To determine the BTU size needed for a 20 x 20 room, you can use the general rule of thumb that suggests about 20 BTUs per square foot of space. For a 400 square foot room (20 x 20), this would equate to approximately 8,000 BTUs. However, factors such as ceiling height, insulation quality, number of windows, and the number of occupants can affect the required BTU, so it may be prudent to adjust the size based on these variables.
About 8,000 BTU
5000 BTU's should work for a room that size.
A 12,000 BTU air conditioner can typically cool a room size of 350-550 square feet. This can vary depending on factors such as insulation, ceiling height, and sunlight exposure in the room. It's recommended to consider these factors when determining the appropriate size air conditioner for your room.
The recommended room size for a 9000 BTU air conditioner is around 350 to 400 square feet.
At least 8000 btu
usually 20 btu's per square foot so......12000 btu's should do fine
2000 sq. ft. x 5o (based on climate zone)=100,000 btus so; between 80k-100k(100,000 Btu's needed) 80% Efficient furnace: 125,000 Btu capacity; 90% Efficient:110,000 Btu capacity; 95% Efficient: 105,000 Btu capacity.go here.http://www.gasfurnacepricesonline.net/22/what-size-furnace-do-i-need-for-a-2000-square-foot-house/
82285btu.
btus needed to heat & cool 625sf room
12,000 btu's per hour is one ton of cooling. Air conditioners for houses run between 2500 btu's and 400,000 btu's depending on the size of the house and number of units. 1 10ft x 12ft x 8ft room needs about 12,000 btu's of cooling to maintain a 20 degree difference in temperature.
9000 Btu
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