An older window with condensation that needs to be cleaned

How Do You Clean Double-Pane Windows 

7 minutes

Are your double-pane windows looking dirty or hazy? Cleaning them properly can help restore their clarity and improve the overall appearance of your home. In this guide, we will walk you through the step-by-step process of cleaning double-pane windows effectively. 

Understanding Double-Pane Windows 

Double-pane windows, also known as insulated or thermal windows, are designed to provide superior insulation and energy efficiency for your home. These windows consist of two glass panes separated by a small space filled with air or gas, creating an insulating barrier between the indoor and outdoor environments. 

So, how do double-pane windows work? The trapped air or gas between the panes acts as an insulating layer, reducing heat transfer and preventing drafts. This extra layer helps keep your home warmer in the winter and cooler in the summer, resulting in improved energy efficiency and potential savings on your heating and cooling bills. 

The benefits of double-pane windows are numerous. Firstly, they offer enhanced thermal insulation, reducing energy loss and maintaining a comfortable indoor temperature year-round. Secondly, these windows effectively reduce noise transmission from outside, creating a quieter living environment. Additionally, double-pane windows provide improved security as they are more difficult to break than single pane windows. 

However, like any other type of window, double-pane windows may encounter issues over time. The seal between the glass panes may deteriorate, allowing moisture to penetrate and create condensation or fogging between the panes, affecting the appearance and visibility of your windows.  

Preventive Maintenance for Double-pane Windows 

Proper maintenance is essential for keeping your double-pane windows in top condition. By following a few simple preventive measures, you can protect the seal and insulation quality, prevent window condensation, and maintain the clarity of your double-pane windows. 

To protect the seal and insulation quality of your double-pane windows, regularly inspect the window frames and seals for cracks, gaps, or any deterioration. Address any issues promptly to prevent further damage. Avoid using harsh chemicals or abrasive materials when cleaning your windows, as these can damage the seal or scratch the glass. Stick to mild, non-abrasive cleaners and use a soft cloth or sponge for cleaning. 

Condensation can be a common issue with double-pane windows, especially in areas with high humidity. To prevent condensation, ensure proper ventilation in your home by opening windows or using exhaust fans when necessary. Maintaining a consistent indoor temperature can also help, as drastic temperature differences between the inside and outside can contribute to condensation. If condensation does occur, wipe it away promptly to prevent moisture buildup and potential damage to the window frames or surrounding areas. 

Cleaning Techniques for Double-pane Windows 

When it comes to cleaning double-pane windows, it is important to follow the right techniques to ensure a streak-free and damage-free finish. Here are some best practices to keep in mind: 

Best Practices For Cleaning Glass

Start by removing any loose dirt or debris from the window surface using a soft brush or vacuum cleaner. Avoid using abrasive materials or sharp tools that can scratch the glass. For regular cleaning, mix a solution of mild dish soap and warm water. Dampen a soft, lint-free cloth or sponge in the solution and gently wipe the glass in a circular motion. Rinse with clean water and dry the glass using a microfiber cloth or squeegee to prevent streaks. 

Choosing The Right Cleaning Solutions 

It is crucial to use the right cleaning solutions to avoid damaging the glass or window frame. Avoid harsh chemicals, ammonia-based cleaners, or abrasive substances as they can cause etching or discoloration. Instead, opt for non-abrasive, glass-friendly cleaners specifically designed for double-pane windows. Always read and follow the manufacturer’s instructions before using any cleaning products. 

Avoiding Damage to The Window Seals 

Double-pane windows have a seal between the glass panes that helps with insulation. To prevent damage to the seals, avoid using excessive force or pressure while cleaning. Be gentle when wiping around the edges and avoid inserting sharp objects or scraping tools into the window gaps.  

How to Clean Cloudy Double Pane Windows

Foggy or hazy windows occur when condensation builds up between the glass panes, resulting in a cloudy appearance that can obstruct your view. 

There are several common causes of foggy or hazy windows. One main cause is a broken seal or failure of the window’s sealant. When the seal is compromised, moisture can enter between the panes, causing condensation and fogging. Another cause can be excessive humidity levels within your home, which can contribute to condensation buildup on the windows. 

To clean foggy windows from the inside, you can try a few methods. Start by wiping down the interior surface of the glass with a microfiber cloth or sponge to remove any loose debris. Then, create a cleaning solution by mixing equal parts vinegar and water. Apply the solution to the glass using a spray bottle or a clean cloth, and gently wipe away the foggy residue. For stubborn buildup, you can also use a non-abrasive glass cleaner. Avoid using harsh chemicals or abrasive materials, as these can damage the glass or the window frame. 

To prevent the need for glass replacement, there are a few measures you can take. First, ensure that your home is properly ventilated to reduce humidity levels. Use exhaust fans in kitchens and bathrooms, and open windows when the weather permits. Additionally, consider using a dehumidifier to regulate indoor humidity. Regularly inspect and maintain your windows, checking for any signs of seal failure or damage. Promptly address any issues to prevent further moisture infiltration. 

Remember, if your double-pane windows continue to appear foggy or hazy even after cleaning or resealing a window, it may be a sign of more considerable damage that requires professional window replacement.  

FAQ’s: Cleaning Double-pane Windows 

Here are some frequently asked questions related to cleaning double-pane windows: 

Can you clean the inside of double-pane windows? 

Unfortunately, cleaning the inside of double-pane windows is not recommended. The space between the two glass panes is sealed and filled with insulating gas, which helps with insulation. Opening the window or attempting to clean the inside can compromise the seal and lead to moisture or condensation buildup. It is best to focus on cleaning the exterior surface of double-pane windows. 

Is there a way to fix cloudy double-pane windows? 

Cloudy or foggy double-pane windows occur when the seal between the glass panes fails, allowing moisture to enter. This can be an indication of a damaged or worn-out window. In most cases, the best solution is to replace the entire window to restore clarity and functionality. 

Can you remove moisture between double-pane windows? 

Moisture between double-pane windows is a sign that the seal has failed, allowing condensation to form. Unfortunately, there is no effective way to remove the moisture or repair the seal without professional assistance. Contact a reputable window specialist to evaluate the situation and provide appropriate solutions. 

Can you pressure wash double-pane windows? 

Pressure washing is not recommended for cleaning double-pane windows. The high-pressure water can damage the window seal, leading to potential leaks or other issues. Instead, opt for a gentle cleaning solution, warm water, and a soft cloth or sponge to safely clean the exterior surface of your double-pane windows. 

Contact DaBella for Your Next Window Replacement 

When it comes to window replacement, DaBella is here to provide you with top-quality solutions. We offer our proprietary brand of Glasswing vinyl windows, which are available in both double-pane and triple-pane options. Our replacement windows are designed with reinforced seals to ensure optimal performance and durability.  

One of the key features of our Glasswing vinyl windows is the protective Ocular screen bulb seal. This seal creates a tight fit, preventing any light penetration between the window frame and screen. Additionally, it effectively blocks insect access, keeping your home bug-free. The compression bulb design also allows for easier installation and removal of the extruded aluminum screen. 

When you choose DaBella for your window replacement needs, you can trust that you are getting high-quality products that are built to last. Our vinyl replacement windows with reinforced seals not only enhance the energy efficiency of your home but also provide superior durability and security. 

Whether you are looking to replace your existing windows or upgrade to more efficient options, DaBella has the expertise and products to meet your needs. Contact us today at 844-DaBella to schedule a consultation and discuss your window replacement project. Our team of professionals will guide you through the process and help you make the best choices for your home. 

Steven Shortridge

District Manager

Portland, OR

Learn more about Steven