Case study of the heat recovery heat pump "eco Multi Heapon WSR"
Reduced fuel costs by approximately 60%. The behind-the-scenes solution to the decrease in source temperature with "WSR".
■ Introduction Results: Annual cost reduction of approximately 4.13 million yen! Compared to oil boilers, we achieved overwhelming cost improvement and reduced environmental impact. 【Annual Running Costs (Estimation)】 Oil Boiler: Approximately 7.18 million yen After WSR introduction: Approximately 3.04 million yen (Reduction of about 4.13 million yen) 【CO2 Emissions】 Before introduction: 136 t-CO2 After introduction: 52 t-CO2 (Reduction of about 60%) ■ Challenge: Decrease in source water temperature and complaints The facility was marketed as having "free-flowing source water," but in winter, the temperature dropped from 40°C to around 36°C. Without heating equipment, it was difficult to maintain the bathing temperature, leading to significant complaints from customers. ■ Solution: Introduction of the water-source heat pump "WSR" We adopted the "WSR-B (10 horsepower)" to effectively utilize unused source heat below 40°C. Instead of burning fossil fuels, this system efficiently raises the source heat to 43°C, balancing the brand's commitment to "free-flowing" and "cost savings."
basic information
Model: SCV-010WSR-B 1. <Heating: Hot water inlet=60℃/outlet=65℃> <Cooling: Heat source water (cold water) inlet=20℃/outlet=15℃> Heating capacity: 27.5/33.6 kW Cooling capacity: 18.0/22.0 kW 2. <Heating: Hot water inlet=45℃/outlet=50℃> <Cooling: Heat source water (cold water) inlet=30℃/outlet=27℃> Heating capacity: 35.6/44.7 kW Cooling capacity: 28.4/34.7 kW Dimensions W×D×H(mm): 771×759×958 Product weight (kg): 190
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【Current Installation Location】 A bathing facility with abundant hot springs <Background and Challenges of Implementation> The facility advertised "free-flowing hot spring water," but struggled with the source water temperature dropping to nearly 36°C during winter. At that time, there was no heating equipment, leading to customer complaints due to the inability to maintain an appropriate temperature. It was urgent to find a low-cost heating solution while maintaining the brand's "free-flowing" reputation. 【Implementation Effects】 The water-source heat pump "WSR-B" was introduced to efficiently recover unused geothermal heat below 40°C. The annual cost of heating with an oil boiler was approximately 7.18 million yen, while after the introduction of the WSR, it is expected to be around 3.04 million yen, resulting in an estimated annual reduction of about 4.13 million yen in running costs. CO2 emissions were also reduced by 84 tons per year (about 60%), achieving an environmentally friendly "sustainable free-flowing hot spring operation." Since it is a water-source type, no exhaust space is required, and the neat installation in the limited machinery room has been well received.
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Since our founding, Science has been engaged in business with the themes of health maintenance and environmental conservation. Throughout this journey, we have come to believe that water and air, the sources of all things, are indeed the most important elements connecting health and the environment. Starting with the development of a 24-hour bathing water purification and heating system (24-hour bath) that has been highly praised for its three major benefits of labor-saving, energy-saving, and resource-saving, we achieved a COP of 6.3 through simultaneous extraction of high-temperature water at 70°C and cold water at 7°C, significantly reducing CO2 emissions with our environmentally friendly and energy-saving heat pump system. We also developed a new product, a weakly acidic electrolyzed beauty water, which not only strongly inhibits the growth of Legionella bacteria but also offers high beauty effects due to its weakly acidic nature. Moving forward, we will continue to aim to be a company that brings joy and inspiration to people and the planet through product development centered on the themes of environment, energy conservation, water, and health.