The AirTest™ Personal Air Quality Monitor measures carbon dioxide (CO2), humidity, and temperature, and displays the results on a large LCD screen, along with date and time. Designed as an affordable, plug-in monitor, ideal for the home or workplace. Display interprets indoor CO2 readings and indicates if ventilation rates are “good.” “normal,” or “poor.” The AirTest Monitor requires no maintenance or calibration and uses advanced sensor technology previously only available in professional air quality diagnostic equipment. AirTest offers a wide variety of sensor technologies for building applications. AirTest: 805/687-3175; [email protected]; www.AirTestTechnologies.com. (AHR Booth 405) — AirTest Technologies