The color(s) green, red, blue, brown, white, black, gray is/are claimed as a feature of the mark.
"ZONE HEATING SAVES TURN ON THE HEAT IN THE ROOM YOU USE MOST TURN DOWN THE HEAT IN THE REST OF THE HOUSE"
The mark consists of THE WORDS "ZONE HEATING SAVES" IN WHITE LETTERS ON A BLACK BACKGROUND ABOVE THREE GREEN DOLLAR SIGNS AND THE WORD "ON" IN RED LETTERS ON A BLACK BACKGROUND AND THE WORD "DOWN" IN BLUE LETTERS ON A BLACK BACKGROUND AND THE WORDS "TURN THE HEAT IN THE ROOM YOU USE MOST TURN THE HEAT IN THE REST OF THE HOUSE" IN WHITE LETTERS ON A BLACK BACKGROUND BELOW A MODEL OF A HOUSE SHOWING THE OPEN ROOMS IN THE COLORS BROWN, BLUE, RED, GREY, WHITE, BLACK SHOWING TWO THERMOMETERS IN THE COLORS RED, BLUE, WHITE, BLACK, GREY.