吸収冷凍機市場の規模、シェア、および業界の動向
Demand for the global absorption chillers market continues to grow as industries adopt greener and more cost-effective cooling models. The absorption chillers market was valued at USD 2.1 billion in 2025 and is expected to reach USD 2.9 billion by 2032, registering a CAGR of 4.7% during the forecast period . Absorption chillers, capable of utilizing waste heat and renewable energy sources, have established themselves as an important alternative to traditional electric chillers.
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Market Insights and Technology Landscape
Natural gas-powered direct-fired chillers are expected to maintain a dominant market share of over 50% in 2025, supported by extensive fuel infrastructure and industrial cost efficiencies . Meanwhile, hot water-heated chillers are emerging as the fastest-growing segment, expanding at a CAGR of 5.5% through 2032, as they leverage waste heat in hospitality, healthcare, and district cooling applications .
From a refrigerant perspective, lithium bromide systems account for nearly 90% of the market , catering to large-scale air conditioning needs in the commercial and industrial sectors. Meanwhile, ammonia-based chillers are steadily gaining adoption due to their compliance with global low GWP (Global Warming Potential) regulations. Technology-wise, two-stage chillers dominate with 83% market share, delivering 35% higher efficiency than single-stage units and favored in energy-intensive sectors such as pharmaceuticals and data centers.
Main growth drivers
Increasing demand for energy-efficient cooling
The adoption of absorption chillers is strongly linked to the global movement for energy-efficient cooling solutions . Compared to vapor compression systems, these chillers can reduce electricity consumption by up to 30% , making them highly attractive to industries such as pharmaceuticals and steel. In Germany, steel mills reduced energy costs by 20% by installing absorption chillers for waste heat recovery . Policies such as the U.S. Inflation Control Act, which provides tax credits for energy-efficient HVAC systems, are further supporting this growth.
Environmental regulations driving low GWP solutions
Stringent environmental policies such as the EU's F-Gas Regulation and India's Cooling Action Plan are accelerating the transition to ammonia and lithium bromide-based chillers. These low- GWP systems are aligned with global sustainability goals and green building standards. Major hospitality chains, including Marriott Hotels, are adopting absorption chillers to increase energy efficiency while improving their sustainability credentials.
Urbanization and infrastructure expansion
Emerging economies in Asia Pacific and Latin America offer significant opportunities. Rapid urbanization and industrialization in regions such as China, India, and Brazil are driving investment in robust cooling infrastructure. China will invest US$12 billion in energy-efficient cooling by 2023 , and India's Production-Linked Incentive (PLI) scheme is driving 15% annual growth in green technologies , creating fertile ground for the adoption of absorption chillers.
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Market Challenges
Despite the long-term cost benefits, high initial costs remain a barrier. Absorption chillers can require a 20-30% higher investment than electric chillers, and retrofit projects can cost up to USD 500,000 . Additionally , rapid advances in electric chiller technology, such as Mitsubishi Electric's MECH-iF air-cooled chiller, are increasing competition by offering improved efficiency with lower operating costs.
Regional Outlook
- North America (34.1% share in 2025): Data centers and the oil industry are driving adoption, with strict efficiency regulations and federal incentives fueling growth.
- Europe : Germany, France and the UK are leading the adoption, with a strong focus on sustainability and regulatory compliance.
- Asia Pacific (30% share in 2024): Rapidly urbanizing economies such as China and India are leading the demand with large investments and policy support.
Competitive analysis
The global players in the market include:
- Daikin Industries
- Broad Group
- Career Co., Ltd.
- Hope Deep Blue Air Conditioning Manufacturing Co., Ltd.
- Robar SpA
- Hyundai Climate Control Co., Ltd.
- Trane Inc. (York / Trane Technologies)
- Colibri BV
- LG Electronics
- Yazaki Construction Co., Ltd.
- Shuangliang Eco Energy System Co., Ltd.
- Johnson Controls –Hitachi
- THERMAX LIMITED.
- EAW Energie Anlagenbau GmbH
- Kawasaki Thermal Engineering Co., Ltd.
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