External Condensation. From time to time, we receive enquiries about the appearance of external condensation on glass. Regardless of the window manufacturer or whether the window is made of wood, vinyl or aluminum, humidity will condense on any window if conditions are right. What Is Causing Condensation on Windows? The only type of condensation which isn’t a warning sign for having crooked windows is exterior or the one that appears on the outside of windows. The worst-case scenario for condensation in your car has to do with your heater core. In summary, condensation occurs when a surface falls below the dew point temperature of the air. Condensation occurs when warm air hits a cold surface (the window). There are no risks for your windows, or your health for that matter. Window condensation makes it difficult to see outside your windows. Condensation forms on an object when that objects surface temperature goes below the dew point. In fact, this type can be a sign for the totally opposite situation – having windows … Think about taking a cold drink out of your fridge on a warm day. Because it is caused by excessive moisture and humidity in your home, prolonged condensation can create wood rot, damage drywall and cause mold and mildew to grow on everything in your house. Condensation happens when water from a cold surface comes in contact with humid air. In order to raise the temperature of your windows, you can raise the temperature of the house slightly. When the air is cooler inside your home, it makes the surface of the glass cooler than the dew point. Consider condensation as a symptom and not a cause of home humidity being too high, so, if there’s condensation happening on windows, the first step we’d suggest is to get hold of a hygrometer or humidity meter or monitor to test the level of relative humidity in the home – because ironically the higher performance the home gets, with air barriers and better windows and doors, the … Therefore, the issue occurs in damp and humid environments. The surface of the can immediately gets wet. This reverse condensation usually happens when it is hot and humid outside. It is not unusual to have condensation on the outside of new energy efficient windows; in fact, it’s perfectly normal. It also dulls the light that streams in from outside. The outside glass in an energy efficient window will be closer to the outside temperature, and the inside glass will be closer to the inside temperature. Exterior (Outside) Condensation. This is a naturally occurring phenomenon which is more prevalent the more highly insulating your windows are and is not a fault in the glass or window. If there are leaks in the core, small amounts of warm coolant can make their way into the cabin, or even blow up onto the glass itself, creating condensation. Winter condensation, on the other hand, can be destructive. Plants can increase the chance of having reverse condensation. Condensation on outside of windows in summer is mostly visual. • Condensation can also form on the outside of your windows. Inside condensation eventually results in a mould, which is a health issue by itself. It may seem like a strange phenomenon, but once you understand what’s going on it makes total sense! Window condensation is simply the result of excess humidity, and the glass only provides a visible cool surface on which humidity can condense. Weatherize your windows. Condensation can form in both hot and cold weather. Heater Core Blues. Whether or not you found a bad seal, preventing condensation on windows starts with good insulation. So, if you want to get rid of fogginess on your windows, you need to lower the level of humidity in your home.