The Ozone Generator Market, estimated to be valued at USD 1.42 Bn in 2025, is projected to exhibit a CAGR of 8.5%, reaching USD 2.51 Bn by 2032.

Growth is driven by the rising adoption of ozone generators for water and wastewater treatment, food processing, pharmaceuticals, and air purification applications, owing to their effectiveness in disinfection, odor control, and removal of organic and inorganic contaminants. Increasing environmental concerns, stricter government regulations on water quality, and growing demand for safe and chemical-free treatment technologies are accelerating the market growth.

Additionally, technological advancements such as energy-efficient designs, portable ozone generators, and integration with smart monitoring systems are expected to further fuel demand. The expansion of industrial and municipal water treatment infrastructure, particularly in emerging economies across the Asia Pacific and the Middle East, is anticipated to create strong growth opportunities over the forecast period.

Market Takeaways

• By Technology, Corona Discharge is expected to dominate the ozone generator market with a 45.3% share in 2025, driven by its high efficiency, scalability, and cost-effectiveness, making it the preferred choice across water treatment, air purification, and industrial disinfection applications.
• By End Use, Municipal Applications are projected to hold the largest share of 38.7% in 2025, supported by rising investments in wastewater treatment plants, stricter water quality regulations, and the increasing demand for sustainable, chemical-free disinfection methods.
• By Application, Wastewater Treatment is anticipated to account for the leading share in 2025, fueled by growing global emphasis on water reuse, industrial effluent management, and the effectiveness of ozone in breaking down complex organic and inorganic pollutants.
• Regionally, North America is expected to remain a major contributor, holding over 33% share in 2023, owing to advanced water treatment infrastructure, strong regulatory frameworks, and rising adoption of ozone technology in both municipal and industrial sectors.

Ozone Generator Market Report Coverage

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Market Dynamics

The ozone generator market is witnessing strong growth, driven by rising demand for advanced water and air purification technologies across municipal, industrial, commercial, and residential applications. Increasing concerns about water scarcity, stricter wastewater discharge norms, and the need for chemical-free disinfection are pushing municipalities and industries to adopt ozone-based treatment solutions. In addition, the growing focus on indoor air quality post-COVID-19 has accelerated the adoption of ozone generators in healthcare facilities, hospitality, and commercial buildings. Advancements in ozone generation technologies, including corona discharge, cold plasma, and UV-based systems, are further improving efficiency, scalability, and environmental sustainability.

A major growth driver is the widespread adoption of ozone generators in wastewater treatment and water reuse projects, where ozone’s ability to degrade micropollutants, pharmaceuticals, and resistant pathogens makes it superior to traditional disinfectants. Rising investments in industrial effluent treatment, especially in food & beverage, pharmaceuticals, and chemical manufacturing, are creating strong demand for ozone-based systems. The market is also benefiting from the shift toward energy-efficient designs and modular ozone generation systems that can be easily scaled to meet diverse end-use needs.

However, the market faces challenges such as high initial setup and operational costs, as well as concerns around safe handling and ozone exposure, which may hinder adoption in some applications. In addition, the availability of alternative disinfection technologies like UV and chlorine dioxide presents competition. Nonetheless, opportunities are expanding with increasing government-funded water infrastructure projects, adoption of smart ozone monitoring systems, and growing investments in decentralized and point-of-use ozone applications. These factors are expected to sustain strong growth momentum in the market through

Market Trends

• Integration of Ozone with Multi-Stage Purification Systems

Consumer preferences are increasingly leaning toward multifunctional air purifiers that offer comprehensive solutions for indoor air quality, rather than relying on single-technology devices. This has led to the integration of HEPA filters, activated carbon layers, UV-C sterilization, and ozone generation into one unit, providing a layered approach to air purification. In 2024, companies such as Airthereal and Ivation rolled out advanced hybrid purifiers featuring optional ozone modes. These models allow users to switch between standard filtration for everyday use and ozone-enhanced disinfection for deeper cleaning sessions, especially useful for tackling strong odors, mold, and bacteria. This versatility not only addresses varying household needs but also strengthens the positioning of ozone purifiers in a market that is increasingly competitive and focused on multifunctionality.

• Smart & Connected Ozone Purifiers

As smart homes become mainstream, consumer ozone generators are increasingly offered with IoT features that enable remote control, scheduling, and safety interlocks via smartphone apps. These connected functions let users start ozone treatments only when rooms are unoccupied, set timers, and monitor device status from anywhere — improving convenience while reducing exposure risk. Several vendors now document app control and Wi-Fi functionality for their ozone-capable models, and many product pages and support guides explicitly show how scheduling and automatic shutoffs are used to keep treatments safe and traceable.

For instance, in January 2022, Airthereal published a step-by-step guide showing app control for the MA10K-PRO smart ozone generator, explaining how users can schedule ozone treatments to run only when rooms are unoccupied.

Market Opportunities

• Residential Ozone-Based Air Purification

Post-pandemic awareness of indoor air quality has created a growing demand for ozone-based residential air purifiers. These compact and smart devices aim to remove odors, bacteria, and viruses in homes. While regulatory guidance (e.g., from the EPA) limits direct use of ozone in occupied spaces, manufacturers are innovating with safe, controlled-use designs such as unoccupied-room treatment cycles or integration with HVAC systems. This makes residential ozone purification a promising market segment for health-conscious consumers seeking advanced home air quality solutions.

• Hospitality & Travel — Ozone Disinfection Services for Guest Spaces

As travel rebounded post-pandemic, hotels, vacation rentals, and cruise lines have prioritized enhanced hygiene to reassure guests. Ozone generators offer a fast and chemical-free method to disinfect unoccupied rooms, eliminate odors, and reduce pathogens on surfaces. By deploying ozone-based cleaning between guest stays, hospitality providers can improve safety, reduce turnaround time, and differentiate themselves through visible sanitation measures. This creates a growing market opportunity for ozone service providers and equipment suppliers targeting the hospitality sector.

Analyst View

• The ozone generator market is poised for robust growth through 2032, underpinned by rising adoption in water and wastewater treatment, air and surface disinfection, food processing, pharmaceuticals, and residential air purification. Their effectiveness in odor control, microbial reduction, and removal of organic and inorganic contaminants positions ozone generators as a preferred choice for applications demanding chemical-free treatment solutions. Advancements in energy-efficient designs, smart monitoring integration, and portable systems are further accelerating market adoption.
• Demand is being driven by growing environmental concerns, stricter government regulations on water quality, and the increasing focus on indoor air quality post-pandemic. Municipal investments in wastewater treatment infrastructure, industrial effluent management, and point-of-use ozone applications in food, beverage, and healthcare sectors are supporting consistent the market expansion. Corona discharge technology remains dominant due to its efficiency, scalability, and cost-effectiveness, while modular and portable ozone systems are gaining traction for flexible deployment.
• On the technology front, innovations such as smart & connected ozone generators, multi-stage purification systems, and IoT-enabled monitoring are enhancing operational safety, performance, and convenience. Smart residential ozone purifiers with controlled cycles and app-based scheduling mitigate exposure risks, while industrial and municipal systems benefit from automated monitoring and energy-optimized designs.
• Regionally, North America continues to lead in adoption due to advanced water treatment infrastructure, regulatory support, and rising demand across municipal and industrial applications. Asia Pacific is emerging as a fast-growing market, driven by rapid industrialization, urbanization, and large-scale investments in water treatment and food processing. Europe maintains steady growth through environmental compliance initiatives, while the Middle East and Africa present opportunities in desalination, municipal water treatment, and hospitality disinfection projects.
• From an investment standpoint, the market offers significant potential in smart, energy-efficient, and portable ozone solutions, residential air purifiers with controlled ozone cycles, and industrial systems integrated with IoT monitoring. Challenges such as limited ozone half-life, high upfront costs, safe handling requirements, and competition from alternative disinfection technologies like UV and chlorine dioxide persist. Addressing these through technology innovation, cost optimization, and regulatory compliance will be key for long-term market leadership.

Recent Key Developments

• In April 2023, Fresh Mouth, a leading provider of oral health products, announced the launch of its new ozone generator that doubles as a hydrogenated water generator. This innovative product is one of the only units on the market that provides both benefits separately, promoting unique therapeutic and nutritional advantages.

Competitive Landscape

• Xylem Inc.
• Mitsubishi Electric Corporation
• Suez SA
• Toshiba Corporation
• Ebara Corporation
• Ozonetech Systems OTS AB
• Absolute Systems Inc.
• DEL Ozone
• Primozone Production AB
• Daikin Industries, Ltd.
• Ozonia (Suez Water Technologies & Solutions)
• Oxyzone
• MKS Instruments, Inc.
• Biotek Environmental Science Ltd.
• International Ozone Technologies Group, Inc.

Ozone Generator Market Segmentation

• By Technology
• Corona Discharge
• Cold Plasma
• Electrolysis
• Ultraviolet
• By End Use
• Municipal
• Industrial
• Commercial
• Residential
• By Application
• Wastewater Treatment
• Air Treatment
• Laboratory & Medical Equipment
• Others

Regional Insights

• North America
  • U.S.
  • Canada
• Latin America
  • Mexico
  • Brazil
  • Argentina
  • Rest of Latin America
• Europe
  • Italy
  • Germany
  • U.K.
  • Spain
  • France
  • Russia
  • Rest of Europe
• Asia Pacific
  • South Korea
  • India
  • Japan
  • China
  • Australia
  • ASEAN
  • Rest of Asia Pacific
• Middle East
  • GCC Countries
  • Israel
  • Rest of the Middle East
• Africa
  • South Africa
  • North Africa
  • Central Africa