Established in 1975, CoolairAustralia manufactures and installs energy-saving heating, cooling and ventilation systems, including evaporative air-coolers and solar air conditioners. Its more than 100 engineers use large-scale airflow testing and direct customer feedback to develop systems suited to demanding Australian conditions, while its work extends into green-building design and bio-based phase-change materials. The company operates through more than 100 locations worldwide and provides factory-certified installation and ongoing service.
EVAPCO, IncFounded in 1976, EVAPCO designs and manufactures heat-transfer equipment for evaporative cooling and industrial refrigeration applications. The employee-owned company became employee owned and operated in 1984 and now engineers and manufactures products at 36 locations in 14 countries, supported by a sales network of more than 200 offices. Its Mr. GoodTower operation extends that work into maintenance, repair and replacement support for evaporative cooling equipment.TANEYTOWN, MD
Rensair LimitedFor 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.BROOKLYN, NY
INNOVAFounded in 2004 by Oreste Bottaro, INNOVA designs and manufactures heating, ventilation and air-conditioning systems for climate comfort, including its distinctive all-in-one heat pumps that operate without an outdoor unit. Rooted in Italian engineering, the company now serves more than 30 countries and develops its systems at a 200,000-square-foot facility in Storo, Italy, alongside a dedicated research and development pavilion. INNOVA expanded into the United States in 2019 and returned to its original name in 2026 after previously operating there as Ephoca.CLEVELAND, OH
Air InnovationsSince its 1983 founding as Clean Room Technology, North Syracuse-based Air Innovations has built its identity around solving environmental-control problems that standard HVAC cannot handle. Renamed in 2001, the company designs and manufactures tailored systems for demanding work, with an in-house two-chamber laboratory used to test performance under simulated indoor and outdoor conditions before production.SYRACUSE, NY