Enter area of windows in square feet.
Room size and ac tonnage.
When considering to purchase an air conditioner determination of the capacity of air conditioner one should opt for depends majorly on the area of the room in which the air conditioner has to be installed.
That means 180x25 4500 btu cooling capacity is needed.
To find the ton ac required you should know the length breadth and the height of the room.
Number of people occupying the room.
Choose an ac which is 1 2 tonnes.
So the formula goes total length feet x breadth feet x height feet now compare the total that you have arrived according to this chart.
That means 12x15 180 square feet.
Learn how to calculate the amount of ac tonnage required for a room with our tonnage calculator.
Try it now and make a smart decision.
The tonnage of ac required for a room depends on various important factors besides the room size like whether you have a big window in your room and the amount of sunlight that comes in the room whether sunlight falls on the walls of your room and whether your room is located on rooftop which gets hot due to sun whether any wall of the room is next to a hot place like kitchen wall with oven etc.
Times 25 btu per square foot and you get the minimum btu air conditioner you should buy.
The relation between the two is stated a.
Let s say the room is 12 feet wide by 15 feet long.
The central air conditioners that are installed in your home range from 1 5 ton to 5 ton units and increase in half ton increments 2 ton 2 5 ton 3 ton etc.
The room is 10 feet wide by 15 feet long and height is 20 feet double height.
The smallest central air conditioning unit is 18 000 btus 1 5 tons while the largest is 60 000 btus 5 tons.
If you have a one ton ac unit it means it has the ability to cool 12 000 btus an hour.
If you need a unit that has more than 5 ton cooling capacity then it is likely you will need multiple ac units.
Getting the right size ac unit for your house is very important if you want to have the desired level of comfort and good energy efficiency.
Take the 180 sq.
Enter room size in feet back.
Number of tubelights in the room.
Once you have the figure in feet just multiply all of the three to get a total.
This air conditioner calculator can only provide you the recommended output power of the ac in british thermal units per hour btu.
Residential central air conditioners come in a range of sizes from 1 5 ton to 5 ton models.