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  3. クラフトワーク
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クラフトワーク

EstablishmentJuly 27, 2006
number of employees15
addressTochigi/Utsunomiya-shi/619-3 Shimo-Kanai-cho
phone028-665-3322
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last updated:Feb 19, 2020
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クラフトワーク List of Products and Services

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SP-6000 [Geothermal heat source air conditioning, air conditioner for groundwater, etc.]

Great performance at factories, farms, event venues, etc.! [Groundwater and other water heat source air conditioning, air conditioners] Ideal for heatstroke prevention. 'SP-6000'

The "Natural Condenser SP-6000" is a dehumidifying air conditioning unit that uses groundwater and other water sources as a heat source. It provides over 25KW of cooling with water at temperatures below 20°C and an electrical power consumption of 600W to 700W. Equipped with casters, it can be used in various locations and situations. It is also capable of responding during disasters. This product was developed through demonstration tests utilizing underground stored water from the Otani region. It is also used as an alternative to spot coolers and jet heaters for air conditioning.

  • Heating and cooling equipment and facilities
  • Heat exchanger
  • District heating and cooling/heat source system

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[Case Study of Craftwork System Implementation] Experiential Learning Facility

Utilizing the water that springs from the garden pond to air-condition the facility! Reducing power consumption by over 40% compared to conventional methods.

Our efficient energy utilization system, the "Craftwork System," can be applied not only in residential settings but also in various scenarios. As an example, we would like to introduce a case study from an experiential learning facility. At the "M Experiential Learning Facility" located in Tokyo, this system is used to extract heat from the water that springs up in the garden pond to air condition the facility. As a result, we achieved a reduction in power consumption of over 40% compared to conventional air conditioning systems. [Case Study] - "M Experiential Learning Facility" in Tokyo - Air conditioning the facility by extracting heat from the water in the garden pond - Over 40% reduction in power consumption compared to conventional air conditioning *For more details, please refer to the PDF document or feel free to contact us.

  • Facility Design
  • Photovoltaic power generation system (solar system, energy-saving housing, electricity sales business)

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[Case Study of Craftwork System] Tomato Factory

Aiming to reduce the use of fossil fuels, we utilize groundwater heat for the air conditioning of greenhouses!

Our efficient energy utilization system, the "Craftwork System," can be applied not only to residential areas but also to various scenes. As an example, we would like to introduce a case study from a tomato factory. At the "S Tomato Factory" located in Nagano Prefecture, this system utilizes groundwater heat as thermal energy to air-condition greenhouses in a large agricultural facility. As a result, we are working on a mechanism to reduce the amount of fossil fuel (heavy oil) used by half compared to previous levels. [Case Study] - "S Tomato Factory" in Nagano Prefecture - Utilizes groundwater heat as thermal energy to air-condition greenhouses - Working on a mechanism to reduce the use of fossil fuel (heavy oil) by half *For more details, please refer to the PDF materials or feel free to contact us.

  • Facility Design
  • Photovoltaic power generation system (solar system, energy-saving housing, electricity sales business)

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[Case Study of Craftwork System Implementation] Farm

Utilizing livestock manure heat and geothermal heat! For heating and cooling in the barn and for preparing warm milk for nursing!

Our efficient energy utilization system, the "Craftwork System," can be applied not only in residential settings but also in various scenarios. As an example, we would like to introduce a case study from a farm. At "M Farm" located in Tochigi Prefecture, this system is used to harness the heat from livestock manure and geothermal energy for heating and hot water supply within the barn. As a result, we have been able to produce not only floor cooling and heating but also hot water for preparing milk for feeding. [Case Study] - "M Farm" in Tochigi Prefecture - Utilizing livestock manure heat and geothermal energy for heating and hot water supply in the barn - Capable of producing floor cooling and heating as well as hot water for milk preparation *For more details, please refer to the PDF materials or feel free to contact us.

  • Facility Design
  • Photovoltaic power generation system (solar system, energy-saving housing, electricity sales business)

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[Case Study of Craftwork System Implementation] Factory Facility

Utilizing the exhaust heat from the cleaning factory for preheating! Heating underground water from about 16°C to approximately 27°C.

Our efficient energy utilization system, the "Craftwork System," can be applied not only in residential settings but also in various scenarios. As an example, we will introduce a case study from a factory facility. At the "S Factory Facility" located in Miyagi Prefecture, this system is used to recover additional heat from the exhaust heat (approximately 70°C) of the dryers in a cleaning factory and utilize it for preheating temperature-controlled water underground. As a result, groundwater at 16°C (approximately 200 liters/min) is heated to about 27°C. The amount of heat recovered is approximately 150 kW. [Case Study] - "S Factory Facility" in Miyagi Prefecture - Heat recovered from the exhaust heat of the cleaning factory is used for preheating temperature-controlled water - Groundwater at 16°C is heated to about 27°C (heat recovery amount: approximately 150 kW) *For more details, please refer to the PDF document or feel free to contact us.

  • Facility Design
  • Photovoltaic power generation system (solar system, energy-saving housing, electricity sales business)

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[Case Study of Craftwork System Implementation] Food Factory

Recover additional heat from boiler exhaust! Use it for preheating to raise the water injection temperature.

Our efficient energy utilization system, the "Craftwork System," can be applied not only in residential settings but also in various scenarios. As an example, we would like to introduce a case study from a food factory. At the "K Food Factory" located in Yamanashi Prefecture, this system is used to utilize exhaust heat from the factory's gas boiler chimney for preheating the boiler's water supply tank. As a result, the gas costs for the boiler have been significantly reduced. The conventional water supply temperature of around 18°C has been raised to between 35°C and 40°C. [Case Study] - "K Food Factory" in Yamanashi Prefecture - Recovering thermal energy from the factory's boiler exhaust for preheating the boiler - Significant reduction in gas costs for the boiler - Conventional water supply temperature raised from around 18°C to between 35°C and 40°C *For more details, please refer to the PDF document or feel free to contact us.

  • Facility Design
  • Photovoltaic power generation system (solar system, energy-saving housing, electricity sales business)

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[Case Study of Craftwork System Implementation] Factory Facilities

Utilizing cold water heat for cooling cut vegetables with a freezer! Reducing electricity costs by over 2.5 million yen annually!

Our efficient energy utilization system, the "Craftwork System," can be applied not only in residential settings but also in various scenarios. As an example, we will introduce a case study from a factory facility. At the "T Factory Facility" located in Tokyo, our system is used to recover the cold water heat after it has been used for cooling in a cut vegetable factory, which is then utilized for pre-cooling the refrigeration unit. As a result, we have reduced cooling electricity costs by over 2.5 million yen annually. The investment payback period is 3.4 years (including a subsidy of one-third). [Case Study] - "T Factory Facility" in Tokyo - Recovering cold water heat used for cooling in a cut vegetable factory and utilizing it for pre-cooling the refrigeration unit - Reduced cooling electricity costs by over 2.5 million yen annually - Investment payback period of 3.4 years (including a subsidy of one-third) *For more details, please refer to the PDF materials or feel free to contact us.

  • Facility Design
  • Photovoltaic power generation system (solar system, energy-saving housing, electricity sales business)

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[Case Study of Craftwork System Implementation] Computing Center

Utilizing the stored water from the fire protection tank for the cooling system in the machinery room! Suppressing the heat island phenomenon in the city.

Our efficient energy utilization system, the "Craftwork System," can be applied not only in residential areas but also in various scenarios. As an example, we would like to introduce a case study from a data center. At the "S Data Center" located in Tokyo, this system is used to utilize the stored water from the fire protection tank in the underground pit as a cooling heat source for the server room within the data center. This has resulted in an effect that mitigates the heat island phenomenon in the city during the summer, leading to a 22% reduction in daytime electricity consumption compared to conventional methods. [Case Study] - "S Data Center" in Tokyo - Utilization of stored water from the fire protection tank in the underground pit as a cooling heat source for the server room within the data center - Mitigation of the heat island phenomenon in the city during the summer, resulting in a 22% reduction in daytime electricity consumption *For more details, please refer to the PDF materials or feel free to contact us.

  • Facility Design
  • Photovoltaic power generation system (solar system, energy-saving housing, electricity sales business)

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[Case Study of Craftwork System Implementation] Food Warehouse

Stably maintain the air conditioning environment in the cargo handling room! Additionally, use the excess heat for heating the office!

Our efficient energy utilization system, the "Craftwork System," can be applied not only in residential settings but also in various scenarios. As an example, we would like to introduce a case study from a food warehouse. At the "K Food Warehouse" located in Chuo City, Yamanashi Prefecture, this system utilizes geothermal and groundwater heat for heating and cooling the warehouse and office. As a result, the cooling environment in the loading area is maintained at a constant 15°C with 70% humidity. Additionally, residual heat is used to warm the office. [Case Study] - K Food Warehouse, Chuo City, Yamanashi Prefecture - Utilizes geothermal and groundwater heat for heating and cooling the warehouse and office - Maintains a cooling environment in the loading area at a constant 15°C with 70% humidity - Uses residual heat for office heating *For more details, please refer to the PDF materials or feel free to contact us.

  • Facility Design
  • Photovoltaic power generation system (solar system, energy-saving housing, electricity sales business)

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[Case Study of Craftwork System Implementation] Hot Spring Inn

No need for heating oil! Utilizing the heat from hot spring wastewater for indoor heating and hot water supply.

Our efficient energy utilization system, the "Craftwork System," can be applied not only in residential settings but also in various scenarios. As an example, we would like to introduce a case study from a hot spring inn. At "Y Hot Spring Inn" located in Oku-Nikko Yumoto Onsen, the system is used to recover heat from the hot spring wastewater, which is then utilized for heating and hot water supply in guest rooms and the restaurant, among other indoor areas. As a result, the need for heating oil has been eliminated, and gas costs have been reduced by 60%. [Case Study] - Oku-Nikko Yumoto Onsen "Y Hot Spring Inn" - Heat recovered from hot spring wastewater is used for indoor heating and hot water supply - Elimination of heating oil and a 60% reduction in gas costs *For more details, please refer to the PDF materials or feel free to contact us.

  • Facility Design
  • Photovoltaic power generation system (solar system, energy-saving housing, electricity sales business)

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Heat Recovery Solutions Collection [From Factories to Farms!]

Published a 'Problem-Solving Collection for Waste Heat Utilization' featuring examples of electricity cost reductions exceeding 2.5 million yen per year! Capturing heat that was previously discarded as waste heat and reusing it for heating and cooling!

The efficient energy utilization system of Craftwork can be applied not only in residential areas but also in various scenes. By introducing it to agriculture, livestock farming, large factories, nursing homes, kindergartens, schools, and other facilities, it is possible to significantly reduce running costs and create an eco-friendly environment that does not emit CO2. 【Features】 ■ CO2 emissions will be eliminated. ■ It is possible to achieve a safe, comfortable, and rich living environment solely with renewable energy. ■ For heating and cooling, radiant heat is utilized, allowing each room to maintain a uniform temperature and be used 24 hours a day. ■ There is no risk of fire since it does not use flames. ■ There is no waste heat after use, which is expected to help alleviate urban heat island phenomena occurring in metropolitan areas. ■ It allows for a symbiotic lifestyle with the natural environment. *For more details, please request materials or view the PDF data from the download.

  • Facility Design
  • Photovoltaic power generation system (solar system, energy-saving housing, electricity sales business)
  • System kitchen

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