Best DIY Home Security Systems 2026: Buyer's Guide
Our experts tested and compared the best home security systems of 2026. Find the perfect home security system for your budget and needs.
SmartShieldHQ Editorial Team
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Our Top Picks at a Glance
| Product | Best For | Price | Rating |
|---|---|---|---|
| eufy Security S380 HomeBase 3 System | Overall | $279.99 | 4.4/5 |
| SimpliSafe The Essentials Security System | Budget | $199.99 | 4.4/5 |
1. eufy Security S380 HomeBase 3 System — Best Overall
The eufy Security S380 HomeBase 3 System is an all-in-one DIY home security system that stands out for its robust local storage and AI processing capabilities. With 16 GB of expandable storage on the HomeBase 3, you can store up to 1 year of video footage without needing a cloud subscription. The BionicMind AI engine provides advanced facial recognition and smart detection features, sending personalized alerts to your phone or tablet.
In our testing, we found that the eufy system performed exceptionally well in real-world scenarios. The HomeBase 3 acted as a central hub for all connected devices, ensuring seamless communication between components. We also appreciated the excellent build quality and reliable connectivity of the entire ecosystem.
One notable advantage of the eufy Security S380 is its lack of monthly subscription fees for core features. This makes it an attractive option for those who value local storage and AI processing without the added cost of a cloud service.
Pros:
- No monthly fees with robust local storage and AI processing
- BionicMind learns faces for personalized alerts
- HomeBase 3 acts as central hub for entire eufy ecosystem
Cons:
- Expandable storage requires separate microSD purchase
- Limited third-party smart home integrations compared to competitors
Our Verdict: The eufy Security S380 HomeBase 3 System is an excellent choice for homeowners seeking a comprehensive, subscription-free DIY security solution with robust local storage and AI capabilities.
2. SimpliSafe The Essentials Security System — Best Budget
SimpliSafe’s The Essentials Security System offers an affordable entry point into the world of DIY home security without sacrificing essential features. This system includes a base station with a built-in 95 dB siren, a wireless keypad for easy PIN entry, and three entry sensors plus one motion sensor. Optional 24/7 professional monitoring is available, starting at $0.50/day.
During our evaluation, we found the SimpliSafe system to be extremely easy to set up in under 30 minutes. The peel-and-stick installation process made it a breeze to get started, and the base station’s siren proved effective in deterring intruders.
While SimpliSafe’s professional monitoring plans require monthly subscriptions, the initial setup costs are significantly lower than many competitors. Additionally, the system’s cellular backup ensures continuous connectivity even during WiFi outages. For a closer look at its features and real-world performance, read our full SimpliSafe Essentials review.
Pros:
- No long-term contracts required for professional monitoring
- Extremely easy DIY setup in under 30 minutes
- Affordable monitoring plans starting at $0.50/day
Cons:
- Professional monitoring requires monthly subscription
- No built-in smart home hub or Zigbee/Z-Wave support
Our Verdict: The SimpliSafe The Essentials Security System is an excellent choice for budget-conscious homeowners who value ease of use and affordability without sacrificing essential security features.
How We Tested
At SmartShieldHQ, we evaluate each DIY home security system based on several key criteria: ease of setup, feature robustness, connectivity reliability, and user interface. We also consider the system’s compatibility with various devices and platforms, as well as any potential integration limitations. During our testing process, we simulate real-world scenarios to assess each product’s performance in different situations.
Buying Guide
When selecting a DIY home security system, there are several key factors to consider:
- Local storage vs. cloud backup: Decide whether you prefer storing footage locally or using a cloud service for remote access.
- AI processing and smart detection: Determine if advanced features like facial recognition and smart alerts are essential to your needs.
- Monthly subscription fees: Weigh the costs of professional monitoring plans against the benefits of DIY security systems.
- System expandability: Consider whether you’ll need to add more devices in the future and ensure the system is compatible with various components. Adding security cameras or a smart lock can strengthen your setup significantly.
By carefully evaluating these factors, you can choose the best DIY home security system for your specific needs and budget.
Frequently Asked Questions
Q: Do I need a monthly subscription for professional monitoring?
A: No, some systems like SimpliSafe offer affordable monthly plans starting at $0.50/day. However, others may require longer-term contracts or higher subscription fees.
Q: Can I integrate other smart home devices with my DIY security system?
A: Some systems, like eufy’s S380, have limited third-party integrations compared to competitors. Research the compatibility of your chosen system before making a purchase.
Q: How do I store footage locally on my DIY security system?
A: Systems like eufy’s S380 offer 16 GB of expandable storage on the HomeBase 3, allowing for local storage without cloud subscriptions.
Final Verdict
After evaluating several top-rated DIY home security systems, we highly recommend considering both the eufy Security S380 HomeBase 3 System and SimpliSafe The Essentials Security System. While they cater to different needs and budgets, both offer robust features, reliable performance, and user-friendly interfaces.
