- 25 Best Smoke and Carbon Monoxide Detectors to Keep Your Home Safe
25 Best Smoke and Carbon Monoxide Detectors to Keep Your Home Safe Ranked & Reviewed for 2025
Ensure your home safety with the best smoke and carbon monoxide detectors. Stay protected with our top picks!

Google Nest Protect Smart Smoke and Carbon Monoxide Alarm
$199.99Features:
Comprehensive Detection, Smartphone Connectivity, Voice Alerts, Self-Testing, Easy Installation
What We Think:
"This is the ultimate combination of safety and convenience! Think of it as your home's guardian angel, always ready to alert you from anywhere, even while grabbing coffee."
Why You'll Love It:
"Get real-time alerts on your phone and enjoy voice notifications that tell you exactly what’s wrong—so you’re never left in the dark."

Google Nest Protect 2nd Generation Smart Smoke/Carbon Monoxide Wired Alarm
$149.99Features:
Hardwired Connection, Pathlight Function, Clear Voice Alerts, Synchronized Sensors, Emergency Notifications
What We Think:
"Imagine having a personal assistant for your home's safety—this sleek setup not only detects threats but also lights up your path in the dark. It’s perfect for the midnight snack runs!"
Why You'll Love It:
"Highly rated for its reliability and ease of use, plus you can silence alarms directly from your smartphone—who doesn't love tech that minimizes stress?"

Google Nest Protect Smart Smoke/Carbon Monoxide Alarm, 2 Pack Bundle
$329.99Features:
Two Pack, Wired Connection, Self-Testing, Smartphone Alerts, Clear Voice Alerts
What We Think:
"Double the protection, double the peace of mind! These two units keep watch over larger spaces or multiple rooms without breaking the bank."
Why You'll Love It:
"Always know what’s happening in your home and test from your phone—safety just got a high-tech upgrade!"

Nest Protect Smoke & Carbon Monoxide Alarm - Wired (2nd Gen)
$159.99Features:
Wired, Voice Alerts, Pathlight, Self-Testing Functionality
What We Think:
"If you’re looking for a dependable wired option that doesn't require battery changes, this is it! The voice alerts are like having an extra set of ears in your home."
Why You'll Love It:
"It not only protects you but adds a modern look to your home safety setup, plus it’s super easy to install!"

X-Sense 10-Year Battery Combination Smoke Carbon Monoxide Alarm
$37.99Features:
10-Year Battery Life, LCD for CO Readings, Quick Installation
What We Think:
"For anyone who likes fuss-free options—this unit lasts a decade with zero battery changes! Plus, the LCD keeps you informed of CO levels—how cool is that?"
Why You'll Love It:
"Budget-friendly yet feature-rich, it's great for families who want to stay safely ahead of trouble!"

Ring Alarm Smoke & CO Listener
$34.99Features:
Compatibility with Smart Detectors, Easy Setup
What We Think:
"This nifty gadget turns your old smoke alarms into smart alarms without the costly replacements—because who doesn’t want to save money while staying safe?"
Why You'll Love It:
"Maximize existing alarms and get smartphone alerts—it's like giving your old tech a superpower!"

First Alert Hardwired Dual Sensor Smoke Alarm with Battery Backup
$59.00Features:
Dual Sensor, Easy Test Button, Battery Backup for Power Outages
What We Think:
"Hardwiring ensures a steady performance, and let’s face it: no one wants to deal with a dead battery at the wrong moment! Perfectly reliable when emergencies strike."
Why You'll Love It:
"A great balance between budget and functionality—protection doesn’t have to come at a high cost."

FIRST ALERT BRK 3120B-3 Hardwired Smoke Detector with Photoelectric and Ionization
$149.99Features:
3-Pack, Photoelectric and Ionization Sensors, Easy Installation
What We Think:
"Need more than one unit? This is your go-to! Separately or together, these alarms cover all bases by catching fast-burning and smoldering fires."
Why You'll Love It:
"Trusted by many, these alarms come with features that let you sleep easy knowing your home is secure."

BRK First Alert 9120BFF/S Smoke Detector, Hardwired with Battery Backup
$19.25Features:
Hardwired, Battery Backup, Test/Silence Button
What We Think:
"Simple yet effective! This unit covers all the basics while staying reliable during power outages, and the test button means easy maintenance."
Why You'll Love It:
"Perfect for anyone looking for straightforward safety options—no fancy gadgets, just peace of mind!"

Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery Powered
$143.80Features:
Easy Installation, LED Warning Lights, 2-in-1 Detection
What We Think:
"This practical option brings you efficiency and simplicity! With LED notifications keeping you informed, it’s perfect for peace of mind on a budget."
Why You'll Love It:
"Battery-powered and self-testing—great features for easy upkeep at home!"