The Kidde KN-COB-LP2 is a plug-in carbon monoxide alarm with battery backup and a digital readout that positions it as a mid-range option for homeowners wanting a clearer picture of CO levels without paying for full smart features. Compared to the Nighthawk it often presents a more modern display and comparable price point, and versus connected alarms it offers a simpler, one-time purchase model with lower ongoing costs.
Quick-mount installation
Peak-level memory
Quick-mount installation
Peak-level memory
Review Summary
"The Kidde KN-COB-LP2 is appreciated for its combination CO detection and compact form with a digital readout, offering accurate sensing for typical household use. However, several users report intermittent nuisance alerts and some concerns about display readability in low light."
End-of-life whisper
Compact, battery-powered design intended to minimize frequent battery changes
End-of-life whisper
Compact, battery-powered design intended to minimize frequent battery changes
Increased Safety & Security
Reduced Stress & Anxiety
Time-Saving Convenience
The Kidde KN-COB-LP2 is a plug-in carbon monoxide alarm with battery backup and a digital readout that positions it as a mid-range option for homeowners wanting a clearer picture of CO levels without paying for full smart features. Compared to the Nighthawk it often presents a more modern display and comparable price point, and versus connected alarms it offers a simpler, one-time purchase model with lower ongoing costs.
Quick-mount installation
Peak-level memory
End-of-life whisper
Compact, battery-powered design intended to minimize frequent battery changes
Easy placement where wiring or outlets aren’t available
Quick-mount installation
Peak-level memory
End-of-life whisper
Compact, battery-powered design intended to minimize frequent battery changes
Easy placement where wiring or outlets aren’t available
First Alert BRK SC9120B Hardwired Combination Smoke and Carbon Monoxide Alarm
A hardwired combination smoke and carbon monoxide alarm designed for whole-house protection with interconnect capability, making it preferable where code compliance and networked alerts are required. While it does not provide Nest-level smart features, its reliability and centralized installation often yield better cost-efficiency for builders and large homes compared with deploying multiple standalone battery units.
Hardwired backbone
Interconnect ready
Hardwired backbone
Interconnect ready
Review Summary
"Long-term owners appreciate the First Alert BRK SC9120B's hardwired reliability, battery backup and loud alerts, while some note occasional interconnect or wiring compatibility issues and sporadic nuisance alarms."
Steady guardian hum
Hardwired 120V installation with battery backup for reliable power
Steady guardian hum
Hardwired 120V installation with battery backup for reliable power
Increased Safety & Security
Reduced Stress & Anxiety
Time-Saving Convenience
A hardwired combination smoke and carbon monoxide alarm designed for whole-house protection with interconnect capability, making it preferable where code compliance and networked alerts are required. While it does not provide Nest-level smart features, its reliability and centralized installation often yield better cost-efficiency for builders and large homes compared with deploying multiple standalone battery units.
Hardwired backbone
Interconnect ready
Steady guardian hum
Hardwired 120V installation with battery backup for reliable power
Interconnect-capable to link multiple alarms in a home
Hardwired backbone
Interconnect ready
Steady guardian hum
Hardwired 120V installation with battery backup for reliable power
Interconnect-capable to link multiple alarms in a home
The Nest Protect Wall Plate is a premium accessory that conceals wiring and creates a clean, integrated appearance when replacing legacy detectors with Nest Protect units. Though more expensive than universal mounting brackets or disposable dust covers, it delivers aesthetic and installation convenience for homeowners who value a seamless finish and simplified retrofit. Its value proposition is design-focused: reducing visible repairs and speeding up replacements while pairing tightly with Nest's ecosystem.
Seamless cover
Stylish finish
Seamless cover
Stylish finish
Review Summary
"Most reviewers like the Nest Protect wall plate for its clean finish and easy installation, saying it hides wall blemishes and matches the device well. A minority feel it’s overpriced or had minor fitment gaps."
Quick swap
Wall plate designed to provide a clean, finished look when installing Nest Protect units.
Quick swap
Wall plate designed to provide a clean, finished look when installing Nest Protect units.
Aesthetic & Personal Appeal
Tech-Savvy Living
Time-Saving Convenience
The Nest Protect Wall Plate is a premium accessory that conceals wiring and creates a clean, integrated appearance when replacing legacy detectors with Nest Protect units. Though more expensive than universal mounting brackets or disposable dust covers, it delivers aesthetic and installation convenience for homeowners who value a seamless finish and simplified retrofit. Its value proposition is design-focused: reducing visible repairs and speeding up replacements while pairing tightly with Nest's ecosystem.
Seamless cover
Stylish finish
Quick swap
Wall plate designed to provide a clean, finished look when installing Nest Protect units.
Covers mounting imperfections and matches common decor finishes for neat appearance.
Seamless cover
Stylish finish
Quick swap
Wall plate designed to provide a clean, finished look when installing Nest Protect units.
Covers mounting imperfections and matches common decor finishes for neat appearance.
The Solo A10 Smoke Detector Test Aerosol leads the market with its innovative formula designed specifically for challenging environments, ensuring reliable testing results. Its ease of use and ultra-precise trigger mechanism set it apart from competitors, allowing for accurate application without over-spraying. These features make it a preferred choice among professionals who appreciate precision and efficiency in smoke detector maintenance.
Reliable smoke simulation
Quick test solution
Reliable smoke simulation
Quick test solution
Review Summary
"The Solo A10 Smoke Detector Test Aerosol is praised for its effectiveness and ease of use, making testing smoke detectors a breeze for maintenance professionals."
Perfect for pros!
Reliable aerosol for smoke testing
Perfect for pros!
Reliable aerosol for smoke testing
Increased Safety & Security
The Solo A10 Smoke Detector Test Aerosol leads the market with its innovative formula designed specifically for challenging environments, ensuring reliable testing results. Its ease of use and ultra-precise trigger mechanism set it apart from competitors, allowing for accurate application without over-spraying. These features make it a preferred choice among professionals who appreciate precision and efficiency in smoke detector maintenance.
Reliable smoke simulation
Quick test solution
Perfect for pros!
Reliable aerosol for smoke testing
Compatible with various detector types
Reliable smoke simulation
Quick test solution
Perfect for pros!
Reliable aerosol for smoke testing
Compatible with various detector types
Technical Specifications
General
Nest Protect 2nd Generation sets the benchmark for smart smoke alarms, featuring Wi-Fi connectivity and smartphone notifications. Its unique split-spectrum sensor can detect different sizes of smoke particles, providing enhanced detection capabilities. Although it comes with a higher price tag, its smart features and integration with home automation systems make it ideal for tech-savvy households looking for maximum safety.
Self-testing superstar!
Connects to phone!
Self-testing superstar!
Connects to phone!
Review Summary
"The Nest Protect 2nd Generation stands out for its smart technology and robust safety features, earning high marks from users for innovation."
Alerts with flair!
Wi-Fi connectivity with smartphone alerts
Alerts with flair!
Wi-Fi connectivity with smartphone alerts
Increased Safety & Security
Time-Saving Convenience
Nest Protect 2nd Generation sets the benchmark for smart smoke alarms, featuring Wi-Fi connectivity and smartphone notifications. Its unique split-spectrum sensor can detect different sizes of smoke particles, providing enhanced detection capabilities. Although it comes with a higher price tag, its smart features and integration with home automation systems make it ideal for tech-savvy households looking for maximum safety.
Self-testing superstar!
Connects to phone!
Alerts with flair!
Wi-Fi connectivity with smartphone alerts
Voice alerts and location-specific notifications
Self-testing superstar!
Connects to phone!
Alerts with flair!
Wi-Fi connectivity with smartphone alerts
Voice alerts and location-specific notifications
Technical Specifications
General
$200-300 CAD