About Us

For over 20 years, GrayWolf has been the worldwide market leader in high performing, portable and semi-permanent data-logging indoor air quality instrumentation. More recently continuous monitoring instruments have been added to our range. We have worldwide distribution and service, and a strengthening presence in other air monitoring instrumentation markets. Our products are designed to diagnose opportunities to improve the productivity, health and safety of occupants, while increasing energy efficiency in buildings and identifying ‘green’ solutions for the planet.



What We Offer

GrayWolf offers advanced sensor, instrumentation and software technology, employing the power of mobile devices and cloud-based platforms for superior environmental testing and monitoring applications. Handheld, desktop and wall-mount probes/meters measure, log and report on a broad range of key IAQ parameters. Choose from smart "plug & play" sensors for CO2, TVOCs, CO, %RH, Temperature, O3, NO2, H2S, SO2, Cl2, NH3 and many other specific gases. Particulate (PM 1.0, PM 2.5, PM 10, TSP), Formaldehyde, Differential Pressure, Ventilation Rate and other important parameters are also available for simultaneous data collection.


Virtual Booth Representative





Virtual Booth Representative


Juan Irizarry-Hernandez


Virtual Booth Representative


Rick Stonier


Product/Services Information

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Company Info


Gray Wolf Sensing Solutions

6 Research Drive

Shelton, CT06484


Maine Indoor Air Quality Council
PO Box 2438

Augusta, Maine  04338-2438

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