To figure out what size air conditioner you require you first need to determine the amount of btus you require.
How to measure square feet of a room for air conditioner.
Here is another very quick and basic way to figure out the size of an ac unit based on the number of square feet in your house.
These btu calculations are based on a standard room with 8 foot.
This air conditioner room size calculator also known as an ac btu calculator will help you decide what size of air conditioner to buy so you can be efficiently cool or heat your room of course the choice of brand and air conditioner type still depends on you.
Window air conditioners typically have a cooling capacity ranging from 5 000 to 12 500 british thermal units btu hr.
Make sure to exclude the square footage of your attic basement garage unless you are using any of them as living spaces.
Air conditioner room size calculator.
Like most appliance the efficiency of the heater or air conditioner decrease with usage.
This means separating out closets bump outs and hallways each as.
For instance if the room is a rectangular 10 feet by 20 feet the area would be 200 square feet.
How to calculate square footage of your room.
If the room is a perfectly square 20 feet by 20 feet the total area would be 400 square feet.
Shape of the home.
Single room air conditioner size calculator chart.
The first step in choosing a room air conditioner is measuring your space to calculate square feet.
You need to take into account the size of the room the number and size of windows the height of the ceilings and the climate.
This air conditioner calculator can only provide you the recommended output power of the ac in british thermal units per hour btu.
Buying an air conditioner is an important purchase and it is worth your time to make sure you do it right.
Air conditioner btu chart.
It is important that when talking about a single room or split system air conditioners every situation is different.
A long narrow house has more wall than a square house with the same square footage which means heat loss.
It is not uncommon for an air conditioner to loss 50 or more of its efficiency when running with insufficient liquid refrigerant.
Each air conditioner or heater is rated to produce a certain number of btus.
To get the right number you will need to do some measuring and a little geometry.
So let us cover a couple simple geometric formulas to get us started.
Break up each room into as many squares and rectangles as you need to be able to measure the entire space accurately.
This table provided by energy star can be used to get a very rough estimate of how many btus you need to cool a given area.
Take the total amount of square feet in your home.
This is done by calculating your square footage.
The chart below is a great starting point for sizing your ac.