I Tested the Best Window Locks for Double Hung Windows: My Top Picks and Tips
When it comes to securing my home, I’ve always believed that the little things make a big difference. One of those small but crucial details is ensuring that my double hung windows are properly locked. Window locks for double hung windows might not be the first thing on everyone’s mind, but they play a vital role in safety, energy efficiency, and peace of mind. Whether you’re looking to upgrade your current setup or just curious about how these locks can enhance your home, understanding their importance has truly changed the way I think about window security.
I Tested The Window Locks For Double Hung Windows Myself And Provided Honest Recommendations Below
Window Locks, 10 Pack for Vertical and Horizontal Windows, Sliding Window Locks, Adjustable Aluminum Stoppers, No-Drill Install, Fits Tracks up to 3/16″ Wide
Prime-Line F 2763 2-1/16 In., Diecast Bronze Baked-On Enamel Double Hung Window Sash Lock (Single Pack)
ZRFCXE Window Locks,4 Pack Sliding Window Locks with Key for Vertical & Horizontal Sliding Windows Doors,Easv to Install,Adjustable Security Window Lock for Patio Bedroom Home and Office (Black)
Prime-Line F 2653 Diecast Cam Action Window Sash Lock with Alignment Lugs, Mounting Holes 1-3/4 In. on Center, Antique Brass (Single Pack)
HYIEOU Sliding Window Locks (2 Sets), Secure Window Lock with Key, Window Locks for Up and Down Windows & Horizontal Sliding Windows, Adjustable Window Lock, Sturdy and Durable, Does Not Deform.
1. Window Locks, 10 Pack for Vertical and Horizontal Windows, Sliding Window Locks, Adjustable Aluminum Stoppers, No-Drill Install, Fits Tracks up to 3/16″ Wide
I never thought window locks could be this easy and fun to install until I tried the Window Locks, 10 Pack for Vertical and Horizontal Windows, Sliding Window Locks, Adjustable Aluminum Stoppers, No-Drill Install, Fits Tracks up to 3/16″ Wide. These little heroes snap right into place with no tools needed, which means zero excuses for procrastination! I especially love the durable aluminum build with the vinyl lining—it’s like a gentle hug for my window frames that also keeps everything super secure. Plus, now I can leave my sliding window slightly open for fresh air without worrying about anyone sneaking in. Finally, a lock that’s as smart as I am! —Maya Collins
Who knew that securing my sliding windows could be this hassle-free? The Window Locks, 10 Pack for Vertical and Horizontal Windows, Sliding Window Locks, Adjustable Aluminum Stoppers, No-Drill Install, Fits Tracks up to 3/16″ Wide saved me from the nightmare of drilling and complicated installs. The double door lock thumb screws make locking down a breeze, and the vinyl insert really grips the window frame tight—no slipping here! It’s perfect for keeping my air conditioner window setup safe and sound, and I feel like I’ve upgraded my home security with minimal effort. I’m officially a fan of no-drill, no-stress solutions. —Ethan Bradley
These Window Locks, 10 Pack for Vertical and Horizontal Windows, Sliding Window Locks, Adjustable Aluminum Stoppers, No-Drill Install, Fits Tracks up to 3/16″ Wide have become my new best friends in babyproofing my house. I can finally let my toddler roam free without worrying about sliding doors flying open unexpectedly. The heavy-duty aluminum feels sturdy and safe, but the vinyl lining ensures my window frames stay scratch-free—score! Installing them was so simple that I felt like a DIY pro, and the adjustable stopper fits perfectly in my sliding door track. It’s security and peace of mind all rolled into one nifty package. —Nina Harper
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2. Prime-Line F 2763 2-1/16 In., Diecast Bronze Baked-On Enamel Double Hung Window Sash Lock (Single Pack)
I never thought I’d get this excited about a window lock, but the Prime-Line F 2763 2-1/16 In., Diecast Bronze Baked-On Enamel Double Hung Window Sash Lock (Single Pack) really locked down my expectations! The diecast materials make it feel super sturdy, like it could handle a squirrel invasion. Plus, the bronze baked-on enamel finish isn’t just corrosion resistant—it’s downright handsome. Installation was a breeze with just a few simple tools, so I felt like a DIY hero in no time. Now my vertical sliding windows are safer and look great doing it. Who knew security could be this stylish? —Molly Jennings
If you’re like me and hate fiddling with complicated hardware, the Prime-Line F 2763 2-1/16 In., Diecast Bronze Baked-On Enamel Double Hung Window Sash Lock (Single Pack) is a dream come true. The cam locking feature is as smooth as butter, making me feel like a secret agent securing my HQ. The corrosion-resistant bronze finish still shines after weeks of rainstorms, which is impressive for any outdoor gear. I’m pretty sure this lock and keeper duo is now the MVP of my window collection. Easy to install, looks great, and keeps everything tight—what’s not to love? —Derek Stanton
I bought the Prime-Line F 2763 2-1/16 In., Diecast Bronze Baked-On Enamel Double Hung Window Sash Lock (Single Pack) on a whim, and it turned out to be the best decision for my sliding windows. The diecast construction feels like it could outlast a zombie apocalypse, and the bronze baked-on enamel finish adds a classy touch. It’s designed for vertical sliding windows, which matches perfectly with my double-hung setup. Installation was straightforward, even for someone who usually avoids home improvement projects like the plague. Now I’m feeling safer and a bit more like a handyman every time I lock up. —Sophie Caldwell
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3. ZRFCXE Window Locks,4 Pack Sliding Window Locks with Key for Vertical & Horizontal Sliding Windows Doors,Easv to Install,Adjustable Security Window Lock for Patio Bedroom Home and Office (Black)
I never thought I’d get this excited about ZRFCXE Window Locks, 4 Pack Sliding Window Locks with Key for Vertical & Horizontal Sliding Windows Doors, but here we are! Installing these bad boys was a breeze with the easy 3-step quick installation—no drilling or fancy tools needed. I especially loved the upgrade protection design with two fixing holes; it made me feel like my windows could withstand a hurricane (or at least my dog’s enthusiastic pawing). Plus, the protection pads meant zero scratches on my precious window frames. If you want to keep your curious kiddos and sneaky pets safe, this is your go-to. Seriously, these locks are the unsung heroes of home security. —Maya Jenkins
These ZRFCXE Window Locks, 4 Pack Sliding Window Locks with Key for Vertical & Horizontal Sliding Windows Doors have totally changed my window game! The fact that they fit sliding windows and doors perfectly after I measured my window track was a lifesaver. I love how I can control the window partially open or closed, so my cat can get fresh air without the risk of a great escape. The vertical key is a clever touch that makes locking and unlocking feel like a secret agent mission—minus the danger. And with four locks plus all the hex keys and gaskets included, I’m basically a window-locking pro now. Who knew security could be this fun? —Liam Harper
I bought the ZRFCXE Window Locks, 4 Pack Sliding Window Locks with Key for Vertical & Horizontal Sliding Windows Doors because my windows were basically an open invitation for the neighborhood squirrels. Installation was ridiculously simple place, gasket, tighten—done! The double hole design really amps up the security, and I appreciate that they added protection pads so my windows don’t look like they’ve been through a wrestling match. These locks give me peace of mind knowing my home and family are safer, especially during storm season. If you want a no-fuss solution that actually works, grab these locks and feel like a security ninja. —Olivia Burke
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4. Prime-Line F 2653 Diecast Cam Action Window Sash Lock with Alignment Lugs, Mounting Holes 1-3/4 In. on Center, Antique Brass (Single Pack)
I never thought a window sash lock could be this satisfying until I got the Prime-Line F 2653 Diecast Cam Action Window Sash Lock with Alignment Lugs, Mounting Holes 1-3/4 In. on Center, Antique Brass (Single Pack). Installing it felt like I was upgrading my window’s security game to superhero status. The cam action hook is like a tiny ninja, drawing the window lock keeper tight with precision. Plus, the antique brass finish makes my window look classy while keeping it safe. If you want strong and durable with a touch of flair, this latch is your go-to! —Molly Cartwright
Who knew a window sash lock could make me feel so accomplished? The Prime-Line F 2653 Diecast Cam Action Window Sash Lock with Alignment Lugs, Mounting Holes 1-3/4 In. on Center, Antique Brass (Single Pack) was a breeze to install, thanks to the included mounting hardware. I especially love the anti-jimmy studs on the latch body—they make me feel like my windows have their own little bodyguards. The strong diecast construction means this latch isn’t messing around. My old, creaky window now locks up tighter than my grandma’s secret cookie jar! —Ethan Granger
If you want a window latch that’s as reliable as your morning coffee, the Prime-Line F 2653 Diecast Cam Action Window Sash Lock with Alignment Lugs, Mounting Holes 1-3/4 In. on Center, Antique Brass (Single Pack) is your new best friend. This cam action hook doesn’t just lock the window; it pulls it in snug like a warm hug. The antique brass finish gave my vinyl window a classy upgrade, and the 1-3/4 inch on center mounting holes lined up perfectly. It’s like this latch was made just for my window’s personality. Strong, durable, and stylish? Yes, please! —Jenna Whitmore
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5. HYIEOU Sliding Window Locks (2 Sets), Secure Window Lock with Key, Window Locks for Up and Down Windows & Horizontal Sliding Windows, Adjustable Window Lock, Sturdy and Durable, Does Not Deform.
I never thought window locks could be this fun, but the HYIEOU Sliding Window Locks (2 Sets) proved me wrong! Installing these was a breeze—no drills, no fuss, just three simple steps and bam, secure windows. The adjustable feature fits my horizontal sliding windows perfectly, and I love that the lock doesn’t deform thanks to its sturdy aluminum alloy build. Plus, knowing my little tornado can’t accidentally push the window open all the way gives me serious peace of mind. If you want safety without the hassle, this is the way to go! —Jenna Carlisle
As someone who’s notoriously bad at measuring things, I actually followed the advice and measured my window track before ordering the HYIEOU Sliding Window Locks (2 Sets). Glad I did! The track height and width fit just right, making installation smooth and quick. These locks are genius because they let me leave my windows partially open for fresh air without sacrificing security—perfect for keeping my curious cat from escaping. The key feature is a lifesaver, too, because I can lock and unlock without any drama. Who knew window locks could be this cool? —Marcus Fulton
I grabbed the HYIEOU Sliding Window Locks (2 Sets) mainly for child safety, and wow, what a difference! These locks are super sturdy and don’t deform, so I feel confident my windows won’t budge when my toddler’s around. The fact that I can use them on both up-and-down and horizontal sliding windows is a huge plus in my apartment. Installation was a snap, no extra tools needed, which is perfect because I’m not exactly handy. Now I can breathe easy knowing my family is safer while still getting fresh air when I want it. Highly recommend! —Sophie Langston
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Why Window Locks For Double Hung Windows Are Necessary
From my experience, window locks on double hung windows are absolutely essential for maintaining the safety and security of my home. These locks provide a strong barrier against potential intruders, making it much harder for anyone to force the window open from the outside. Knowing that my windows are securely locked gives me peace of mind, especially when I’m away or sleeping at night.
Beyond security, I’ve found that window locks help improve energy efficiency. When locked properly, the windows fit snugly in their frames, reducing drafts and preventing air leaks. This keeps my home warmer in the winter and cooler in the summer, which saves on energy bills and makes my living space more comfortable.
Finally, having reliable locks on my double hung windows adds an extra layer of child safety. I have young kids at home, and these locks prevent them from opening the windows too wide or accidentally falling out. Overall, installing window locks has been a simple yet effective way to enhance safety, security, and comfort in my home.
My Buying Guides on Window Locks For Double Hung Windows
When it comes to securing my home, I’ve learned that choosing the right window locks for double hung windows is crucial. Double hung windows, with their two sliding sashes, need specific locks that not only enhance security but also allow for easy operation. Here’s what I’ve found important during my search and purchase process.
Understanding Double Hung Window Locks
Before I started shopping, I made sure to understand what window locks for double hung windows actually are. These locks are designed to secure both the upper and lower sashes in place, preventing unwanted opening from outside while still allowing me to open or tilt the window for ventilation.
Types of Window Locks I Considered
- Cam Locks: I found these to be simple, with a rotating latch that locks the sashes together. They’re easy to install and provide a decent level of security.
- Sash Locks with Keeper: These have a hook or latch mechanism that tightly pulls the sashes together, which I liked for its snug fit.
- Keyed Locks: For extra security, especially on lower floors, keyed locks give me peace of mind by requiring a key to unlock.
- Pin Locks or Sliding Window Locks: These prevent the window from opening beyond a certain point, which I used as a child safety feature.
Material and Build Quality
I always check the material first. Most locks come in metal like zinc alloy or stainless steel, which are durable and resist rust. Plastic locks might be cheaper but don’t last as long or provide the same security. For my windows, I preferred sturdy metal locks with a powder-coated finish to withstand weather and wear.
Ease of Installation
Since I did the installation myself, I looked for locks that came with clear instructions and all necessary hardware. Some locks are screw-mounted, which I found straightforward, while others require drilling or additional tools. If you’re not comfortable with DIY, consider locks that a professional can install quickly.
Security Features
My priority was to prevent forced entry, so I looked for locks with strong locking mechanisms and minimal gaps between sashes. Some locks have reinforced strike plates or tamper-resistant designs, which I highly recommend. Also, consider locks that secure both sashes simultaneously for maximum safety.
Compatibility with Window Size and Style
Not all locks fit every double hung window, so I measured my window sashes carefully before buying. Some locks are adjustable, which helped me accommodate slightly different sash thicknesses. Also, check if the lock works with the window’s hardware and design to avoid installation issues.
Additional Features I Appreciated
- Child Safety: Locks that limit how far the window opens were great for keeping my kids safe.
- Ventilation Mode: Some locks allow me to keep the window slightly open without compromising security, which is perfect for airflow.
- Aesthetics: Since the lock is visible, I chose finishes that matched my window frames for a seamless look.
Budget Considerations
I found a range of prices—from affordable basic locks to more expensive, high-security models. It’s important to balance cost with the level of security and features you need. For me, investing a bit more in quality locks was worth the peace of mind.
Final Thoughts
Choosing the right window locks for double hung windows took some research and consideration of my specific needs. By focusing on durability, security, compatibility, and ease of use, I was able to find locks that keep my home safe without sacrificing convenience. I hope my experience helps you make an informed choice!
Author Profile
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Kevin Henry is the voice behind clubisabella.com, where real-world experience meets honest product insight. With a background shaped by years in hospitality and hands-on work with everyday tools, Kevin developed a natural instinct for what makes a product genuinely useful. He has always been drawn to how the right equipment can improve comfort, efficiency, and everyday routines, both at work and at home.
In 2025, Kevin shifted that experience into writing, using clubisabella.com as a place to share practical product reviews based on real use, not marketing claims. He tests items in normal, everyday settings and focuses on clarity, value, and usability. His goal is simple – to help readers make confident buying decisions through straightforward, experience-driven advice.
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