Window Maintenance

Our window maintenance tips can help you keep your home cost efficient, safe & cozy.

Foggy window of a sunroom

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How to Repair Fogged Windows in Your Home

No one likes looking at foggy, milky windows. Whether it’s active moisture between the panes or the residue left behind from the latest flare-up, fogged windows not only detract from your home’s curb appeal, but they could even be an indication of an energy-efficiency problem. Luckily, you don’t have to live with murky windows. They’re totally fixable, and here is how you can bring your windows back from the mist.
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The 5 Best Window Cleaners (2024 Review)

A specialized cleaner can remove dirt and grime from your windows. Here are the top window cleaners available on Amazon.
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The 5 Best Glass Cleaners (2024 Review)

Remove dirt and grime from any glass surface with a high-quality cleaner. In this review, the This Old House Reviews Team researched the five best glass cleaners on Amazon to help you find the product that’s right for you. The products included in this article are available at various home improvement stores, local home centers, and online retailers like Amazon.
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How To Prevent Condensation on Windows

Window condensation is an ideal breeding ground for mold and mildew. Our guide shows you how to prevent condensation on windows.

5 Easy Ways to Remove Scratches from a Glass Window

Dealing with scratches on your glass windows? We’ve rounded up 5 methods for removing scratches from glass quickly and easily. Read this guide to learn more.
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Easy Fixes for Drafty Windows and Doors

Read these 8 things you can do yourself to keep warm inside your home.
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How To Replace a Broken Windowpane

From preparation to finish-out, This Old House general contractor, Tom Silva, shows us how to replace a broken window pane.
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How To Identify and Repair Damaged Window Sash Cords

A damaged window sash cord can make opening and closing windows a pain. Read our guide to learn how to repair these features and restore smooth operation.
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How To Repair a Window Muntin: A Step-by-Step Guide

Muntins are the plastic or wooden dividers between window panes. This step by step guide goes over how you can repair window muntins.
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How To Replace Antique Window Sash Balancers

Ask This Old House general contractor Tom Silva helps a homeowner give his antique window a lift by installing new sash balancers.
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How To Repair Stuck Sash Windows

This Old House general contractor Tom Silva demonstrates how to free a painted-shut window, allowing you to use it once again.
Clean window looks from inside a home out to a backyard.

How to Clean Windows Like a Pro

Learn how to clean your windows like the pros. Follow our simple DIY window cleaning tips for streak-free glass.
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Filling Rotted Trim with Two-Part Epoxy

Durable and flexible epoxy is the best way to restore crumbling woodwork
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Everything You Need to Know to Repair Sash Windows

Get expert tips and step-by-step instructions for how to repair sash windows in your home. See how to fix common sash issues.
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How to Repair Exterior Shutters

In this video, This Old House general contractor Tom Silva breathes new life into an old, broken window shutter. Follow along to learn how.
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How to Replace a Basement Window

In this how-to video, This Old House general contractor Tom Silva puts in a new basement window
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Pro Guide to Windows: Dos and Don'ts For Your Home

Discover lessons for installing new windows or maintaining old ones, including tips on material selection, energy efficiency, and weatherproofing.
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How To Cut Glass

Cutting glass doesn't have to be intimidating. Follow this easy, step-by-step guide to complete any glass project safely and easily.
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Pro Window Painting Secret

How the pros manage to paint windows without making a mess of the glass
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Fast Fix for a Stubborn Sash

Frustrated by a sticky double-hung window? Here's an easy way to fix it.