"As we ‘spring ahead’ with daylight savings time, remember to check your smoke and carbon monoxide alarms," said State Fire Marshal Peter J. Ostroskey. "Working smoke alarms are key to surviving a fire. Unless you have newer alarms with 10-year sealed batteries, this is a good time to replace the alkaline batteries in your smoke and carbon monoxide alarms," said State Fire Marshal Ostroskey."Winter is not over, and our furnaces have been working hard.