Technical terms

Absolute air humidity

ACH - Air Change per Hour

ADS - Analog and Digital Sensor

CFM – Cubic Feet per Minute – flow unit

CO – carbon monoxide

CO₂ - carbon dioxide

eCO₂

EPA - Environmental Protection Agency

DCV – Demand Control Ventilation

Dew point

H2CO – Formaldehyde

HVAC - Heating, Ventilating, and Air Conditioning

IAQ – Indoor Air Quality

NDIR

nitrogen dioxide

oxygen dioxide

NL, NLII - New Line

PM_x - Particulate Matters

ppm

Radon

Relative humidity

THI

TVOC - total VOC

UBA - german environment agency

Ventilation Rate (VR)

VOC - Volatile Organic Compounds