Best Home Security Window Locks

Not recommended to secure sliding windows

Windows are the second most used entry point of burglars to get into your home. Burglars will try to get in through a door or window stealthily to steal your belongings or worse without meeting any resistance. Unfortunately, windows are difficult to secure especially if you live in a an older home. But if you have home security window locks on your windows they will give you an extra level of security even if the existing lock is weak or broken.

There is a lot of information on this website about how to protect against home invasions but those won’t occur through a window. By definition, home invasions forcefully attempt to get into your home. They bust down the door in minutes. Or try to get you to crack your door for a “salesman” or “package delivery” so they can force their way in.

Burglars don’t do that. They try to find a weak point in your house and use that to gain entry. A house I used to live in had windows that all it would take is a flathead screwdriver to get between the window and the frame to unlock the window. The screwdriver could literally pop the lock with very little damage or noise and allow entry. The type I am referring to is in the image to the right.

If you have a security system like Frontpoint or SimpliSafe, use the door and window entry sensors and glass break sensors that come with those kits. They will help alert you of intruders coming in through your windows. But they won’t stop them from opening the windows in the first place.

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Burglabar 2 Pack - Great for Sliding Patio Door Lock, (Use 2 for doors), Sliding Window Lock,...
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$11.95
4 Sets Sliding Window Locks, Security Window Lock Aluminum With Key, Window Stoppers for Vertical &...
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$12.99
1 X Lot of 4 Pcs Sliding Window Lock (12 Pack)
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eSynic 2Pcs Sliding Door and Window Lock Sliding Patio Door Catches Set Window Bolt Sliding Security...
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Ideal Security BK112W Window Security Bar with Child-Proof Lock, Adjustable, 10.6 to 16.625 inches,...
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Last update on 2021-09-06 / Affiliate links / Images from Amazon Product Advertising API

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The Biggest Benefit of these Home Security Window Locks

The biggest benefit, in my opinion, of these home security window locks is they allow for adjustability for locking. I know from having lived in the north that most older houses and some newer ones do not have central air conditioning. Most likely then, you have a window AC unit or on those cool nights have that window cracked open for some air flow. These locks will help to secure the window so that they cannot be pushed open even if they are unlocked.


List of the Best Home Security Window Locks

BurglaBar Sliding Window Lock

This sliding window lock attaches with 3M sticky back to the stationary window. There is a part that flips out and works as the lock. You attach it to the non-moving window and as close to the movable window as possible. This prevents any movement or wiggling that would make it possible to open or wiggle out of the track.

This home security window lock is made of a clear material called Lexan. Lexan is used in high impact windows so this material, even though is clear is also very strong. It will withstand up to 300 to 450 pounds of force. When the hinged part is flipped up it keeps the window from moving. If you want to open the window further on nice days you can flip it down and the window slides right past.

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Keyed Sliding Window Locks

best home security window locks

What I like about these locks is that they have a non-slip rubber pad, two screw down posts and a removable key. The key is removable. Once it is tightened down to the track your children or even an elderly relative with cognitive deficiencies can’t remove them.

With these in the way it is very difficult to wiggle the window out of the track which would allow the window to open. These work with horizontal and vertical opening windows. Also those windows left partially open either for airflow or for a window AC unit.

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Sliding Window Locks

This is another home security window lock that goes on the track to keep the window from being able to move. However, this one gets tightened down with the screw but the screw key doesn’t get removed. So if you have children this is probably not the one for you. But these are easy to install and easy to lockdown. These are adjustable and can be placed anywhere along the frame. So this works to allow a breeze in or if you have an AC window unit.

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Sliding Window Lock Catches

home security window keyed lock

These locks work a little differently. They have a key that protrudes the bolt into the catch. The catch can be attached to the window or can be a hole that is drilled into the window sash. This can be used on vertical windows but works better on horizontal sliding windows.

This locks does take a little more work but is more secure. The lock comes with two catches – one for window completely shut and one if you have your window open a little for some breeze. You can still be secure knowing the window won’t be able to pushed open further.

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Window Security Bar with Childproof Lock

home security window bar

This security bar works for windows that move horizontally or vertically. The bar locks into place between the frame and window preventing movement. It comes in two colors, white and silver. You have to measure the distance from your window to the frame though because it comes in 3 different sizes, for small, medium or large windows. This also has a childproof lock so once installed it will be difficult for a small child to remove it.

This adjustable security bar is ideal for windows with AC units. This is because it will fit to the size that is left once the AC unit is in place. This will make it very difficult to slide the window further for an intruder to gain access.

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Locking it up….on Home Security Window Locks

After time, the window locks that you get with the windows tend to lose their effectiveness or maybe get broken. These locks can be an effective alternative. The locks are also good for renters or in apartments because these are not permanent and, when removed, leave little to no marks. I also like these because even if the locks on your windows are still effective these work well as secondary locks. These even serve as a backup in case your current window locks are not very childproof.

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