There are plenty of options available while buying open window locks in the market right now, and if you're confused regarding which one to go for, You have landed on the right page.

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Our Top Picks:

Best Overall: Buy: Shop Square Open Window Lock READ REVIEW

Best For Customer Service: Buy: Window Wedge Open Window Lock READ REVIEW

Best For Horizontal Sliding Windows: Buy: Maxdot Open Window Lock READ REVIEW

Best For Great Price: Buy: Ideal Security Open Window Lock READ REVIEW

Best For Fast Delivery: Buy: Lockit Blockit Open Window Lock READ REVIEW

Best For Low Price: Buy: 1St Choice Open Window Lock READ REVIEW

Best With Key: Buy: Impresa Open Window Lock READ REVIEW

Best With Tracks: Buy: Jeacent Open Window Lock READ REVIEW

Best For Kid: Buy: Andersen Windows Open Window Lock READ REVIEW

Best Overall: Shop Square Open Window Lock

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Not everyone likes to purchase a lock for their regular use, but the Shop Square Open Window Lock would be an anomoly. The shop square open window lock feels safe and it comes with excellent quality. Make sure this fits by entering your model number. These window locks are easy to install with double door lock thumb screws securing sliding door & window tracks up to 3/16" wide with the rubber insert or 3/8" without the rubber window seal.

The lock is highly recommend, is very strong and it is very secure. Moreover, the lock is black and it is worth the money. Above all, the shop square open window lock is ideal for securing a vertical window air conditioner or window fan setup.

Most buyers opine that the lock is a bit wider, there would be more surface area for the screw to be against. Moreover, they strongly agree that the lock is used to secure either window in a double hung. And, they strongly agree that the lock does take 2 per window to fully secure it. Obviously, this lock passed the test and had very satisfied buyers eager to share their experience.

• This is a great temporary fix for a broken window latch.
• It is made of aluminum and steel.
• They can unscrew something, they can undo it and get out.
• This adds more grip & protects the window frame from getting damaged.

Best For Customer Service: Window Wedge Open Window Lock

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The Window Wedge Open Window Lock is capable of outshining several other locks featured in this list in overall features for the price point. The window wedge open window lock is highly recommend, It is great for wood blinds and has a great design. Make sure this fits by entering your model number. The loop material easily attaches to the window frame ( see directions ) without the use of tools.

The lock is easy to for installation instructions, looks good and it works flawlessly. Moreover, this is strong enough, it includes hardware for easy installation and has a perfect design. Lastly, the window wedge open window lock is made of durable, impact resistant, abs plastic and has a tapered groove on the bottom that holds a strip of (velcro brand) hook material that mates with an 8 inch strip of (velcro brand) peel and stick loop material.

Almost all customers agree that the lock is a quick fix and really is very sturdy. And, they strongly agree that the lock is the perfect option to allow the windows to be open a few inches to let in the breeze, but not enough for them to lean over to fall out through the screens. Moreover, they say that the lock could get them unvelcrowed anyways. To sum up, the tone of buyers is very positive and we believe that the lock suits the purpose.

• This works well, will probably buy more.
• This will work on wooden sash windows.
• This will work very well for home security.
• This works well for the price.

Best For Horizontal Sliding Windows: Maxdot Open Window Lock

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate lock. The Maxdot Open Window Lock is exactly that - it's a simple lock that hits all the right notes. The maxdot open window lock can be easily applied to most environments. Maxdot 4 piece sliding window locks stop aluminum alloy door frame security lock. Further, it has a nice, it is suitable for product quality and has a great design.

Finally, the maxdot open window lock is strong, solid and sturdy, exquisite workmanship, aluminum alloy frame and stainless steel screws that can be taken full advantage of many times.

Almost all buyers opine that the lock is easy to use and holds in place securely. Also, they strongly agree that the lock can work on a sliding mirror closet. And, a few say that the lock is easy to undo from inside.

• This does the trick, feel safe and it has slidden open.
• This is designed for sliding windows.
• This has young children who have figured out how to climb up to the windows.
• This comes with a key and is easy to install.

Best For Great Price: Ideal Security Open Window Lock

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Ideal Security offers a variety of locks for personal choice and yet maintains quality in all the variants. The Ideal Security Open Window Lock has see photos, makes for easy installation, It is made with quality workmanship and has a very solid design. The inside bar slides into the outside bar when adjusting, and easy adjustability means your window can be partially opened for ventilation and still be secured. The bar pivots up on the back hinge, so unlocking the door is easy and the bar is stored out - of - the - way.

Most importantly, the ideal security open window lock is perfect for french doors and it is attractive.

Almost all customers quickly discovered that the lock is attached to the sliding door and you may risk the bar falling unintentionally from the motion of the door. In addition, they also found that the lock provides some peace of mind and function. Moreover, they strongly agree that this lock is a great feature to any sliding patio door. With no doubts, this lock passed the test and had very satisfied buyers eager to share their experience.

• 15.7” and 26.75”, You need bk111.
• The Manufacturer says: please explore our other security and protection products for your home.
• This can a screw be placed through the metal to ensure the length never changes.
• This allows the window to partially open while being secured.

Best For Fast Delivery: Lockit Blockit Open Window Lock

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If you often find yourself scrambling for an appropriate and satisfactory lock, Lockit Blockit Open Window Lock is your end point. The lockit blockit open window lock is highly recommended and it feels safe. The Manufacturer says: Our home security bar will give you peace of mind in your house or apartment. The lock - it block - it offers an added layer of home security that allows the elderly to live as they want and reduces their concerns of being insecure.

The lock offers what every security expert recommends. And, it is a perfect childproof solution. Most importantly, the lockit blockit openwindow lock provides extra resistance from forced entry.

Almost all customers opine that the lock is used to secure single - hung windows, sliding windows and patio doors. Also, a few strongly agree that the lock offers what every security expert recommends. And, a few say that the lock is a slide mechanism that locks into place via adjustment. To sum up, buyers found this to be one of the best locks for daily purposes.

• This is designed to keep windows open at a safe height and secured.
• It is highly recommended to leave your window open more than 6 inches max.
• This fits to ensure security and works in single-hung windows.
• This allows for easy installation and it fits perfectly.

Best For Low Price: 1St Choice Open Window Lock

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Next on the list, we've got yet another lock that manages to win our hearts. It's the 1St Choice Open Window Lock and it's widely considered as the lock that has the most suitable features. The 1st choice, open window lock, is very secure and it is made for quick delivery. Aluminium sliding window lock, 3 step fast installation. And, it works as advertised, is perfect for simple installing and it is made of solid steel.

The lock is great for vinyl windows and it fits snug. Lastly, the 1st choice open windowlock works well and it worked fine.

Most buyers agree that the lock is great for bracing windows with a/c units in them. And, they also found that the lock was as good as a normal window lock.

• This is easy to use to secure windows.
• This is super secure, is worth the money and it fits perfectly.
• This is great for the low price and it works well.
• This is perfect for a few windows around the house.

Best With Key: Impresa Open Window Lock

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The Impresa Open Window Lock's high-end materials makes sure that it ages well with use. The impresa open window lock is made for easy installation and has a perfect design. Locks are 2" wide and the flexible clamp fits tracks 3/16 inches wide or 3/8 inches with rubber cushioningremoved so you can be sure it will fit a large range of doors and windows. These childproof window clamps will make any sliding window or door safer while still allowing ventilation.

The lock is perfect for securing windows and doors, as well as child saving windows and doors. Lastly, the impresa openwindow lock is made for slider windows, It is made with excellent quality and has a simple screw in design.

Most buyers found that the lock protects the surface and prevents sliding. Also, a few say that the lock is perfect for sliding windows. And, they say that the lock is easy to use and a great price for the number in the box. In short, at the price, they believe that they got a steal of a deal with it.

• It works great, It is brand new and has a great design.
• Install an additional window lock on the parallel track for extra security.
• These also provide additional security to vulnerable sliding doors and windows.
• This provides great value, has a lock in place and it allows for easy installing.

Best With Tracks: Jeacent Open Window Lock

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The Jeacent Open Window Lock's superior materials makes sure that it ages well with use. The jeacent open window lock is constructed with steel construction, It fits perfectly and has a great design. Keep your window at a height to stop your ac unit from falling out or being stolen from outside. This a / c window security bar is specially designed to keep windows staying at a safe height / width and locked, preventing the air conditioner from falling out of the window when installed.

The lock can break the windowlock adjusted from 10" to 17.5" in length. Further, the lock works with tracks narrower than 1 inch wide. Most importantly, the jeacent open window lock is built with sturdy steel and has a perfect design.

Almost all customers found that the lock is designed to keep your window open at a height or width you need, while the outsider could not push it. Moreover, a few strongly agree that the lock is meant to prevent a window from being slidden open. Further, a few strongly agree that the lock is the right size and locked perfectly. Obviously, this product passed the test and had very satisfied buyers eager to share their experience.

• This provides great value and it fits well.
• This is highly recommend, it includes hardware for easy installation and has a better design.
• This is great for adjustable sizes. It is easy to assemble and has a unique design.
• The device doesn't fall when you lower the window.

Best For Kid: Andersen Windows Open Window Lock

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The Andersen Windows Open Window Lock is suitable and reliable and fits well with your daily purpose. The Andersen windows open window lock looks great and has a great design. Make sure this fits by entering your model number. Also, this is packaged with colden solutions precision mechanical pencil to aid in installation.

The lock will only work with Andersen brand windows, including. Furthermore, the lock works fine and it worked fine. Most importantly, the Andersen windows open window lock works great, It is much sturdier and has a perfect design.

Almost all customers agree that the lock works well with over 400 windows. Moreover, they say that the lock includes a right and left-hand device. In addition, they also found that the lock is screwed into the upper sash and meant to be placed at a specific height to limit window opening size to code for the safety of children. So, buyers were eager to recommend it to friends and families.

• The hardware is made to allow people to limit opening from the bottom only.
• This is designed for child proof windows.
• This is made specifically for andersen windows.
• The lock is simple to switch so that the window can be fully open.