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13 Best Window Lock

Anthony Davis
  Oct 4, 2023 7:47 PM

Window locks are a great way to add more security to your home and let you sleep a little sounder at night. Not only do they make it harder for thieves to get in, but they also keep your room and property clean. The best part is that most window locks come with instructions on how to install them. So don’t hesitate to give them a try!

Top Picks

Best Overall: Jeacent Adjustable Window Security Bar, Patio Door Lock
(JEACENT window security bar is high-grade steel and easy to use. It prevents criminals from entering through sliding glass windows or patio doors. No more having to worry about your window being broken open! The bar is adjustable to fit any window size.)
Best Budget: Prime-Line F 2590 Sash Lock for Vertical and Horizontal Sliding Windows
(Easily installs on aluminum framing. One cam-action latch with fasteners. Can be used on a variety of sliding windows. Good for vandalism and weather protection. Use this window sash lock to replace old or broken window locks to maintain security in your home.)
Editor's Choise: Lion Locks Sliding Window and Door Locks
(Secure your patio door and window. Secure vertical window air conditioner or window fan. Easy installation. Durable and stylish. Perfect for a horizontal sliding window or a vertical sliding window.)

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Showing  1 - 10  in  13 results
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1
Prime-Line F 2590 Sash Lock for Vertical and Horizontal Sliding Windows – Replace Broken Sash Locks for Additional Home Security, 2-1/4” Mounting Hole Centers, White Diecast
Prime-Line F 2590 Sash Lock for Vertical and Horizontal Sliding Windows – Replace Broken Sash Locks for Additional Home Security, 2-1/4” Mounting Hole Centers, White Diecast
View on Amazon
  • SCORE
    9.4
    AI Score

    It is a simple and easy-to-use tool that allows you to monitor and analyze the performance of your products or services against a specified set of metrics. The Score is a non-technical user-friendly ranking system that is easy to understand and follow. It is a good tool to understand and use before making a purchase decision. Learn more

  • Brand
    PRIME-LINE
  • EASY INSTALLATION – Installation is quick and easy, and the sash lock can be used on vertical, single and double hung aluminum sliding windows. These locks will also fit some horizontal, aluminum-framed sliding windows.
  • WINDOW SASH LOCK – This window sash lock includes one cam-action latch with fasteners and can be used on a variety of aluminum-framed sliding windows. The lock does not use a separate keeper, instead, the latch engages into the fixed rail to lock the window.  more
2
Jeacent Adjustable Window Security Bar, Patio Door Lock - Sturdy Steel, Extends from 15 1/2" to 29 1/2"
Jeacent Adjustable Window Security Bar, Patio Door Lock - Sturdy Steel, Extends from 15 1/2" to 29 1/2"
View on Amazon
  • SCORE
    9.0
    AI Score

    It is a simple and easy-to-use tool that allows you to monitor and analyze the performance of your products or services against a specified set of metrics. The Score is a non-technical user-friendly ranking system that is easy to understand and follow. It is a good tool to understand and use before making a purchase decision. Learn more

  • Brand
    JEACENT
  • ✅ STOP FORCED ENTRY OR UNEXPECTED ACCIDENT - The steel spring clip provides extra resistance from forced entry and ensures long-term use. Burglars can't reach it from the outside when correctly installed. Prevents children from falling out of open windows.
  • ✅ ADJUSTABLE - The sliding door security bar extends from 15 1/2" to 29 1/2" with the 22 adjustable settings. Lock the height in place with the spring clip and the long screw help to reach the very small adjustment of the window's opening.  more
3
Defender Security U 9802 Sliding Window Lock, 1/4 inch, Extruded Aluminum, White Painted Finish (2-pack)
Defender Security U 9802 Sliding Window Lock, 1/4 inch, Extruded Aluminum, White Painted Finish (2-pack)
View on Amazon
  • SCORE
    8.8
    AI Score

    It is a simple and easy-to-use tool that allows you to monitor and analyze the performance of your products or services against a specified set of metrics. The Score is a non-technical user-friendly ranking system that is easy to understand and follow. It is a good tool to understand and use before making a purchase decision. Learn more

  • Brand
    Defender Security
  • Used on vertical and horizontal sliding windows as a secondary window lock
  • Ideal for use as secondary security locks, often used for ventilating or securing windows in closed position  more
4
Lion Locks Sliding Window and Door Locks (10 Pack), Adjustable Aluminum Security Screw Lock for 3/16-3/8” Track, Door Stopper Safety Lock, No-Drill Install, Requires 28-36mm Clearance for Screw Lock
Lion Locks Sliding Window and Door Locks (10 Pack), Adjustable Aluminum Security Screw Lock for 3/16-3/8” Track, Door Stopper Safety Lock, No-Drill Install, Requires 28-36mm Clearance for Screw Lock
View on Amazon
  • SCORE
    8.8
    AI Score

    It is a simple and easy-to-use tool that allows you to monitor and analyze the performance of your products or services against a specified set of metrics. The Score is a non-technical user-friendly ranking system that is easy to understand and follow. It is a good tool to understand and use before making a purchase decision. Learn more

  • Brand
    Shop Square
  • CHILD PROOF DOOR LOCK: Use this window lock to protect your family from intruders and more! The sliding door lock allows you to leave sliding windows & doors securely locked in position, whether fully closed or ajar to allow a breeze.
  • DURABLE & SENSIBLE: Made of heavy-duty aluminum the lock includes a vinyl lining to prevent you from scratching your window frame. The vinyl insert provides additional gripping power when locking your windows down.  more
5
Defender Security U 9819 Sliding Window Security Lock, Economy, Aluminum, Silver - 4 Count (Pack of 1)
Defender Security U 9819 Sliding Window Security Lock, Economy, Aluminum, Silver - 4 Count (Pack of 1)
View on Amazon
  • SCORE
    8.8
    AI Score

    It is a simple and easy-to-use tool that allows you to monitor and analyze the performance of your products or services against a specified set of metrics. The Score is a non-technical user-friendly ranking system that is easy to understand and follow. It is a good tool to understand and use before making a purchase decision. Learn more

  • Brand
    Defender Security
  • Extruded aluminum construction
  • Used to secure sliding window in a closed or ventilating position  more
6
Prime-Line F 2588 Sash Lock, Diecast Construction, White, Used On Vertical and Horizon
Prime-Line F 2588 Sash Lock, Diecast Construction, White, Used On Vertical and Horizon
View on Amazon
  • SCORE
    8.8
    AI Score

    It is a simple and easy-to-use tool that allows you to monitor and analyze the performance of your products or services against a specified set of metrics. The Score is a non-technical user-friendly ranking system that is easy to understand and follow. It is a good tool to understand and use before making a purchase decision. Learn more

  • Brand
    PRIME-LINE
  • Mounting holes are 2-1/16 in. on center
  • Fasteners included for installation  more
7
Ideal Security Window Security Bar with Child-Proof Lock, Extendable, White (10.6-16.625 Inches)
Ideal Security Window Security Bar with Child-Proof Lock, Extendable, White (10.6-16.625 Inches)
View on Amazon
  • SCORE
    8.6
    AI Score

    It is a simple and easy-to-use tool that allows you to monitor and analyze the performance of your products or services against a specified set of metrics. The Score is a non-technical user-friendly ranking system that is easy to understand and follow. It is a good tool to understand and use before making a purchase decision. Learn more

  • Brand
    Ideal Security
  • Perfect For Window Installation: Install in-window air conditioner units or leave the window partially open for ventilation, all while locking your window in a secure position
  • Sliding Window Lock: This sliding window security bar with a childproof anti-lift lock acts as a visual deterrent against burglars who can see it clearly through the door  more
8
1 X Lot of 4 Pcs Sliding Window Lock (12 Pack)
1 X Lot of 4 Pcs Sliding Window Lock (12 Pack)
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  • SCORE
    8.6
    AI Score

    It is a simple and easy-to-use tool that allows you to monitor and analyze the performance of your products or services against a specified set of metrics. The Score is a non-technical user-friendly ranking system that is easy to understand and follow. It is a good tool to understand and use before making a purchase decision. Learn more

  • Brand
    Parts Express
  • Extruded aluminum construction
  • Thumb turn screw secures lock in place  more
9
Prime-Line F 2620 Spring Cam Action Window Sash Lock, White
Prime-Line F 2620 Spring Cam Action Window Sash Lock, White
View on Amazon
  • SCORE
    8.6
    AI Score

    It is a simple and easy-to-use tool that allows you to monitor and analyze the performance of your products or services against a specified set of metrics. The Score is a non-technical user-friendly ranking system that is easy to understand and follow. It is a good tool to understand and use before making a purchase decision. Learn more

  • Brand
    PRIME-LINE
  • Easy to install in less than 30 minutes with a few simple tools
  • The lock has a 1-15/16 in. hole center pattern, while the keeper has a 1-7/8 in. hole center pattern  more
10
Burglabar 2 Pack - Great for Sliding Patio Door Lock, (Use 2 for doors), Sliding Window Lock, Sliding Basement Windows Lock, Child Safety Lock
Burglabar 2 Pack - Great for Sliding Patio Door Lock, (Use 2 for doors), Sliding Window Lock, Sliding Basement Windows Lock, Child Safety Lock
View on Amazon
  • SCORE
    8.6
    AI Score

    It is a simple and easy-to-use tool that allows you to monitor and analyze the performance of your products or services against a specified set of metrics. The Score is a non-technical user-friendly ranking system that is easy to understand and follow. It is a good tool to understand and use before making a purchase decision. Learn more

  • Brand
    BurglaBar
  • Safety at home: Our window and door latch lock provides additional safety while you are home and keeps your home safe when you are not. The Burglabar is also a great door safety lock for kids keeping your little explorers safely inside.
  • Who we are: We are Rishon Enterprises Inc., the creators of The Original Addalock and the Burglabar. We have focused our time and efforts on promoting and bringing attention to safety, security and privacy for your everyday life.  more

Last update on 2023-10-04 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

3.7
3 ratings

FAQs

Are window locks effective?

Window locks are effective, but may be more expensive.

What can I use to lock my window?

To lock your window, hit the Windows key and the L key.

Should you leave keys in window locks?

There are a few reasons why you might want to leave keys in your window locks. The most common reason is if you have a pet and they get out, or if you need to get out of a tight spot. Another reason is if someone is trying to break into your home and you don't have your key.

Can burglars open locked windows?

Yes, burglars can easily open locked windows by force. The window locks may not be as strong as the door locks, so they may be able to get inside.

Do window restrictors stop burglars?

There is no definitive answer to this question as it depends on the type of window restrictor and the severity of the burglary. In general, window restrictors should only be used in high-risk situations where they are effective at preventing falls and deterring burglars from entering your home.

Conclusion

Window locks are an important part of home security. They are relatively inexpensive and easy to install, and can deter would-be burglars. Homeowners should consider installing window locks on all gro, in order to ensure their home is as secure as possible.

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