Air Quality


The enVerid Air Purifier combines a high-efficiency filter with built-in ultraviolet germicidal irradiation (UVGI) technology to capture and inactivate viruses.

The enVerid Air Purifier is a ceiling mounted, localized filtration solution suitable for offices, classrooms, retail stores, and other commercial applications. It offers a cost-effective way to ensure healthy indoor air quality without the significant expense of upgrading HVAC systems and the “energy penalty” associated with conditioning higher volumes of outside air.

Compared to portable air filters, the ceiling mounted system saves valuable floor space, avoids clutter, and allows for more flexible placement to minimize noise and optimize air flow. Each unit can clean the entire air volume every 20 minutes in a space up to 1,000 square feet.

Cleaning Indoor Air With enVerid

The HLR® system is the only commercially available solution that effectively captures CO2, VOCs and formaldehyde from indoor air in buildings. During the adsorption phase of HLR’s operating cycle, a small portion of indoor air flows through the sorbents and contaminants are captured, allowing clean air to flow back into the building. CO2 levels are maintained near or below their target parts-per-million (ppm) levels, which can be set by the users, even with high occupancy densities. VOCs and formaldehyde levels are also maintained at or below target levels. The intelligent feedback mechanisms designed into enVerid’s HLR control algorithms allow the system to keep up with dynamically changing levels of indoor contaminants, maintaining consistent and controlled indoor air quality.

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1075 Broad Ripple Avenue,
P. O. Box 375
Indianapolis, IN 46220