Gaseous Ozone Treatments in Wisconsin & Beyond

For our gaseous ozone treatments, we use specialized equipment that premixes ozone into a controlled airflow before distribution. This prevents any localized areas of extreme concentration that could cause material damage, ensuring an even and predictable treatment across the entire target space. Each application is tailored to the pathogens or contaminants we are addressing, using the correct parts-per-million (ppm) to time ratio to achieve the required disinfection level. In most large-volume plant fumigations, we work within a 5–30 ppm range, with the ability to exceed 50 ppm where time or biological load requires it.
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Go Beyond the Surface

Industry Applications for Gaseous Ozone Fumigation

Gaseous ozone fumigation is a dry, contact-free method of deep disinfection, ideally suited for unoccupied spaces that require rapid, comprehensive pathogen control. By generating and distributing ozone gas in a controlled environment, HS Ultra delivers full-space sterilization without leaving any chemical residue or requiring post-treatment cleanup. This method is particularly effective across a wide range of industries. Food processing and packaging plants benefit from full-plant resets in less than 24 hours, ensuring production lines can resume safely and quickly. Poultry growout and livestock farms use ozone fumigation for barn biosecurity, reducing pathogen load before harvest. Cannabis grow operations take advantage of off-cycle odor and mold control, maintaining crop health and quality. In education and elder care settings, such as private schools, daycares, and assisted living facilities, ozone fumigation enables rapid emergency illness resets or pandemic response, helping limit outbreaks. Fitness facilities utilize overnight room resets to keep locker rooms and equipment safe, while food storage and distribution centers rely on ozone treatments for deep cleaning and mold or spore control. By targeting a wide spectrum of pathogens, including bacteria, viruses, mold, and biofilms, gaseous ozone fumigation offers a safe, efficient, and highly effective solution for organizations that require uncompromising sanitation standards.

Ongoing Support & Hygiene Consulting

At HS Ultra, gaseous ozone fumigation is more than a one-time treatment — it is part of a broader commitment to ongoing hygiene support and operational excellence. Our team works closely with facilities to develop and implement tailored hygiene protocols, ensuring that ozone fumigation integrates seamlessly with existing sanitation programs. For facilities under strict regulatory oversight, we offer recurring service programs, providing scheduled or emergency treatments to maintain consistent pathogen control over time. Root Cause Analysis (RCA) consulting is available following any hygiene failures or outbreaks, helping organizations identify contributing factors and prevent recurrence. Staff training is another critical component of our support, enabling teams to understand ozone fumigation protocols, operate safely around treated spaces, and maintain hygiene standards between treatments. By combining advanced fumigation technology with strategic, hands-on consulting and recurring services, HS Ultra ensures that industrial, commercial, and educational facilities in Wisconsin and surrounding areas achieve long-term sanitation, regulatory compliance, and peace of mind.
Deep Disinfection Where It Matters Most

Trusted by Facilities That Can't Afford Risk

Complete Penetration

Reaches areas that manual or spray disinfection cannot, including behind walls, inside vents, and within porous surfaces.

Residue-Free Disinfection

Neutralizes contaminants without harsh chemicals or post-treatment cleanup, just air and time.

Ideal for Reset or Recovery

Used for deep resets, emergency remediation, or scheduled decontamination in critical environments.

gaseous ozone fumigation
gaseous ozone fumigation ozone for food processing plants
gaseous ozone fumigation

Our Commercial Solutions

Tailored. Measurable. Chemical-Free.
Explore our specialized services designed for businesses, facilities, and critical industries. Each solution is built for performance, safety, and long-term results.

Custom Consulting & Installations

Our team works closely with your operations, safety, or facilities team to develop a tailored disinfection plan based on your goals, pathogen risks, and compliance needs. Whether you’re managing food production, patient care, or high-traffic public buildings, we design systems that integrate seamlessly and deliver measurable microbial reduction.

UV-C Air & Surface Disinfection

Our high-output UV-C systems are engineered to disinfect air and surfaces in a single pass—making them ideal for HVAC retrofits, production lines, and patient care zones. Designed for performance and safety, these systems continuously reduce pathogens without the use of chemicals, downtime, or labor-intensive processes.

Aqueous Ozone Applications

Harness the power of Stabilized Aqueous Ozone (SAO)—a safe, non-toxic cleaning solution ideal for daily disinfection. Unlike conventional aqueous ozone, our SAO systems maintain potency longer, making them reliable for food contact surfaces, toys, medical equipment, and more. As authorized Tersano distributors, we exclusively use stabilized solutions that meet high standards for safety and performance.

Gaseous Ozone Fumigation

Our ozone gas treatments saturate the airspace and reach deep into HVAC ducts, equipment, and porous surfaces—destroying mold, bacteria, and viruses at the molecular level. Ideal for deep resets in food plants, labs, animal care, or buildings with persistent odor or contamination issues.

Proven Results from Real-World Application

Daycare Study: A New Standard in Childcare Disinfection

Discover how one childcare center dramatically improved air and surface safety across 12 key areas using HS Ultra’s disinfection technologies. This case study highlights the power of combining UV-C air purification, ozone fumigation, and aqueous ozone cleaning for daily, residue-free sanitation. From reducing airborne pathogens to protecting infants from chemical exposure, the data shows a measurable difference in creating healthier environments for children and staff alike.
See the Science at Work

Before & After: Surface Test Plate Results

Visual proof of disinfection. This side-by-side comparison shows the microbial colony counts before and after HS Ultra treatment. Using air settle plates and surface swabs analyzed with blood agar and LB media, our team captured clear reductions in biological load—validating the effectiveness of our multi-prong approach. Whether it’s a daycare, office, or production facility, our disinfection results are not just felt—they’re seen.
Before After
Before After
Before After
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