Today, indoor air quality has moved from being an additional benefit to a mandatory condition for human health and building efficiency. Specialists in HVAC, building automation, and smart ventilation are well acquainted with the new addition ANSI/ASHRAE Standard 62.1-2022 Addendum ab, and SenseAir is ready to offer solutions that meet these requirements. 

Key Changes in Addendum ab

The addendum sets stricter standards for CO₂ sensors used in demand-controlled ventilation (DCV) systems. This method is widely used to reduce energy consumption while maintaining optimal air composition. 

Key criteria: 

• Measurement accuracy: ±75 ppm at CO₂ concentrations of 600, 1000, and 2500 ppm, temperature of 25°C (77°F), and normal atmospheric pressure.
• Mandatory factory calibration.
• Certification guaranteeing stable operation without recalibration for 5 years. 

SenseAir Solution 

Four sensor models already fully comply with the updated standards: 

• CO₂ sensor Sunlight CO₂
• CO₂ sensor Sunrise
• miniature CO₂ sensor S8
• S88

These devices have been tested in the range of 400–2500 ppm and demonstrate accuracy within ±75 ppm. Each sensor undergoes individual calibration, ensuring data reliability not only in the laboratory but also in real operating conditions. 

Practical application benefits:

• Resistance to vibrations, temperature, and humidity fluctuations.
• Protection against interference caused by direct sunlight or acoustic vibrations. 
• Energy efficiency and a service life of over 15 years even in harsh conditions. 

Using certified sensors allows you to: 

• Meet regulatory requirements
• Ensure a healthy microclimate
• Increase comfort for people
• Reduce energy consumption  

Our specialists are ready to answer your questions about air quality and modern monitoring technologies. Contact us!