What IAQ really means
Indoor Air Quality covers carbon dioxide, particulates (PM2.5), humidity, and volatile compounds. Poor IAQ causes fatigue, headaches, and lower productivity — a hidden cost in every building.
Ventilation first
Mechanical ventilation with controlled fresh-air rates dilutes contaminants. Demand-controlled ventilation (DCV) adjusts airflow by CO2, saving energy while protecting air quality.
Filter and balance
Proper MERV or F-class filters capture particulates; balanced supply and return keep pressure stable. Pair filtration with humidity control (40 to 60 percent RH) to limit microbes and static.
DNARENS control modules support CO2-based DCV and can report IAQ trends to the BMS, turning air quality from a guess into a measured metric.
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