Every home in Ontario must have a working smoke alarm installed on every level and outside all sleeping areas. Working smoke alarms can increase your family’s chance of survival in a fire by providing early warning for escape. Every second counts.As of April 2015, every home in Ontario with a fuel burning appliance or attached garage must have a working carbon monoxide alarm installed outside all sleeping areas. Working carbon monoxide alarms alert you to the presence of this colourless, odourless, tasteless and potentially deadly gas.Tips for smoke and carbon monoxide alarms:•When installing smoke and carbon monoxide alarms, read the manufacturer’s instructions on correct placement, testing and maintenance.•Test smoke and carbon monoxide alarms every month using the test button.•Replace smoke and carbon monoxide alarm batteries at least once a year and whenever the low-battery warning chirps.•Replace smoke alarms that have been in place for 10 years or longer. Replace carbon monoxide alarms that are seven years and older.•Avoid removing the battery in response to a sounding smoke alarm due to cooking or steam. Instead, move the smoke alarm to a better location or use the hush-button feature that will temporarily silence the alarm.•Consider installing combination smoke and carbon monoxide alarms with a 10-year lithium battery.Homeowners are responsible for installing and maintaining smoke and carbon monoxide alarms. Landlords are responsible for ensuring that their rental properties comply with the law. It is against the law for tenants to remove smoke or carbon monoxide alarm batteries or to tamper with the alarms in any way.Failure to comply with the Ontario Fire Code requirements could, upon conviction, result in a maximum fine of up to $50,000 for individuals, imprisonment, or both, and up to $100,000 for corporations, imprisonment, or both.More information is available at http://www.toronto.ca/fire/prevention.