How many btu to cool a room. Room to be cooled square feet 550 to 700. Btu chart based on room size. Another quick and easy way to estimate the number of btus required is with this helpful chart.
If you want to properly cool down a 300 square foot area or room you need a 6000 btu air conditioner. So for example if your room to be cooled is approximately 10 x 25 you would have a 250 square foot space to cool and would require a 5000 btu unit to handle the job. Obviously the problem arises when you have a very small 1212 room for example.
So a good rule of thumb is 20 btus per square foot. Capacity needed btus per hour 8000. If the room you are planning on installing an air conditioner in is the kitchen you need to factor in additional btus for the stove oven and microwave.
Room to be cooled square feet 450 to 550 capacity needed btus per hour 12000. Room to be cooled square feet 350 to 400 capacity needed btus per hour 9000. As a general rule of thumb for every person over an initial 2 people add 600 btus.
Explore a number of other housing related calculators as well as hundreds of other calculators addressing finance math health fitness and more. Add about 4000 btus to the unit size to cover this. The result is the btu requirement for cooling a room with the details you entered is of 12980 btuh this is approximately 3804 kw 18 mar 2015 search.
Two free calculators estimate the number of btus needed to cool or heat a room or house based on its size insulation and the geographical climate among other conditions. For example if youre trying to heat 1000 square feet in a cold climate 30000 40000 btus will add significant warm air to your home. According to the us department of energy directive the most appropriate size of an air conditioner would be 2880 btu unit.