How many btu air conditioner for 1100 sq ft?

For an 1100 square foot area, a general guideline is to use about 20 BTUs per square foot, which would suggest an air conditioner with a capacity of approximately 22,000 BTUs. However, factors such as ceiling height, insulation quality, and the number of occupants can affect this estimate. It's advisable to consult with an HVAC professional for a more tailored recommendation based on specific conditions.