We consider a window bar lock to be a worthy investment in the long run. Let’s take you step by step, type by type, and find the best window bar lock for you.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Jeacent Window Bar Lock READ REVIEW

Best With Slider: Buy: Rishon Enterprises Inc Window Bar Lock READ REVIEW

Best For Customer Service: Buy: U.S. Patrol Window Bar Lock READ REVIEW

Best With Fast Shipping: Buy: Defender Security Window Bar Lock READ REVIEW

Best With Double Hung: Buy: Lockit Blockit Window Bar Lock READ REVIEW

Best For Great Price: Buy: Roe & Moe Window Bar Lock READ REVIEW

Best For Easy Security: Buy: Codace Window Bar Lock READ REVIEW

Best For Very Reasonable Price: Buy: Johnson Smith Co. Window Bar Lock READ REVIEW

Best For Sliding Window: Buy: Securityman Window Bar Lock READ REVIEW

Best For Patio Doors: Buy: Sidasu Window Bar Lock READ REVIEW

Best Overall: Jeacent Window Bar Lock

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Not everyone likes to purchase bars for their daily purpose, but the Jeacent Window Bar Lock would be an anomoly. The jeacent window bar lock can be used as a secondary window lock when windows are closed. Extends from 15.5" to 29.5" and could make quite a small adjustment to your window's opening with the end screw of the bar. Also, this works well with different types of sliding doors and windows.

The lock fits perfectly and has a screw in design. In addition, there is a hole designed for a screw (not provided) to nail the extendable bar into the sash if needed. Most importantly, the jeacent window bar lock is suitable for door security bars, is made of sturdy metal and it is very simple.

Most buyers quickly discovered that the bar was perfect for a double - hung window. In addition, they also found that the bar can be installed in the middle at your comfort level. Moreover, they say that the best part is, this thing is so solid, no one can even get close to pushing the window ajar. Overall, buyers found this to be one of the best bars for daily purposes.

• This fits fully extended and it is, and I would highly recommend.
• This can also protect children from falling out of open windows.
• The device doesn't fall out when you lower the window.
• This security bar fits the bill regarding durability and ease of use.

Best With Slider: Rishon Enterprises Inc Window Bar 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 bar. The Rishon enterprises inc window bar lock is exactly that - it's a simple bar that hits all the right notes. The Rishon enterprises inc window bar lock does the job and has a perfect design. The manufacturer says: Our sliding glass door lock and window lock keeps you safe and can be used to child proof your home. And, this is made from Lexan, which is a very strong transparent material using a special adhesive that bonds like a weld.

The lock is made in Canada, Burglabar’s adhesive bonds like a weld for maximum strength. Finally, the Rishon enterprises inc window bar lock is good for safety at home, It works perfectly and has an affordable design.

Most buyers quickly discovered that the bar was the perfect burglar bar for first floor apartments and homes. Moreover, a few also found that the bar would hold back the patio door. And, they strongly agree that the burglar bar be installed as close as possible to the sliding door possible. Obviously, this bar passed the test and had very satisfied buyers eager to share their experience.

• This is easy to remove or cheap enough to leave behind.
• This requires no tools, it is very sturdy and has a better design.
• This is easy to apply, easy to operate, effectively stops the window.
• They do the test, it works well and has a unique design.

Best For Customer Service: U.S. Patrol Window Bar Lock

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The U.S. Patrol Window Bar Lock is capable of outshining several other bars featured in this list in overall features for the price point. The u.s. patrol window bar lock makes for nice quality, It allows for adjustable size and has a perfect design. The leaf pattern provides a decorative flare to your home. This window safety bar provides the ideal window stopper for optimal peace of mind.

The lock works fine and has a screw in design. Moreover, it is very stylish, It is designed for easy installation and has a decorative design. Lastly, the u.s. patrol window bar lock is easy to install and adjust to fit window openings.

Almost all customers agree that the lock is easy to adjust length and install. And, they strongly agree that the bar is easy to use, and looks great. Moreover, a few strongly agree that this sturdy bar eliminates what looks like an easy route in. To sum up, the tone of buyers is very positive and we believe that the bar suits the purpose.

• This fits many different sizes of doors.
• This fits almost flush and also fits perfectly on track.
• This can do for customer service, it feels very secure and has a much better design.
• Durable: the iron construction provides reliable durability for maximum security.

Best With Fast Shipping: Defender Security Window Bar 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 bar. The Defender Security Window Bar Lock is exactly that - it's a simple bar that hits all the right notes. The defender security window bar lock comes with a nice natural finish. Finish by tightening the thumbscrew with pliers to securely lock windows in closed or ventilating positions. Moreover, it allows for a great fit and it is designed for easy fix.

Lastly, the defender security window barlock comes with a steel thumbscrew for use on metal horizontal sliding windows.

Almost all buyers quickly discovered that the lock is quick and much easier than taking it all the way off. Moreover, they say that the lock is easy to use yet sturdy at the same time. And, a few strongly agree that the bar is used to buy or make wood dowels for each window. In conclusion, most buyers found the bar is functionally comfortable and no one questions it.

• This can slide back & forth with the loosening of a screw.
• This is made for good value and it fits well.
• This can cause marring of the window frames.
• This will leave tiny indents/holes.

Best With Double Hung: Lockit Blockit Window Bar Lock

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Lockit Blockit offers a variety of locks for personal choice and yet maintains quality in all the variants. The Lockit Blockit Window Bar Lock works great and it makes for easy installation. Sleep peacefully at night and still get cool outdoors air without the concern that anyone will open your window any further. 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.

Most importantly, the lockit blockit windowbar lock is used for single-hung windows and it works for child safety.

Most buyers found that the lock offers what every security expert recommends. In addition, a few strongly agree that the bar allows for windows to be locked open from 1 inch or more. Moreover, a few also found that the lock - it block - would not be able to perform its function. Therefore, most buyers find the bar suits best, and no one questions it.

• Lock the height in place with the push of a pin.
• This is a slide mechanism that locks into place via adjustment.
• This fits discretely in the window track and doesn't obstruct the views.
• This is great in sliders and single and double - hung windows.

Best For Great Price: Roe & Moe Window Bar Lock

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If you often find yourself scrambling for an appropriate and satisfactory lock, Roe & Moe window bar lock is your end point. The Roe & Moe Window Bar Lock has many other uses, such as pantry rack, shoe bar, small curtain rod. Be it home security, home comfort, home organization or unique baby products, Roe & moe is out there sourcing and innovating to bring it into your home. This plastic handle also makes removing and re - attaching the bar very easy and convenient.

The bar is easy to handle, light in weight yet sturdy. Finally, the roe & moe window bar lock has been extended and fixed in position, Turning the plastic ribbed handle allows for micro adjustments to achieve the perfect fit.

Most buyers quickly discovered that the bar is made of cheap plastic, which makes sense based on the price, However, that doesn't help with peace of mind. And, they also found that the lock is great for apartment living.

• Adjustable from 17 to 27 inches.
• Ideal to secure your windows against forced entry.
• This is easy to use and will work.
• A steel rod and 1.5" diameter rubber ends locked securely in position.

Best For Easy Security: Codace Window Bar Lock

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The Codace Window Bar Lock is capable of outshining several other bars featured in this list in overall features in its price range. The codace window bar lock has bar none, works as advertised and it works great. Make sure this fits by entering your model number. Also, the lock has non-slip silicone pads to increase the strength.

The bar is great for high quality and it does the job. Most importantly, the codace window bar lock has two keys in each window lock that it can lock many places in the window.

Almost all buyers opine that the bar does not work very well as a toddler with a little bit of strength can pry this off. Also, a few strongly agree that the bar fits in the slot which tightens the clamp on the window channel. In conclusion, at the price, they believe that they got a steal of a deal with it.

• Open the windows to the proper position or close the windows as you need.
• Put the lock in a suitable position window track.
• This will stay in place easily.
• It is an additional security device used in conjunction with your current window hardware.

Best For Very Reasonable Price: Johnson Smith Co. Window Bar Lock

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Johnson Smith Co. line of bars comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Johnson Smith co. windowbar lock works as advertised and it is made for a very reasonable price. . And, this is great with a reasonable price, is reasonable and it works as intended.

The bar fits in perfectly, is great for narrow windows and it is built with sturdy steel. Lastly, the Johnson Smith co. window barlock is great for double protection, works fine and it is made for easy installation.

Most customers quickly discovered that the bar was a perfect fit and definitely works. Moreover, a few say that the bar is easy to use, installed in less than two minutes. Furthermore, a few also found that the bar is laying in the inside track of a locked window so that you ca n't slide the window even if it is not locked. Overall, for most customers, Johnson Smith Co. product was just what they wanted.

• This is perfect to prevent drafts and locking windows shut even with in-window.
• This works well in the windows.
• This works as expected and it makes for great security.
• They have a spring in them to adjust to different size windows.

Best For Sliding Window: Securityman Window Bar Lock

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The Securityman Window Bar Lock is satisfactory and appropriate and fits well with your daily purpose. The securityman window bar lock can be used as needed to give the bar one additional inch in length or used on a 3/4” narrow window frame. If your window measurement is between 25.26” to 26.89” it will not fit. Also, it is rigid enough and it is built for adjustable length.

The bar is constructed with high grade iron. Also, this can be extended between 14.25" to 37" and be installed and removed in seconds. Finally, the securityman window bar lock is easy to follow.

Almost all customers agree that the lock comes with great mounting hardware and can be used either vertically or horizontally. And, a few also found that the bar was too long for the short opening. And, they strongly agree that the bar is ready to use right from the box. To sum up, many have used the lock for more than a few months without letup, and it shows no sign of giving up.

• When you feel it is secure, give it another twist.
• You do not want them to penetrate the glass.
• This is best for customer service and it is simple to assemble.
• Install included mounting hardware w/ bracket.

Best For Patio Doors: Sidasu Window Bar Lock

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The Sidasu Window Bar Lock is suitable and reliable and fits well with your daily purpose. The sidasu window bar lock is made with steel construction, It is great for stainless steel and has a better design. Please measure the window or door track where the device will be placed before buying. Also, this can also protect children from falling out of open windows.

The lock fits discretely in the window / door tracks and looks decent. Lastly, the sidasu window bar lock provides extra resistance from forced entry.

In short, buyers found this to be one of the best bars for daily purposes.

• This has strengthened home security and has a much better design.
• Press the buckle and adjust its length to your needs.
• Decide how high you want the window to open with the 10 adjustable settings.
• Stop forced entry or unexpected excidence.