Water Condensation Temperature Calculator

The condensation temperature of water depends on pressure. At standard atmospheric pressure (101.3 kPa or 1 atm), water condenses at 100°C (212°F). As pressure decreases, the condensation temperature decreases, and at lower pressures, it can be below freezing, making water turn into ice upon condensation.

Here is a table listing the condensation temperature of water at various pressures:

Pressure (kPa)	Pressure (psi)	Condensation Temperature (°C)	Condensation Temperature (°F)
0	0	-88.5	-127.3
1	0.145	0.0	32.0
10	1.45	8.2	46.8
20	2.9	16.7	62.1
30	4.35	24.0	75.2
40	5.8	30.9	87.6
50	7.25	37.6	99.7
60	8.7	44.2	111.6
70	10.15	50.7	123.3
80	11.6	57.0	134.6
90	13.05	63.3	145.9
100	14.5	69.5	160.1

This table shows the condensation temperature of water at various pressures, ranging from 0 kPa (vacuum) to 100 kPa (approximately atmospheric pressure). The values are given in both degrees Celsius and degrees Fahrenheit for reference.

FAQs

How do you calculate condensation temperature? Condensation temperature depends on the substance and its pressure. It occurs when the temperature of a substance decreases to the point where its vapor turns into a liquid. The specific calculation may involve complex thermodynamic equations and typically requires knowledge of the substance’s properties and the surrounding conditions.

How much temperature difference causes condensation? The temperature difference required for condensation to occur varies depending on humidity levels, air pressure, and the surface in question. In general, when warm, moist air comes into contact with a cooler surface, condensation may happen.

How do you calculate moisture from temperature? There isn’t a simple direct calculation to determine moisture content solely based on temperature. Moisture content is typically measured as relative humidity, which depends on both temperature and the amount of water vapor present in the air. You would need additional information, such as dew point or specific humidity, to calculate moisture accurately.

What temperature is related to condensation? Condensation occurs when the temperature of a surface or air mass is lower than the dew point temperature of the surrounding air. It’s not related to a single fixed temperature but rather a comparison between surface/air temperature and dew point.

What is the boiling point condensation temperature of water? The boiling point of water at standard atmospheric pressure (1 atm or 101.3 kPa) is approximately 100°C (212°F). Condensation occurs when water vapor cools below this temperature.

Is condensation point equal to boiling point? No, the condensation point and boiling point are not the same. The boiling point is the temperature at which a substance changes from a liquid to a vapor, while condensation occurs when a vapor changes back into a liquid due to cooling.

What temperature should my house be to stop condensation? To prevent condensation indoors, you typically want to maintain a temperature inside your home that is warmer than the dew point temperature of the indoor air. This often means keeping your house comfortably warm and well-ventilated.

Does higher temperature mean more condensation? Not necessarily. Higher temperatures can hold more moisture, but if the relative humidity is low, there may still be minimal condensation. Condensation occurs when warm, moist air comes into contact with cooler surfaces or air, causing the moisture to condense.

What is the ideal room temperature to prevent condensation? There isn’t a specific ideal temperature, as it depends on various factors like indoor humidity levels, outdoor conditions, and insulation. Generally, keeping your indoor temperature comfortably warm while ensuring good ventilation can help prevent condensation.

What is the humidity at 25°C? The humidity at 25°C depends on the specific conditions and location. Relative humidity can vary widely, but it’s typically comfortable for most people between 30% and 60% at this temperature.

What is the relative humidity at 20 degrees Celsius? Relative humidity at 20°C can also vary, but a comfortable indoor range is usually between 40% and 60% RH.

Does low temperature cause condensation? Yes, low temperatures can cause condensation when warm, moist air comes into contact with cooler surfaces or air. The moisture in the air condenses into liquid form on the cooler surface.

Does the temperature of water increase or decrease during condensation? During condensation, the temperature of water vapor decreases. It changes from a higher-energy vapor state to a lower-energy liquid state, releasing heat in the process.

What temperature does water turn into water vapor? Water turns into water vapor at its boiling point, which is 100°C (212°F) at standard atmospheric pressure.

At what pressure does water condense? Water condenses at its boiling point temperature when the pressure is equal to or higher than the vapor pressure of water at that temperature. For example, at standard atmospheric pressure (101.3 kPa or 1 atm), water condenses at 100°C.

What is the relationship between boiling and condensation? Boiling is the process where a liquid changes into vapor (gas) at its boiling point, while condensation is the reverse process where vapor changes back into a liquid upon cooling.

Is melting point and condensation point the same? No, melting point and condensation point are not the same. Melting point is the temperature at which a substance changes from a solid to a liquid, while condensation point is the temperature at which a vapor changes into a liquid due to cooling.

Is condensation the reverse of boiling? Yes, condensation is the reverse process of boiling. Boiling involves the transition from liquid to vapor, while condensation involves the transition from vapor to liquid.

Does turning the heating on stop condensation? Turning on heating can help reduce condensation by raising indoor temperatures and increasing the temperature of surfaces, making them less likely to cool below the dew point. Adequate ventilation is also essential to prevent excess moisture buildup.

Does keeping heating on low stop condensation? Keeping heating on low can help maintain a stable indoor temperature and reduce temperature fluctuations that may lead to condensation. However, it may not be as effective as maintaining a higher indoor temperature.

Does a warm room reduce condensation? Yes, a warm room can reduce condensation because warmer air can hold more moisture, reducing the likelihood of moisture condensing on surfaces. Proper ventilation is still important to prevent excess humidity buildup.

How do you stop condensation on windows overnight? To reduce condensation on windows overnight, you can try increasing indoor ventilation, using a dehumidifier, or insulating your windows to keep the glass warmer. Additionally, consider using window treatments like thermal curtains to reduce heat transfer.

How do I stop condensation in my bedroom? To prevent condensation in your bedroom, ensure good ventilation, maintain a consistent indoor temperature, use a dehumidifier if needed, and insulate windows and walls to reduce temperature differences.

Why are my windows covered in condensation? Windows are often covered in condensation when warm indoor air comes into contact with the cooler surface of the window glass. This occurs when indoor humidity is high and the window surface is colder than the dew point temperature of the indoor air.

Does a cold house make condensation worse? Yes, a cold house can make condensation worse because the temperature difference between the indoor air and cold surfaces like walls and windows is more significant, increasing the likelihood of condensation.

Does a cold room cause condensation? Yes, a cold room can cause condensation if there is warm, humid air entering the room or if the room’s surfaces are colder than the dew point temperature of the air inside.

At what temperature does a house get damp? A house may start to feel damp when the indoor relative humidity is consistently high, typically above 60-70% RH. The exact temperature at which this occurs can vary depending on climate and insulation.

How do you convert moisture to water? To convert moisture to water, you need to cool the air containing moisture below its dew point temperature. When this happens, the moisture in the air condenses into water droplets.

What is water moisture equivalent? Water moisture equivalent is a measure of the amount of water contained in a substance, such as soil, expressed as a depth in millimeters or inches. It indicates how much water is present in the substance, similar to the concept of soil moisture content.

How do you calculate moisture meter? A moisture meter is a device used to measure the moisture content in a material like wood or soil. It typically operates based on electrical conductivity or capacitance changes, and the specific calculation depends on the type and design of the moisture meter.

How much water is 100% humidity? At 100% humidity, the air is saturated with moisture, meaning it holds the maximum amount of water vapor it can at a given temperature. The amount of water can vary greatly with temperature, but it is essentially the point at which the air cannot hold any more moisture without condensing.

What temperature is 50% humidity? The specific temperature at which 50% humidity occurs depends on the conditions, but as a rough estimate, it might be around 20-25°C (68-77°F) at moderate atmospheric pressure.

Is 50% humidity too high? A humidity level of 50% is generally considered comfortable for most people. However, whether it’s too high or not depends on personal preference and specific circumstances. In some cases, higher humidity levels may lead to discomfort or mold growth.

What humidity is uncomfortable? Humidity levels above 60-70% can often feel uncomfortable for many people, as the air may feel sticky and oppressive. However, discomfort can vary depending on individual preferences and acclimatization.

Is 30% humidity hot? 30% humidity is not typically considered hot. Hot conditions are usually associated with higher temperatures and lower humidity levels. However, what is considered hot can vary depending on individual tolerance and local climate.

At what temperature does humidity reach 100%? The temperature at which humidity reaches 100% is called the dew point temperature. It varies depending on the moisture content of the air, but it is the temperature at which air becomes saturated, and condensation begins.

Does opening windows increase humidity in winter? Opening windows in the winter can increase humidity if the outdoor air is more humid than the indoor air. However, if the outdoor air is dry, it can reduce indoor humidity by allowing the dry air to enter.

How to reduce condensation? To reduce condensation, you can:

1. Maintain a consistent indoor temperature.
2. Improve ventilation to allow moisture to escape.
3. Use a dehumidifier to lower indoor humidity levels.
4. Insulate windows and surfaces to minimize temperature differences.
5. Ensure proper ventilation in high-moisture areas like bathrooms and kitchens.
6. Use exhaust fans when cooking or showering to expel moisture.
7. Use moisture-absorbing products like desiccants in problem areas.
8. Seal gaps and cracks to prevent outdoor air from entering and cooling surfaces.

How do you stop condensation in the winter? To prevent condensation in the winter, follow the same general principles mentioned earlier, such as maintaining consistent indoor temperature, improving ventilation, and using insulation. Additionally, you can consider using storm windows or window film to reduce heat loss and minimize temperature differences.

How do you increase condensation? To increase condensation, you would need to create conditions where warm, moist air comes into contact with a cooler surface or air. This can be achieved by cooling the air or providing a surface that is colder than the dew point temperature.

What happens to water at 0 degrees Celsius? At 0 degrees Celsius (32°F), water freezes and changes from a liquid to a solid state.

What is the temperature of boiling water after 10 minutes? The temperature of boiling water remains relatively constant at 100°C (212°F) at standard atmospheric pressure, regardless of the duration of boiling. Additional heating will not significantly increase the temperature beyond this point.

Where does most condensation occur? Condensation can occur on any surface where warm, moist air meets cooler temperatures. Common places for condensation include windows, mirrors, cold walls, and pipes.