The mark consists of the design of a light blue detached house against a circle background in white, light blue, blue and green colors. The circle is outlined in green, gray and blue colors, with a blue arrow design at the end of the blue outline. To the right of the circle design appears an electrocardiographic line in blue color, outlined in black. Above the electrocardiographic line appear two vertically stacked rectangles outlined in black and filled in blue and green colors separately, inside which appear respectively the stylized wordings "INDOOR AIR QUALITY MEDICS" and "HEATING & AIR CONDITIONING" in white color. Below the electrocardiographic line appears the stylized wording "YOUR FIRST RESPONDERS IN HOME COMFORT" in white color, outlined in black.