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How to Know When It’s Time to Replace Your Windows: 10 Warning Signs

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Introduction

Old or faulty windows can lead to energy loss, safety issues, and home discomfort. How do you know when it’s time to replace them? Let’s look at the top 10 signs:

A close-up of a damaged window, showing heavy condensation between the panes, a warped frame, and a broken locking mechanism.

1. Drafts or Cold Spots

If you feel a breeze near closed windows, your seals have likely failed.

2. Rising Energy Bills

Leaky windows force your HVAC to work harder, increasing costs.

3. Condensation Between Panes

Moisture inside the glass usually means seal failure.

4. Difficult to Open or Close

Warped frames or broken mechanisms can cause this issue.

5. Outside Noise

If your home isn’t quiet, poor insulation might be to blame.

6. Cracked or Broken Glass

Obvious safety hazard—should be replaced immediately.

7. Rotted or Warped Frames

Wooden window frames deteriorate over time when exposed to moisture.

8. Faded Interiors

Old windows may not block harmful UV rays that damage furniture and floors.

9. Poor Curb Appeal

Foggy, cracked, or mismatched windows lower your home’s appearance.

10. Age Over 20 Years

If your windows are more than two decades old, they’re likely inefficient.

Why It Matters in Chicago

With intense seasonal changes, poor windows mean lost heat in winter and excess heat in summer. You’ll notice the difference in comfort and costs.

Replace for Efficiency, Safety & Style

Modern windows are better insulated, easier to use, and add value to your home.

Reliable Window Replacement in Chicago

Midwest Windows, Siding & Doors specializes in efficient, long-lasting replacement windows. We proudly serve Greater Chicago homeowners with quality products, honest prices, and expert installations.

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