Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

Use our guide to find the right smoke detector. Read article now.

Smoke Detectors

104 results


Related Products

Smoke Detectors for Reliable Alerts and Everyday Home Fire Awareness


Smoke Detectors alert household occupants when smoke is detected and are an important part of a home fire-safety setup. Available in battery-operated, hardwired and interconnected configurations, these alarms offer options for different rooms and electrical setups. Browse the selection at Lowe’s to find options suited to your home.


Benefits of Home Smoke Alarms

  • Audible Alerts: These devices sound an alarm when smoke is detected to help notify household occupants.
  • Multiple Power Options: Choose battery-operated or hardwired models based on your home’s electrical setup and replacement needs.
  • Interconnected Coverage: Compatible interconnected units can activate additional alarms when one device detects smoke.
  • Flexible Detection: Photoelectric, ionization and dual-sensor models provide different detection configurations for household fire-safety needs.


Key Features of Smoke Alarms

  • Power Source: Select battery-operated, hardwired or battery-operated smoke alarms according to your existing setup.
  • Sensor Type: Available models may feature photoelectric, ionization or dual-sensor technology.
  • Interconnectivity: Wired or wireless compatible units can communicate with other alarms in the same system.
  • Alert Features: Some models include voice notifications, hush buttons, status indicators or low-battery alerts.


How to Choose a Smoke Detector

  • Power Requirements: Determine whether the installation location is configured for a battery-operated or hardwired model.
  • Sensor Selection: Choose a sensor configuration based on product specifications and your planned household setup.
  • System Compatibility: Confirm that replacement or additional units are compatible with existing interconnected devices.
  • Detection Needs: Consider combination smoke and carbon monoxide alarms or separate plug-in carbon monoxide detectors when carbon monoxide monitoring is also needed.


Smoke detectors are available in several power, sensor and connectivity configurations to suit different household setups. Battery backup and interconnected models support specific monitoring needs while combination alarms provide another option to consider. Complete your fire-safety setup with fire extinguishers where appropriate. Shop the selection at Lowe’s to find alarms and related fire-safety products for your home.

Frequently Asked Questions