Weather News; Calif. fire leaves behind 'moonscape' as it threatens more communities Los Angeles Times; Storms may mean White Christmas, travel headaches AccuWeather; Northeast cities face brutal week of bitter cold, snow AccuWeather
You can either go for a 1 ton AC or a 1.5 ton AC depending upon the amount of light that enters the room, area and direction of windows, the floor on which your room is situated, number of people occupying the room and the number of lights.
1 Single Room Air Conditioner Capacity - typically for rooms up to 20' x 20' or 400 sq.ft. in area. BTUs in this product range are typically from 6,000 BTUh to 10,000 BTUh.  Multiple Room Air Conditioner Capacity - typically for a total area of up to 800 sq.ft.