The mark consists of depiction of a man's head wearing a green hat with shading and black outlining and a black shamrock in the center. The depiction has peach colored ears outlined in black and a peach colored face with orange freckles, hair, eyebrows and beard and dark green eyes and mouth. The depiction appears to be winking with his left eye and is smiling exposing his white teeth. A white dot appears on his nose and right eye. To the right of the depiction is a black banner with the literal element "DUGAN" written in white stylized font and "AIR" written in green stylized font and the literal element "HEATING & COOLING" directly below written in white stylized font with an orange line on each side. The banner has an inner gray outline and an outer dark green outline. The mark is against a white background which is not a feature of the mark.