NO COOL AIR WITH VENT OR AC IN 2000 BUICK LESABRE

2000 BUICK LESABRE FULLY LOADED- V6 – WHEN IN VENT AND AC POSITION (COOL AIR), NOTHING BUT HOT AIR COMES OUT. THIS IS IN IDLEING POSITION AND WHEN RUNNING ON HIGHWAY. ALSO CLEAR DROPPLETS OF WATER WITH MINIMAL WHITE SMOKE WHEN IDLEING WITH HEAT RUNNING. NO SMOKE ONCE WARMED UP AND MOVING, BUT STILL NO COOL AIR WHEN MOVING. OVERALL CAR RUNS GREAT…..