Condensation in Summer

During the bright summer season, outdoor air is typically very humid while indoor temperatures are kept relatively cool. Condensation occurs when moisture-filled air comes in contact with cold surfaces, such as window panes and around the external door, and releases water which ends up collecting as droplets. 

Condensation on Windows

Condensation on windows during the summer is mostly a visual issue and does not necessarily indicate a problem with weatherstripping or the window seal. Moreover, a splash of extra water drops on the outside surface of a window replacement unit is not detrimental since it already often gets wet from rainfall. As outdoor temperatures rise, the condensation should disappear soon after.

Role of Low-E Coating

If the indoor temperature is below the outdoor temperature, the low-E coating on a window will allow the temperature of the outside glass to drop. On the other hand, if the outdoor temperature is colder than the indoor temperature, the low-E coating will allow the external glass to get colder. All of these mean that windows with Low-E coatings tend to develop more condensation than inefficient windows. This proves that your windows are energy-efficient and performing according to its function.  

Planning to give your exterior home an upgrade? Turn to Renewal by Andersen® of Alaska for a smooth and stress-free experience! Our team offers professional sliding patio doors and replacement windows services to residential clients in and around Anchorage, AK. To set an appointment, give us a call or fill out our contact form. 

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