Protect your home and family with carbon monoxide alarms
- The law requires carbon monoxide alarms to be installed on every level of your home, including habitable portions of basements and attics, in most residences.
- On levels with sleeping areas, carbon monoxide alarms should be installed within 10 feet of bedroom doors.
- When purchasing a carbon monoxide alarm, be sure to look for the approval label of an independent testing company, such as Underwriter’s Laboratory (UL), International Approval Service (IAS), or Canadian Standards Association (CSA). Most carbon monoxide alarms that are sold in the Commonwealth meet these standards, but it’s a good idea to check before buying.
- Carbon monoxide alarms may be
- Battery operated with battery monitoring
- Plug-ins with battery back-up
- Low voltage systems
- Qualified combination
- Replace carbon monoxide alarms every 5 to 7 years, depending on the make and model.
- Newer CO alarms have a 10-year sealed battery that does not need changing. At 10 years, the entire device is replaced.
- If you have a plug-in model, be aware that the battery will run down during an extended power outage and may need to be replaced.
More information can be found here.