Home Heating Systems0On April 15, 2016April 19, 2016By Fire ChiefIn Fire & SafetyTags furnaces Maintenance is Not an Option Have your chimney inspected and cleaned annually by a certified specialist. Insulate chimneys and place spark arresters on top. Extend the chimney at least three feet above the roof. Remove branches hanging above and around the chimney. Have A Fire Safety and Evacuation Plan.