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Change your clocks and batteries in all smoke and carbon monoxide alarms

HAMILTON, ON – When clocks fall back one hour on Sunday, November 1 at 2 am for Daylight Savings Time, the Hamilton Fire Department is recommending residents install new batteries in smoke and carbon monoxide alarms when they change their clocks.

To survive a fire, occupants need to know one exists. Working smoke alarms provide this protection. Smoke alarms are required on every storey of the home and outside of all sleeping areas. For added protection, it is recommended to also install smoke alarms inside all bedrooms.

Carbon monoxide alarms must be installed outside all sleeping areas if a home has a fuel-burning appliance, fireplace or attached garage.

Tampering with or removing the batteries from your smoke and carbon monoxide alarms is against the law. Failure to comply with the Fire Code can result in a ticket of $360 or a fine of up to $50,000.    

For more information, contact the Hamilton Fire Department – Fire Prevention Division by calling 905-546-2424 ext. 1380 weekdays between 8:30 am and 4:30 pm or online at

“In order for smoke and carbon monoxide alarms to do their job, they need to have working batteries. When you change your clocks this weekend, remember to also install new batteries in all alarms to protect yourself and your family. The Hamilton Fire Department also recommends that you check the expiry dates on your alarms and test them to ensure they are working.” - David Cunliffe, Fire Chief, Hamilton Fire Department