagata Prefecture regarding the thermal utilization of "wood biomass," which has the potential to serve as energy through familiar materials such as crushed chips, pellets, and firewood, connecting to the concept of "local production for local consumption." You can view the full text by downloading the PDF below, and we encourage you to read it. *For more details, please refer to the PDF document or feel free to contact us.*

• Boiler

The August issue of the monthly magazine "Clean Energy" (Nihon Kogyo Shuppan) features a contribution by our company’s Kajiyama titled "Project Management of Biomass Boiler Heat Supply Plants" in the article "Current Status and Prospects of Biomass Heat Utilization." It clarifies the basic indicators that ensure the business viability of biomass heat utilization, including "biomass dependency rate, boiler operating rate, and energy efficiency," and explains the essential project management by experts for achieving these goals. You can view a portion of the content by downloading the PDF below, so please take a look. *For more details, please refer to the PDF document or feel free to contact us.*

• Boiler

The "Pelletfire PLUS" is a biomass boiler with an output of 45-135 kW, capable of connecting two or more units. The main target facilities include hot springs, hotels, pools, offices, schools, welfare facilities, and district heating network facilities, catering to a heat demand equivalent to an oil consumption of 10,000 to 120,000 liters. We are currently seeking distributors for this product. Please feel free to contact us. 【Features】 ■ High-efficiency combustion chamber ■ Operating floor of the combustion chamber ■ Silicon carbide combustion chamber ■ Boiler operation ■ High-efficiency heat exchanger ■ Large-capacity ash collection container *For more details, please refer to the PDF document or feel free to contact us.

• Boiler

"Easyfire" is a small pellet boiler with an output of 8-35W. The main target facilities are small-scale establishments such as private homes and offices, achieving significant fuel cost savings with minimal ash production and electricity consumption. It supports various fuel supply methods and offers high design flexibility. 【Features】 ■ High-efficiency heat exchanger ■ Diverse fuel supply devices ■ Safety devices ■ Boiler operation ■ Optimized combustion ■ 28-liter ash collection container *For more details, please refer to the PDF document or feel free to contact us.

• Boiler

The "Multifire" is a chip boiler with an output of 30-120 kW, capable of simultaneous connection of two or more units. The main target facilities include hot springs, hotels, pools, offices, schools, welfare facilities, and community heating network facilities, accommodating heat demand equivalent to an oil consumption of 5,000 to 120,000 liters. It can burn a variety of fuels, including chips with a high bark content. 【Features】 ■ Emergency cooling water system ■ High-efficiency combustion chamber ■ Safety device (cellular wheel) ■ High-efficiency heat exchanger ■ Secondary combustion chamber ■ Two 35-liter ash containers *For more details, please refer to the PDF document or feel free to contact us.

• Boiler

"Classicfire & Combifire" is a small wood boiler with an output of 18-38W. The main target facilities are small establishments such as private homes and offices, as well as hot springs, hotels, schools, and welfare facilities, accommodating a heat demand equivalent to an oil consumption of 3,000 to 50,000 liters. The "Combifire," which can also burn pellets, is compatible with various pellet supply methods and offers a high degree of design flexibility. 【Structure and Features of Classicfire】 ■ High-efficiency heat exchanger ■ Automatic ignition system ■ High-efficiency combustion chamber ■ Boiler operation ■ Large fuel storage ■ 28-liter ash collection container *For more details, please refer to the PDF document or feel free to contact us.

• Boiler

We would like to introduce the "boiler" manufactured by KWB, handled by WB Energy Co., Ltd. It accommodates a variety of fuels including firewood, pellets, and chips, with outputs ranging from 8 kW to 300 kW, and multiple units can be combined. Our company employs technicians who thoroughly understand the features and technical specifications of KWB products to handle their design, installation, and maintenance. 【Features】 ■ High energy efficiency ■ Revolutionary on-off operation as a biomass boiler ■ Remote monitoring and control system ■ Automatic cleaning system ■ High chip compatibility *For more details, please refer to the PDF materials or feel free to contact us.

• Boiler

We would like to introduce the hot water supply heat conduction pipe "KELIT PEX Series" handled by WB Energy Co., Ltd. We offer the single pipe type "KELIT PEX" and the double pipe type "KELIT DUO-PEX," which integrates the supply and return pipes. Our company supports a variety of installation cases, from heat supply in small sites to district heating. For implementation, we provide a Japanese manual, and our staff, who have experience in construction in Europe, will provide technical guidance. 【Features】 ■ High durability and insulation performance ■ Widely used in European district heating network infrastructure ■ A variety of accessories available ■ Regular operating temperature: +80℃ ■ Maximum operating temperature: +95℃ (variable) *For more details, please refer to the PDF materials or feel free to contact us.

• others

At WB Energy Co., Ltd., we are the distributor of Radius-Kelit, a heat conduit manufacturer near Linz, Austria, and we handle the 'KELIT PEX95-6'. Due to differences in insulation thickness, there are two types of insulation: "Series1" and "Series2." We also offer the DUO series, which is a W pipe type that integrates the supply and return pipes. 【Specifications】 ■ Regular operating temperature: +80°C ■ Maximum operating temperature: +95°C (variable) ■ Thermal conductivity: ≤ 0.0210 W/mK ■ Pressure resistance: 6bar (80°C) ■ Materials ・Pipe: Cross-linked polyethylene PEXa ・Insulation: Foamed polyurethane ・Jacket: Corrugated jacket pipe (seamless) *For more details, please download the PDF or feel free to contact us.

• Piping Materials