Honeywell CO2 Sensors are designed to monitor and maintain healthy levels of carbon dioxide (CO2) in buildings. With a built-in algorithm that continually adjusts the level of ventilation needed to keep the air fresh, these sensors provide accurate, reliable CO2 monitoring for any indoor space. They work by detecting increases or decreases in CO2 levels, alerting staff, tenants, and visitors when necessary so action can be taken quickly. This helps to not only improve air quality, but also support the health and safety of people working and living inside the building.