Air conditioner and heat dispenser

In an evaporative air temperature conditioner adapted for installation to draw and impel exterior air into a building and comprising an air blower and driving means therefor, said blower having an air inlet opening and connecting with an air outlet duct generally for discharging the air into an occupant space of the building;

• a housing having a generally horizontal bottom member, a generally horizontal top member and upstanding side members, the side, top and bottom members being sealably connected to capture a space therewithin enclosing the blower air inlet;
• at least one air admitting, air permeable, water impregnable pad communicating with the exterior air and closing an opening provided therefor in at least one of the housing members;
• and means controllably directing water to said pad;
• the improvement comprising:
• a heat exchanger disposed between the pad and the air inlet and having a fluid inlet and a fluid outlet and a passage therethrough connecting the fluid inlet and outlet, so that heat exchanger fluid may be circulated through the heat exchanger;
• means directing cooled air from the pad to the heat exchanger;
• and
• air valving means carried by the air outlet duct directing air selectably from the blower into the occupant space or diverting said air therefrom.