: Home Depot and Lowe's carry the largest in-stock selection of battery, plug-in, and hardwired models.
Based on recent tests and reviews by Consumer Reports and CNET , here are the leading options for 2026: Carbon Monoxide Alarms | CO Detectors - Battery & Plug-In where to buy carbon monoxide alarm
: Amazon offers broad variety, including budget-friendly multi-packs and advanced smart models. : Home Depot and Lowe's carry the largest
You can find a wide range of CO alarms at the following major retailers: Top Product Recommendations : Stores like Target ,
: You can find basic units at CVS Pharmacy or specialized monitors at FirstAlertStore.com . Top Product Recommendations
: Stores like Target , Walmart , and Costco typically stock standard battery and plug-in models.
Carbon monoxide (CO) alarms can be purchased from major home improvement stores, general retailers, and specialized safety equipment websites. In the U.S., the National Fire Protection Association recommends installing an alarm on every level of your home and inside each bedroom. Where to Buy