The mark consists of the fanciful design of the head and torso of a smiling service technician, with beige face, ears and hands, and wearing a light blue uniform and cap, which also includes a dark blue bill and red band, and a red tie. The technician is outlined in black has black line facial features and brown hair and is holding a gray wrench outlined in black in his raised left hand. Gray shadows are formed on the technician. He is positioned behind and his right arm is resting upon a red banner bearing the word "CERTIFIED" in white block letters wherein each letter includes a light blue line formed centrally there through. The red banner is wrapped around a dark blue ribbon located behind the technician The ribbon has a series of gray lines formed radially therein. The words "HEATING AND COOLING" are in red capital letters and are below the ribbon.