An air conditioner is definitely a good buy if you wish to have a comfortable indoor environment during hot summer days. When it comes to buying ACs, people just concentrate on the brand and type, they hardly give a second thought to the size of the AC and whether it is compatible with their homes or not. Buying the right sized AC is important because an AC that is too small will not be able to cool your house adequately while an AC that is too big will leave excess humidity in the house while consuming a lot of energy.
Calculating and choosing the right sized air conditioner is not rocket science. All you need to do is some basic mathematical calculations. You should measure the square foot area of the room first with the help of a tape measure. Just measure the length and breadth of the room and then multiply them. For rooms that aren’t square or rectangle in shape, just divide it into small square and rectangular sections and measure. For triangular sections in the room, simply divide the area of the rectangle/square by two to get the area of the triangle.
Square footage calculations is a must if you are considering central air conditioners. To make things easier, you can contact your county auditor or check the property tax statement to find out the square footage of your house. Do not take into consideration the rooms or areas that do not need air conditioning; for example: the basement.
Finally, you should find out the cooling capacity required for your house or room. BTUs or British Thermal Units are used for measuring the cooling capacity of individual AC units or central ACs. You can follow the handy table devised by the United States Department of Energy given below to find out your ideal AC unit size:
Area of room Recommended AC BTUs
100-299 sq. ft. 5000-7000 BTUs
300-549 sq. ft. 8000-12000 BTUs
550-999 sq. ft. 14000-18000 BTUs
1000-1199 sq. ft. 21000-24000 BTUs
1500-1999 sq. ft. 30000 BTUs
2000-2500 sq. ft. 34000 BTUs
Thus, you must follow the table to get a clear understanding of the ideal AC size to pick up in order to cool your room or house adequately. When you pick the right sized unit, you will be able to enjoy a comfortable and cool indoor environment while preventing the wastage of energy and saving money on your energy bills simultaneously!
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