Key Indicators of Drafty Windows

Are you feeling a draft every time you pass by your windows? This could indicate that your windows may not be tightly sealed. Detecting drafty windows is crucial not just for your comfort but for your home’s energy efficiency too. Here are common signs to watch out for.

High Energy Bills

If your heating or cooling bills have been inexplicably high, it might be due to drafty windows. Drafts cause your HVAC system to work harder, resulting in higher energy consumption and more expensive bills.

Cold Spots 

A common sign of drafts is an unexpected cold spot, especially near windows. If you notice this frequently in your house, it’s a clear sign that air might be leaking through your windows.

Uneven Temperatures

If some rooms in your home are colder than others for no apparent reason, it might be because of drafty windows. Uneven temperatures could mean air is escaping from certain windows, leading to temperature variations.


Another indication of drafty windows is condensation between the glass panes. Warm air condensing on a cold window can also cause a moisture buildup.

Cracks or Gaps  

Inspect your windows for cracks or gaps around the frames, both inside and out. These can often be sources of drafts.

Difficulty Opening/Closing Windows

Windows that have been warped over time might not close or open easily. Difficulty in opening or closing your windows could be a sign of drafts.

Faded Furniture

If your furniture, carpet, or curtains are fading, it might be due to excessive sunlight coming through your windows. This can be a sign of poor window insulation and possible drafts.

Address Drafty Windows Promptly

If you notice any of these indicators, it’s essential to address them promptly. Simple solutions, such as caulking, weatherstripping, or adding window insulation, can help mitigate drafts and create a more comfortable living environment.

Although some problems can be solved with DIY solutions, hiring professional services is often recommended for long-lasting and reliable results. Professionals thoroughly inspect your windows, pinpointing the exact sources of drafts and recommending the most effective solutions tailored to your specific situation. They have the necessary tools and skills to safely and efficiently repair or replace windows, ensuring the best performance and longevity.

Moreover, hiring professionals often comes with product and labor warranties, ensuring your investment is protected and you receive follow-up support for any issues.

We Can Help!

Renewal by Andersen® can address drafty windows with comprehensive and effective solutions. We also specialize in door replacements, specifically gliding patio doors and hinged patio doors. Call us at (206) 775-7533 or visit our contact page to schedule a consultation.

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