
PAC Corporation (Thailand) Co., Ltd. (PAC), a leader in energy-efficient hot water and air conditioning innovations in Thailand, is proud to partner with ITOMIC Corporation, one of Japan’s leading heat pump water heater manufacturers with over 70 years of experience and world-class technological expertise.
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The partnership between PAC and ITOMIC is a major milestone in expanding High Temperature Heat Pump technology, which produces high-temperature hot water efficiently and sustainably, meeting the demands of the industrial, hospitality, healthcare, and commercial building sectors in Thailand and Southeast Asia.
Leveraging ITOMIC’s expertise in CO₂ Heat Pump (CO₂HP) technology—with a Global Warming Potential (GWP) of just 1, the lowest among refrigerants—this system is a key solution for the transition to a Net Zero Society.
By integrating PAC’s strengths in system design, innovative application, and end-to-end solutions, PAC is poised to drive the sustainable adoption of world-class Heat Pump technology in the Thai market.
This collaboration reflects PAC’s commitment to clean energy innovation and underscores the capability of Thai companies to meet international standards, propelling the nation’s energy industry toward a truly sustainable future. 
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PAC Corporation (Thailand) Co., Ltd., a Thai pioneer in energy-efficient hot water and air conditioning systems, is proud to announce its collaboration with ITOMIC Corporation, one of Japan’s leading manufacturers of heat pump water heaters. With over 70 years of experience, ITOMIC is globally recognized for its cutting-edge technology and commitment to sustainable innovation.
This partnership marks a significant milestone in expanding the adoption of High Temperature Heat Pump technology — a system capable of producing high-temperature hot water with exceptional efficiency and minimal environmental impact. The collaboration aims to meet the growing demand from industrial facilities, hotels, hospitals, and large-scale buildings in Thailand and across Southeast Asia.
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With ITOMIC’s expertise in developing CO₂ Heat Pump (CO₂HP) technology — which boasts a Global Warming Potential (GWP) of just 1, the lowest among all refrigerants — the system stands out as a key solution for achieving a Net Zero Society.
When combined with PAC’s strength in system design, innovation integration, and comprehensive energy solutions, this partnership establishes PAC as a driving force in bringing world-class Heat Pump technology to the Thai market in a sustainable and impactful way.
This collaboration not only reinforces PAC’s commitment to advancing clean energy innovation but also highlights the company’s capability to operate at international standards, leading Thailand’s energy industry toward a truly sustainable future. 


