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The global HVAC market is witnessing steady growth as it becomes an essential component of modern building infrastructure, supported by stable new construction, replacement demand, and renovation activities across residential and nonresidential buildings, according to a recent Arizton report. The global HVAC market size was valued at US$215 billion in 2025 and is expected to reach $292.2 billion by 2031, growing at a compound annual growth rate (CAGR) of 5.25% during the forecast period. The commercial end-user segment shows the fastest-growing CAGR of 6.13% during the forecast period. The rapid expansion of real estate and infrastructure projects across major economies, including China, India, South Korea, Brazil, Germany, France, the United Kingdom, and Spain, among others, continues to drive demand for HVAC systems. The HVAC market is also witnessing a strong shift as governments across the regions encourage building decarbonization and electrification initiatives through policies such as the European Union’s Energy Performance of Buildings Directive (EPBD) and the U.S.'s ENERGY STAR. These policies are accelerating the replacement of fossil-fuel-based heating systems with energy-efficient heat pumps and low-emission HVAC technologies, thereby significantly supporting the demand for advanced residential and commercial climate-control systems. In 2025, the air conditioning segment accounted for the largest share of equipment at around 45%. The central air conditioning segment accounted for the largest global HVAC market share. In heating, the heat pumps segment accounted for the largest revenue share of around 40% in the global HVAC market. Regarding ventilation, the air-handling units segment accounted for a significant share of over 38% in 2025. In 2025, Asia-Pacific was the largest region in the global HVAC market, accounting for more than 44% of market share. The North America region was the second-largest market, and the U.S. dominated the region and accounted for a significant revenue share in 2025, characterized by a strong mix of replacement-driven residential demand and cyclical new construction activity. This is further supported by efficiency programs such as ENERGY STAR and incentive frameworks under the Inflation Reduction Act, which are accelerating the adoption of high-performance HVAC systems. Still, Europe remains one of the strongest regional markets for HVAC systems, supported by government-backed renovation programs, stricter energy-efficiency regulations, and growing investments in commercial and residential construction. The region's transition toward low-carbon buildings and renewable heating technologies continues to create significant opportunities for HVAC manufacturers and solution providers. Moreover, the European HVAC market is steadily rising due to stable public investment initiatives such as the Affordable Homes Plans and the Net Zero Strategy 2050, which are driving large-scale retrofit and refurbishment activities across the existing building stock. Germany is the largest contributor expected to grow at a significant rate during the forecast period, and Spain is the fastest-growing market owing to rising large-scale infrastructure investments such as Aena, which announced plans to invest approximately $15.2 billion in airport upgrades between 2027 and 2031.