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How to Choose a Home Security System (2021)

There are many factors to consider when choosing a security system for your home, from installation to monitoring and more. Read our guide below to find out all you need to know.

How to Increase Garage Door Security

Protect your home and everything inside with these simple tips to help make your garage, an easy entry point for burglars, more secure.

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How to Install a Fire Sprinkler System

In this instructional video, This Old House plumbing and heating contractor Richard Trethewey describes how an in-home sprinkler system works

How to Rekey a Lock

To improve your home’s security, you’ll want to change your locks or rekey them. Learn the best time to do either, and how to rekey a lock.

Asbestos in the Home: How to Identify, Test and Remove It

Do you have asbestos in your house? Discover what it is, if you’ve been exposed, how to test for it and the best methods for removal.

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How to Build a Storm Shelter

This Old House plumbing and heating expert Richard Trethewey shows how to pour a massive concrete storm shelter. Read on to also learn more about design considerations and guidelines to keep you safe from the storm.

View of palm trees blowing in the wind outside the window.
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How to Choose Hurricane Window Covers

This Old House general contractor Tom Silva shows a homeowner several ways to protect windows during a storm.

Home Fire Extinguishers: Know the Different Types

Learn about fire extinguisher the different sizes, classes, and how to use them in your home.

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How to Monitor a Home with a Smart Phone

In this edition of DIY Smarts, Ask This Old House host Kevin O’Connor shows general contractor Tom Silva a new home monitoring device that works with a smart phone.

How to Get Rid of Mold

Tips to help you clean up smartly and safely

How to Create a Drainage Swale

The plant-populated channels can redirect storm water to specific locations

How to Stop Garage Break-Ins

From a burglar’s point of view, an attached garage can mean access to the entire house, even if an automatic door operator keeps it locked up tight. A whole-house security system is your best safeguard, but these DIY moves can also help defeat intruders at this potential entry point

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How to Install Your Own Security System

Ask This Old House host Kevin O'Connor helps a homeowner install a wireless alarm system.

How to Safely Get Rid of Unwanted Household Items

How to toss or recycle household materials in need of special treatment. Note: Be sure to check your local laws before proceeding

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How to Add Childproofing to a Home

Ask This Old House Host Kevin O'Connor shows a new mom a few tips to keep her baby safe around the house by using cabinet locks, a baby gate, outlet covers, and securing a television

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How to Install a Motion-Activated Security Light

Ask This Old House Master Electrician Scott Caron installs a light above a garage to illuminate a dark driveway

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How to Choose and Use Hearing Protection

This Old House host Kevin O'Connor shares some tips on how to properly use hearing protection

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How to Install an Electronic Air Cleaner

Improving indoor air quality with This Old House plumbing and heating expert Richard Trethewey

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How to Clean Up Attic Mold

This Old House general contractor Tom Silva shows a professional approach to eliminating dangerous fungus outbreaks in the home

Discover Your Home's Top 10 Danger Zones

Watch these common problem areas to help prevent costly household disasters

How to Handle Household Products Safely

Learn the best way to reduce your use of certain household products, as well as the proper way to dispose of those you no longer need

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How to Choose and Use Safety Gear

This Old House host Kevin O'Connor and plumbing and heating contractor Richard Trethewey discuss various types of DIY safety gear

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How to Remove a Dangerous Tree

This Old House landscape contractor Roger Cook and arborist Matt Foti remove a badly decayed tree.

9 Highly Toxic Old Household Products

If it's been a while since you cleaned out the basement or shed, watch out for these dangerous household chemicals hiding on the back shelves

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How to Install a Vintage Lockset

This Old House general contractor Tom Silva shares his tricks of the trade for installing a mortised lockset

Child Safety in the Home

Thousands of kids go to emergency rooms every year as a result of preventable, accidental injuries. Here's how you can lower your youngster's chances of being one of them

Fire Pit Safety: 4 Tips to Consider

Are outdoor fire pits safe? They absolutely can be with these safety tips.

How to Stop Break-Ins

Discover your home's vulnerable spots before you go away on vacation, and learn how to prevent burglaries for less than $250

Keep Mold From Taking Hold

Mold spores are a problem anywhere it's humid, but in post-Katrina New Orleans, the scourge was hard to beat; here's how the owner of the TOH TV NOLA project did it

How to Install a Wall Safe

Safeguard your valuables in 4 easy steps

What You Need to Know About Lead

Learn more about this potentially deadly substance

Workshop Safety for Kids

12 tips for making sure your pint-sized DIYer is protected