Based on this product's specifications, here are some alternatives and similar models
CO2 and VOC Kombi Sensor MDT SCN-CO2MGS.02
Summary description:
MDT SCN-CO2MGS.02 is a combined CO2 and VOC sensor designed for monitoring indoor air quality. It measures carbon dioxide concentration and volatile organic compounds to help assess ventilation needs and detect pollutant levels. Suitable for commercial and residential buildings, it supports continuous monitoring, helps optimize HVAC operation, and improves occupant comfort and safety.