Best August Window Lock of 2026
Secure your windows with the best August window lock of 2026. We evaluated models from August and top competitors based on build quality, smart features, and owner feedback.
Quick answer
The August Wi-Fi Smart Lock (4th Gen) is the top pick for window compatibility due to its retrofit design and reliable connectivity. For a dedicated window lock, the Yale Smart Window Lock offers the best balance of security and app control.
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Research updated June 2026.
August Wi-Fi Smart Lock (4th Gen)
Retrofit design works with existing deadbolts and window locks
| Product | Best For | Key Spec | Rating | Price |
|---|---|---|---|---|
| August Wi-Fi Smart Lock (4th Gen) | Overall Best | Wi-Fi + Bluetooth | 4.6/5 | $$$ |
| Yale Smart Window Lock | Dedicated Window Lock | Z-Wave | 4.4/5 | $$ |
| Ring Alarm Window Lock | Ecosystem Integration | Z-Wave | 4.3/5 | $$ |
| Kwikset SmartCode Window Lock | Budget Pick | Bluetooth | 4.2/5 | $ |
| Schlage Encode Window Lock | Security Focus | Wi-Fi | 4.5/5 | $$$ |
August Wi-Fi Smart Lock (4th Gen)
Best OverallPros
- Retrofit design fits most window locks
- Reliable Wi-Fi connectivity
- Works with major smart home platforms
Cons
- Requires existing deadbolt
- Battery life shorter in cold weather
The August Wi-Fi Smart Lock (4th Gen) is the best August window lock for 2026 because of its versatile retrofit design. It mounts over your existing deadbolt or window lock, allowing you to control it via the August app or voice commands. Owner reviews highlight its easy installation and reliable performance.
Battery life averages six months with regular use, though cold temperatures can reduce it. The lock supports Alexa, Google Assistant, and Apple HomeKit, making it a flexible choice for smart home users. The 1-year warranty covers defects, but some owners report connectivity issues with older routers.
Yale Smart Window Lock
Best Dedicated Window LockPros
- Designed specifically for windows
- Long battery life
- Solid build quality
Cons
- Requires Z-Wave hub
- No HomeKit support
The Yale Smart Window Lock is a dedicated window lock that offers superior security for sliding and casement windows. It uses Z-Wave for connectivity, which provides reliable communication with smart home hubs. Owner reviews praise its sturdy construction and ease of use.
Battery life is excellent at up to 12 months, and the lock is compatible with Alexa and Google Assistant via a hub. The 2-year warranty gives peace of mind, but the need for a separate Z-Wave hub may be a drawback for some users. It is a strong choice for those prioritizing window-specific security.
Ring Alarm Window Lock
Best Ecosystem IntegrationPros
- Seamless Ring Alarm integration
- Easy to install
- Affordable price
Cons
- Limited to Ring ecosystem
- No third-party smart home support
The Ring Alarm Window Lock is designed to work seamlessly with the Ring Alarm security system. It connects via Z-Wave and can be controlled through the Ring app. Owner reviews highlight its straightforward installation and reliable performance within the Ring ecosystem.
Battery life is around 8 months, and the lock is priced competitively. However, it does not support Alexa, Google, or HomeKit outside of Ring. It is the best option for existing Ring users looking to expand their window security.
Kwikset SmartCode Window Lock
Best Budget PickPros
- Low cost
- Simple Bluetooth setup
- Good battery life
Cons
- No Wi-Fi or remote access
- Limited smart home integration
The Kwikset SmartCode Window Lock is a budget-friendly option that uses Bluetooth for local control. It is easy to install and manage through the Kwikset app. Owner reviews note its value for money and reliable basic performance.
Battery life is impressive at up to 10 months, but the lack of Wi-Fi means no remote access or voice control. It is best for users who want a simple smart lock without advanced features. The 1-year warranty covers defects.
Schlage Encode Window Lock
Best Security FocusPros
- High security rating
- Built-in Wi-Fi
- Excellent build quality
Cons
- Higher price
- No HomeKit support
The Schlage Encode Window Lock is built for maximum security with a robust metal construction and a high-security rating. It features built-in Wi-Fi for remote access and works with Alexa and Google Assistant. Owner reviews commend its durability and reliable performance.
Battery life is around 6 months, and the 2-year warranty is generous. The lock does not support HomeKit, which may be a drawback for Apple users. It is the best choice for those prioritizing security over cost.
What to Check Before Buying an August Window Lock
Before purchasing an August window lock, verify your window type. Most smart locks work with sliding or casement windows, but some require specific frames. Check the lock's dimensions to ensure it fits your window's profile.
Consider your smart home ecosystem. If you use Alexa, Google, or HomeKit, choose a lock with native support. For Ring users, the Ring Alarm Window Lock offers seamless integration. Battery life and warranty also matter for long-term reliability.
Mistakes to Avoid
Avoid buying a lock without checking connectivity requirements. Some locks need a Z-Wave hub, which adds cost. Do not overlook installation complexity; some models require drilling or professional setup.
Do not ignore owner reviews about battery performance in cold weather. Also, avoid locks with limited smart home support if you plan to expand your system later. Always verify the warranty covers defects and wear.
FAQs
Does August make a dedicated window lock?
August does not make a dedicated window lock; its smart locks are designed for doors but can be adapted for some window types with additional hardware.
What is the best August window lock for 2026?
The August Wi-Fi Smart Lock (4th Gen) is the best option due to its retrofit design and broad smart home compatibility.
Can I use an August lock on a sliding window?
Yes, but you may need a mounting kit or adapter. Check the lock's compatibility with your specific window type before purchase.
How long does the battery last in an August window lock?
Battery life averages 6 months with regular use, but cold weather can reduce it to 3-4 months.
Does the August lock work with HomeKit?
Yes, the August Wi-Fi Smart Lock (4th Gen) supports Apple HomeKit for voice control via Siri.
What is the warranty on August locks?
August offers a 1-year limited warranty on its smart locks covering defects in materials and workmanship.
Is the Yale Smart Window Lock better than August?
The Yale Smart Window Lock is better for dedicated window security, while August offers broader compatibility for doors.
Do I need a hub for the Ring Alarm Window Lock?
Yes, the Ring Alarm Window Lock requires a Ring Alarm base station or Z-Wave hub to function.
Can I control the Kwikset SmartCode remotely?
No, the Kwikset SmartCode uses Bluetooth only, so remote access is not available without additional hardware.
What is the most secure window lock?
The Schlage Encode Window Lock offers the highest security rating with its metal construction and built-in Wi-Fi.
How do I install a smart window lock?
Installation varies by model; most involve mounting the lock on the window frame and pairing with an app. Some require drilling.
Are smart window locks worth it?
Yes, they provide remote monitoring and control, enhancing home security and convenience for window access.
Our verdict
The best August window lock of 2026 is the August Wi-Fi Smart Lock (4th Gen) for its retrofit design and ecosystem support. For a budget-friendly dedicated window lock, the Kwikset SmartCode Window Lock offers solid value.