WEATHERMAKER

GAS, OIL, OR COAL HOT AIR FURNACES FOR WARMING HOUSES AND FOR CONDITIONING, PURIFYING, AND CIRCULATING THE AIR; AIR COOLING OR DEHUMIDIFYING UNITS; AIR CONDITIONING UNITS EMPLOYING REFRIGERANTS FOR COOLING OR DEHUMIDIFYING AND PARTS THEREOF; AND SELFCONTAINED AIR CONDITIONING UNITS EMPLOYING REFRIGERANTS FOR COOLING OR DEHUMIDIFYING