The dew point is the temperature at which air becomes saturated and water vapor condenses into liquid. It’s a direct measure of moisture in the air—higher dew points feel muggy, while lower dew points feel dry. HVAC systems manage dew point to control humidity and prevent condensation.
/djuː pɔɪnt/
The dew point is the temperature at which air becomes saturated and water vapor condenses into liquid. It’s a direct measure of moisture in the air—higher dew points feel muggy, while lower dew points feel dry. HVAC systems manage dew point to control humidity and prevent condensation.
What is dew point in HVAC?
It’s the temperature where air becomes saturated and moisture condenses, used to gauge indoor humidity and comfort.
Source: The Cooling Company
Dew point tracks moisture more accurately than relative humidity.
On humid days, air conditioning lowers indoor dew point to reduce stickiness, prevent window condensation, and improve comfort.
Track dew point (not just relative humidity) for a clearer sense of comfort and moisture control.
“Track dew point (not just relative humidity) for a clearer sense of comfort and moisture control.”
Weather forecasts use dew point to predict fog, precipitation, and heat index levels.
Is dew point the same as relative humidity?
No. Dew point measures moisture directly, while relative humidity changes with temperature.
What dew point feels comfortable indoors?
Most people feel comfortable when dew point is around 50–60°F.
Can HVAC systems control dew point?
Yes. Proper cooling and dehumidification lower indoor dew point.
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