Evaporative cooling is the process of lowering air temperature through water evaporation. When liquid water converts to vapor, it absorbs heat from the surrounding air, reducing the ambient air temperature of that space. This is the same mechanism behind perspiration...
Dew point temperature is the air temperature at which water vapor in the air reaches saturation and begins to condense into liquid water on surfaces. When ambient air cools to this threshold, or when a surface is cold enough to bring the air at its boundary to...
Adiabatic cooling is the process of reducing air temperature through water evaporation, without the input of external heat energy. Water absorbs heat directly from the surrounding air as it transitions to vapor, lowering the air’s sensible temperature as a...
A swamp cooler, also called an evaporative cooler, reduces air temperature by drawing warm air across a water-saturated surface so that water evaporation absorbs thermal energy from the airstream, lowering the discharge temperature without refrigerant or a compressor....
An evaporative cooler is a device that lowers air temperature by using the energy absorbed when water evaporates. This guide covers how the technology works, the main system types, climate and humidity suitability, commercial and industrial configurations, how...
A dew point temperature above 60°F (15°C) is generally considered high. Above 65°F (18°C), conditions become conducive to surface condensation, mold growth, and measurable physical discomfort. This article explains the dew point scale, how dew point differs from...
Dew point is the temperature at which water vapor in the air begins to condense into liquid water. It’s a direct measure of how much moisture the air actually contains, and unlike relative humidity (RH), it doesn’t shift as air temperature rises and falls...
Indoor air quality is measured using sensors and monitors that detect specific pollutants including carbon dioxide (CO2), particulate matter, volatile organic compounds (VOCs), radon gas, and relative humidity (RH), with readings interpreted against established health...
Relative humidity (RH) is calculated as the ratio of actual water vapor pressure to saturation vapor pressure at the same temperature, expressed as a percentage. This article covers three calculation methods: the Magnus saturation vapor pressure approach, the dew...
Testing indoor air quality (IAQ) in a commercial building requires a systematic process: identify which air pollutants are present, select the appropriate measurement method for each, and interpret results against established regulatory thresholds to determine...
