Similar to window and centralized types, the cooling capacity of portable types is also measured in British Thermal Units (BTUs). The BTU ratings of portables range from 5000 to 12000. Greatly assist compact form-factor, these models are developed to cool smaller spaces like bedrooms, study rooms or offices. For example, a 5000 BTU portable is the requirement for 150 sq. ft. room.If you need to install an...