Zehnder's industrial air purifiers are configured specifically for the contaminants present in metal fabrication and welding facilities. Every system is installed and maintained by Zehnder, so you get reliable, consistent air cleaning performance from day one.
Welding air purifiers – clean air for metal fabrication facilities
Zehnder's welding air purifiers capture the fumes, particles, and gases that extraction systems leave behind. With custom filter configurations and a full-service rental model, protecting your team has never been more straightforward.
Zehnder's welding air purifiers capture the fumes, particles, and gases that extraction systems leave behind. With custom filter configurations and a full-service rental model, protecting your team has never been more straightforward.
Welding fumes, metal particles, and gases are a constant presence in metal fabrication facilities – and a serious risk to the people working in them. Zehnder's industrial air cleaning systems remove hazardous airborne contaminants around the clock, without capital investment or maintenance burdens.
Why a welding air purifier is more than just LEV
Local exhaust ventilation (LEV) and extraction systems are a necessary part of any welding operation, but they have a fundamental limitation: they only capture contaminants at the point of generation. Welding fumes and fine metal particles that escape the extraction hood continue to circulate through your facility, where they get breathed in by employees throughout the day. Workers at the welding station, using PPE and near LEV systems, are mostly protected. But anyone else moving about the facility is at risk, even if they are far from the welding sites.
The health risks associated with prolonged exposure to welding fumes are well documented. Metal fume fever, occupational asthma, and long-term lung damage are all risks for workers in metal fabrication environments. OSHA maintains strict permissible exposure limits for welding fumes, and facilities that rely on extraction alone frequently find themselves falling short of compliance requirements.
A commercial air purifier designed specifically for metal fabrication and welding environments works alongside your existing extraction to filter the residual fumes, ultrafine metal particles, and gases that circulate beyond the source. The result is cleaner air across your entire facility – and a safer, more compliant workplace for everyone in it.
Industrial air cleaning – the best welding air purifier system
Comprehensive fume control
Works alongside your existing extraction to remove welding fumes, metal particles, and gases from the air across your entire facility – not just at the source.
Controls the most dangerous particles
Ultrafine metal particles and welding fumes that bypass extraction remain airborne for hours. Zehnder's air filtration systems capture what LEV leaves behind.
OSHA compliance support
Documented air quality data to help you demonstrate compliance with OSHA exposure limits and stay prepared for health and safety inspections.
How a welding air purifier makes a measurable difference
The impact of a dedicated welding air purifier extends well beyond the immediate work area. Zehnder systems filter the full air volume of your facility continuously, addressing the fumes that travel through the air and the fine metal particles that settle on surfaces, equipment, and stock throughout the day. Employees across your facility – not only those at welding stations – benefit from cleaner, safer air during every shift.
The operational benefits are equally significant. Metal dust and fume residue that settles on machinery accelerates wear, increases maintenance frequency, and shortens equipment lifespan. With an industrial air purifier removing contaminants before they settle, maintenance costs drop and equipment runs more reliably.
Facilities also report a noticeable reduction in the time and cost spent on cleaning – a recurring overhead in any metal fabrication environment. Paired with your existing LEV setup, a Zehnder welding air purifier gives you complete control over air quality from the welding station to the far corners of your facility.
A rental model built for metal fabrication facilities
Clean air shouldn't compete with business budgets. Our rental model means you access high-performance welding air purification technology for a fixed monthly fee, with no large upfront expense and no depreciation to manage.
From system design and installation to routine filter replacements and performance monitoring, Zehnder takes care of everything. Your team stays focused on production while we keep your air clean.
We measure particle and fume levels in your facility before and after installation, giving you clear, documented evidence of improvement. That data supports your OSHA compliance records and gives you confidence your air purifier filters are performing as specified.
Minimal upfront investment
Clean air shouldn't compete with business budgets. Our rental model means you access high-performance welding air purification technology for a fixed monthly fee, with no large upfront expense and no depreciation to manage.
Fully managed service
From system design and installation to routine filter replacements and performance monitoring, Zehnder takes care of everything. Your team stays focused on production while we keep your air clean.
Verified air quality data
We measure particle and fume levels in your facility before and after installation, giving you clear, documented evidence of improvement. That data supports your OSHA compliance records and gives you confidence your air purifier filters are performing as specified.
Welding air purifiers built for demanding environments
CleanAir
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Industrial air purifier: Zehnder CleanAir -
Four sizes – tailored to your air volume needs -
High CADR thanks to four air outlets -
Removes all particles – fine to large
CleanAir
Zehnder CleanAir
Our most efficient and adaptable system, designed for welding facilities and spaces with consistent fume exposure.
Your benefits at a glance:
Two-stage filtration – including our patented FlimmerM® combination for fine and ultrafine metal particles
Flexible mounting – ceiling, wall, or floor installation to suit your facility layout
Compact design – strong filtration performance without taking up valuable floor space
Energy-efficient operation – adjustments to airflow keep the air clean while saving on running costs
Targeted airflow – directs clean air where it's needed most across your welding environment
The right filters make all the difference in welding environments
Welding fumes and metal particles come in a wide range of sizes and compositions, which means a one-size-fits-all approach to filtration simply doesn't work. Zehnder selects and configures air purifier filters based on the specific contaminants present in your facility – combining filter types to deliver full-spectrum protection.
Here’s how Zehnder’s filtration technology removes airborne pollutants across industrial environments:
Electrostatically charged polypropylene fibers make Flimmer filters exceptionally effective at pulling airborne particles out of circulation without creating resistance in the airflow. In welding environments, they serve as a first line of defense, catching coarser particles , working with the downstream filter that remove smaller particles.
Where fume and dust volumes are high, pocket filters deliver the holding capacity to keep up. Their multi-pocket design maximizes the surface area available for particle capture, making them well suited to facilities running continuous or high-volume welding operations. They can be deployed independently or as part of a multi-stage configuration.
The finest welding fumes – including ultrafine metal particles – require a higher level of filtration to be effective. Compact and HEPA filters handle this final stage, removing the most hazardous contaminants from the air. Available up to H14 class, they are the critical last step in protecting your employees from long-term fume exposure.
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Wood dust collector systems – frequently asked questions
What is the difference between a welding air purifier and a local exhaust ventilation system?
Local exhaust ventilation captures fumes and particles directly at the welding point. A welding air purifier filters the contaminants that escape into the wider facility – the fine and ultrafine particles that remain airborne long after they leave the extraction hood. The two systems work best together.
What health risks are associated with welding fumes?
Prolonged exposure to welding fumes has been linked to metal fume fever, occupational asthma, zinc fever, and long-term lung damage. Certain fumes produced during welding of stainless steel and coated metals carry additional risks. OSHA maintains strict permissible exposure limits precisely because of these documented health effects.
How do I know which welding air purifier is right for my facility?
Zehnder conducts a full assessment of your facility before recommending a solution. We measure the fume types and particle concentrations present, evaluate your existing extraction setup, and design a system configured specifically for your environment.
How is the welding air purifier installed?
The Zehnder team manages the full installation process with no disruption to your operations. Depending on your facility layout, units can be mounted to ceilings, walls, or floors to maximize coverage across your welding areas.
Is there a minimum rental commitment?
Rental terms are typically structured around 12 months and are tailored to your facility size, fume load, and operational requirements. Your Zehnder representative will walk you through the options during your initial assessment.
Let's clear the air in your welding facility
We'll assess your facility, evaluate your existing extraction setup, and design a welding air purifier configuration that protects your team and keeps you compliant. No obligation – just straightforward advice from an industrial air quality expert.
