Leaders in Ozone Technology

With more than 25 years of experience and over 3000 installations including some of the largest ozone systems in the world.

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    30+

    Years of Expertise

    3000+

    Successful Installations

    50+

    Countries

    OTSIL- India’s Leading Ozone Generator Manufacturing Company in India

    With over 30 years of expertise and over 3000 successful installations including some of the largest in the world, Ozone Technologies and Systems India Pvt Ltd (OTSIL) is a trusted leader in Ozone Technologies in India. OTSIL backs up this experience with the world’s most reliable water and air-based ozone generators, efficient ozone mixing systems, ozone destructors, and precision ozone sensors to suit every process requirement.

    OTSIL works with the world’s leading ozone experts and water treatment companies to tackle water and wastewater problems unique to India and create practical, long-term solutions for industries and municipalities.

    Explore our Range Of Industrial Ozone Generators

    Indizone Pharmaline Series

    Pharmaline Series ensures reliable ozone performance for pharmaceutical companies, delivering high-purity output with smart monitoring, seamless integration, and low-maintenance design for critical purification processes.

    Indizone CDI Series

    Delivering high-concentration ozone up to 12%, the CDI Series offers reliable, cost-efficient solutions for municipal, industrial, and effluent treatment with a rugged design and unmatched performance.

    Ozonia CFS Series

    The Ozonia CFS series is a compact, reliable, and perfect for small to mid-sized water treatment systems, an ozone for wastewater treatment. ideal choice for industrial water and wastewater treatment

    Ozonia M-series

    High-performance industrial ozone generators with IGS+ and SmartO3®, delivering up to 20% higher capacity, 25% energy savings, compact design, and reliable operation for large industrial and municipal water & water water applications.

    Ozonia Membrel

     Ozonia Membrel ensures ultrapure water disinfection through electrolytic ozone generation, offering zero contamination, minimal maintenance, faster ROI, and uninterrupted protection for PW, HPW, and WFI systems.

    Indizone Air

     Delivers rapid surface and air ozone generator sterilisation with smart ozone deactivation, ensuring safe, occupation-ready spaces, along with reliable and safe sanitisation.

    Sanitoz

    A portable plug-and-play ozone treatment machine for rapid and effective air and surface sanitisation. It ensures complete disinfection in compact spaces within minutes, ideal for work environments.

    Revolutionary ozone Installations by OTSIL

    Have questions about our ozone systems or applications? We’re ready to assist you.

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    Explore our Ozone Applications

    Water Treatment

    An ozone machine (Generator) acts as a powerful tool for water treatment, disinfecting, removing heavy materials and pollutants from the water, making it filterable and safe for drinking purposes. 

    Water for Injection (WFI)

    OTSIL’s ozonator for water treatment plants delivers reliable performance and requires minimal maintenance, providing contaminant-free water that is safe and regulatory-compliant for PW, UPW, and WFI.

    Ozonolysis

    Ozone treatment machines facilitate safe and efficient chemical oxidation processes, optimising reactions while minimising environmental impact.

    Pulp and Paper Bleaching

    Industrial ozone generator enhances pulp brightness, reduces chemical use, and provides environmentally friendly bleaching solutions for water-intensive processes while maintaining fibre quality.

    Swimming Pool Water Treatment with Ozone Technology

    Ozone for swimming pools ensures safe, crystal-clear water by eliminating bacteria, preventing odours, and reducing chemical use, offering an eco-friendly and low-maintenance disinfection solution for all pool types.

    Discover how our ozone technology can enhance efficiency, sustainability, and safety for your operations.

    Explore Solutions

    OTSIL

    About Us

    Throughout the world, municipalities and industries are having to do more with less. OTSIL’s technical expertise and world-class products help address the varied challenges of industrial and municipal air and water treatment.
    OTSIL’s ozone generators have the highest production efficiency, lowest power consumption, and lowest cost of ownership of any ozone system in the country. Through innovative products, applications, mixing technologies, and proprietary dosage designs, OTSIL helps companies and governments across the world achieve maximum results with minimum ozone. Read More

    Stew (secondary treated effluent wastewater) stp treatment
    Otsil - installed in over 50 countries around world

    OTSIL Ozone generators have been installed in over 50 countries around world.

    With installations across 50+ countries. From drinking water disinfection, swimming pool treatment, colour removal, and COD reduction to advanced applications like ozonolysis and pulp bleaching, OTSIL’s expertise spans both simple and complex treatment needs. Known for the highest production efficiency and lowest power consumption, our systems deliver reliable results with reduced costs of ownership. Through innovative technologies and proprietary dosage methods, OTSIL continues to help municipalities and industries achieve safe, effective, and future-ready water and air treatment.

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    Case Studies or Projects

    Government Spine Institute And Kidney Hospitals , Gujarat , India

    OTSIL helps reduce time between operations by improving the existing disinfection strategy in modular operation theaters.

    Ozone-based Surface and Air Sanitisation of Metro Rail Coaches, Telangana, India

    OTSIL helps Larsen and Toubro ramp up COVID-19 safety protocols by neutralising more than 99% of pathogens both from the surface and air within the train coaches.

    Converting Sewage Water to Drinking Water, Chennai, India

    OTSIL helps the Tamil Nadu Government become the first state to use tertiary-treated STP water for drinking purposes.

    Otsil services

    Design and engineering

    Lab and pilot trials

    Onsite technical support

    Product Support

    Write to us for more information

    Testimonials

    FAQS

    Ozone generators are utilised in various industries such as water treatment, pharmaceuticals, food and beverage, textiles, pulp and paper, aquaculture, pools, and other sectors that require safe, chemical-free disinfection.

    Most ozone manufacturers provide corona discharge systems for industrial applications, while UV-based systems are used in smaller-scale setups or specialised processes.

    Clients rely on OTSIL for its high efficiency, low power consumption, robust design, and demonstrated success across thousands of installations.

    Our generators are designed with durable components, advanced cooling systems, and optimised designs to operate reliably in demanding industrial environments.

    Yes, OTSIL specialises in both standard and complex projects, including high-concentration ozone and sensitive process applications.

    Our unparalleled efficiency, unique technologies, and worldwide experience enable us to achieve maximum performance while minimising ozone usage.

    Yes, OTSIL exports systems worldwide, with a strong presence across Asia, Africa, Europe, and the Middle East.

    Yes, we offer comprehensive after-sales service, including spare parts, upgrades, preventive maintenance, and long-term technical support.

    Ozone effectively eliminates bacteria, viruses, and biofilms in purified and WFI systems, ensuring the delivery of sterile water without chemical residues while complying with stringent global pharmaceutical standards.

    A reliable system consists of an ozone generator, mixing and contacting systems, off-gas destructors, sensors, and safety controls for efficient and secure operation.

    OTSIL systems are installed in over 50 countries, serving industries and with solutions tailored to regional and regulatory requirements.

    We integrate constant monitoring, fail-safe mechanisms, and compliant dosage designs to meet Indian and international safety and quality standards.

    We offer comprehensive support, including design consultation, pilot trials, installation, training, troubleshooting, and ongoing maintenance throughout the product’s lifecycle.

    Yes, ozone effectively reduces Chemical Oxygen Demand (COD), colour, odour, and pathogens in industrial wastewater, making it an efficient and sustainable treatment method.

    Our experts evaluate your application, water quality, and treatment goals to guide a customised, cost-efficient ozone solution. Contact us to know more.