Why Are My Windows Foggy?
By: Architectural Visions
If you find that your windows are becoming cloudy or foggy, this is a common issue many homeowners face. However, foggy windows are typically a sign of a problem with the window. Common causes of foggy windows include a broken seal, exposure to moisture or excessive heat. While there are ways to temporarily solve issues associated with foggy windows, the most reliable fix is to replace the window entirely. If you are experiencing foggy windows in your home, below highlights some insight into the common causes and the best ways to repair your windows.
Key takeaways for foggy windows:
- A broken seal, exposure to moisture and excessive heat are some of the top contributors to foggy windows.
- While there are ways to temporarily solve issues associated with foggy windows, the most reliable fix is to replace the window entirely.
- Replacing the seal is an excellent first step. However, if the windows remain foggy, it’s best to replace the window entirely.
- Remember to check your window’s existing warranty before you replace them — many windows come with a warranty.
Common causes of foggy windows
Window fog or condensation occurs when warm air reaches a cold surface. The first place you’ll likely see condensation is on windows, as they are probably the coldest surfaces in your home. If your home’s windows are repeatedly fogging up, several common causes can help you identify the source of the condensation. These sources include:
If moisture appears between the panes of glass, it may mean there is a broken seal and the windows no longer have the insulating gas.
Exposure to moisture
If the windows fog up during a rainstorm, there may be damage to the window sealant. You can identify this if there is also condensation or water buildup around the edge of the window during a rainstorm. Discoloration on the sealant is another way to identify this as the cause.
Warm air expands, so the air inside a double pane window could stretch the window seals, deteriorating them over time. Additionally, exposure to direct sunlight could deteriorate your window seals over time. Further, when it’s hot outside and you turn on the air conditioning, the temperature difference may cause your windows to become foggy. To reduce this condensation, you can try to match the inside and outside temperatures as close as possible.
Cracked caulk can also let moisture in, causing the windows to become foggy. As a temporary solution, you can re-caulk the window to see if the windows stop clouding up.
Wear and tear
If your windows are several decades old, you may notice fog in the double pane windows that won’t wipe off. This is because the seal may not withstand the window opening and closing anymore or may not be able to stand up to harsh summer and winter temperatures and weather elements.
While there are ways to temporarily solve issues associated with foggy windows, the most reliable fix is to replace the window entirely. Replacing the window will repair the seal, give you an adequately measured window and fit the space. If you have foggy double pane or triple pane windows, you can replace the seal as a first step. If the windows remain foggy, it’s best to replace the window entirely.
Before replacing the window, it’s essential to check the warranty on your current windows. Many windows come with a warranty that may include a new replacement or repair.
How to prevent your windows from fogging
If you’ve replaced your windows, there are several ways to ensure they won’t fog up. These ways include:
- Install energy-efficient windows, which should last for decades.
- Hire a professional to install the windows correctly. Improper installation could result in the window seal failing to do its job correctly.
- Inspect the windows regularly. Examining the windows, sash and seals every few months can help you identify any signs of damage that could result in moisture entering the window.
- Ensure proper ventilation. Adequate air circulation throughout the home will prevent warm air from sticking to the windows. Using a dehumidifier will also help remove moisture from the air.
AVI Windows & Doors
Turn to a professional to help you replace your windows by contacting the experts at AVI. AVI is your one-stop shop for all types of windows, with in-person and online service options. Please don’t hesitate to contact us online or come by one of our Southeast locations and let us help you!