“The item description says it's 400sqft, but I'm the features and specifications it says it's 350sqft. Which one is it?”
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The 400 Sq. Ft and 350 Sq. Ft in the item description and specifications for this LG 400 Sq. Ft. Smart Portable Air Conditioner - Black, Model # LP0821GSSM are 'estimated cooling areas based on the air conditioner's BTU rating of 8,000 BTU. Some BTU calculators will calculate the estimated cooling area for 8,000 BTU as up to 400 Sq. Ft, but an 8000 BTU air conditioner can cool a space ranging from 200 to 550 square feet, depending on factors like insulation, window size, and occupancy. The average of 200 Sq. Ft. and 550 Sq. Ft. is 375 Sq. Ft, but as a general rule, about 20 BTUs of cooling are required per square foot of space. That means an 8.000 BTU air conditioner room size is 400 square feet, but if you look at some AC Size Room Size Table, the estimated cooling area for an 8,000 BTU air conditioner is listed a 300 - 350 Sq. Ft, for an 18 x 18 Ft. or studio apartment as an example. Keep in mind that these charts provide rough estimates, and other factors can affect the final BTU requirement such as Room Height, Sunlight Exposure, the Room Height of a room, the number of occupants in a room, and heat-generating appliances like ovens or electronics that can also increase the cooling load. In spaces like kitchens, you may need to add extra BTUs to compensate for this additional heat source...^Ivan.
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