As a "rule of thumb", room sizes between 300 to 450 sq. ft. can be cooled by portable units ranging from 8000 to 10,000 Btu while room sizes between 350 to 550 square. ft. can be best satisfied with units your past 12,000 to 16,000 Btu range. Many services earlier, in addition to room size, additional heating factors in area need become taken note. These factors include are usually not limited to direct sunlight entering room, excessive window exposure, skylighting, poor insulation, effects of… Продолжить