For more than two decades, Rensair Limited has developed commercial air-filtration systems and connected air-quality technology that clean indoor air while helping existing HVAC systems use less energy. Its ecosystem combines portable HEPA and UVC air purifiers with sensors and Rensair Cloud software, allowing buildings to improve air quality without replacing their ventilation infrastructure. Developed from technology created by Danish ventilation engineer Henrik Hendriksen, Rensair’s independently tested systems are used by organisations in more than 40 countries across five continents.
HEPA Standard 99.97% Efficiency at 0.3 μm
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CE Marking
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UKCA Marking
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cETLus Certification
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California Air Resources Board Compliance
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U.S. Environmental Protection Agency Compliance
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Liverpool Biovalidation Protocol
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IPMVP Measurement and Verification Protocol
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RensairBuilt around a Danish ventilation engineer’s lab-certified technology, Rensair develops commercial air-filtration and smart-ventilation systems that clean indoor air while helping existing HVAC systems use less energy. For more than two decades, the company has paired HEPA and UVC purification with connected sensors and software, avoiding disruptive HVAC replacement. Its solutions are used in populated indoor spaces across more than 40 countries, including healthcare, education, offices and transport.NEW YORK, NY
Clark Air SystemsFrom a 36,000-square-foot facility near Buffalo, Clark Air Systems designs and manufactures industrial air cleaners and filtration systems for difficult indoor-air-quality problems. This third-generation company brings 50 years of experience to applications ranging from weld smoke and oil mist to institutional filtration, and its systems have been used by hundreds of companies across the United States and Canada. Clark Air also handles design, installation and maintenance, including large engineered projects such as a 36-unit air-cleaning system for a New York manufacturing expansion.EAST AURORA, NY
Cosmos Air Purification & Environmental Systems IncEstablished in 1996, Cosmos Air Purification & Environmental Systems Inc. designs and manufactures air-filtration products and tailored clean-air systems for residential, commercial, and industrial settings. The Landover company became a one-stop filtration supplier after acquiring National Capital Filter Corporation in 1997, pairing custom filter manufacturing with change-outs, system design, and its Filternomics™ education program. Its project history includes filtration work associated with prominent Washington-area sites such as the Pentagon and the White House.HYATTSVILLE, MD
Agentis Air LLCAgentis Air develops indoor air-cleaning systems, led by its Brio 650 commercial-scale purifier, to close the gap between conventional HVAC and healthier indoor air. Its patented APART electrostatic technology was developed with researchers at the University of Washington and is designed to capture fine and ultrafine particles without filter clogging. Brio 650 is independently certified as ASHRAE Standard 241 compliant and UL 2998 zero-ozone certified, while its quiet operation suits occupied homes, offices, and classrooms.