This is for an average american home however and will be undersized for hot arid climates like the southwest.
How many ton ac unit per sq ft.
Your air conditioner will need to be able to remove this much heat from your home per hour to keep a stable temperature.
Choose the 30 000 btu unit to make sure your comfort needs are covered.
The manufacturers do not list the air conditioner size on the unit.
Multiply this by 12 000 btus and you ll get 60 000 btus.
For example model gsx140241k is a 2 ton unit.
In general you should have approximately 1 ton of ac capacity to cool 600 sq ft.
To figure out what size air conditioner you require you first need to determine the amount of btus you require.
These machines are designed to handle even the most opulent home guaranteeing the comfort of everyone inside throughout even the warmest of months.
Residential central air conditioners come in a range of sizes from 1 5 ton to 5 ton models.
Instead of subtracting 1 0 instead subtract zero to get the appropriate ac size for hot and arid climates.
An air conditioner s cooling capacity is expressed in btuh british thermal units per hour or tons often referred to as tonnage.
This would require 4 39 tons of ac or 455 square feet per ton.
This is done by calculating your square footage.
If you have a one ton ac unit it means it has the ability to cool 12 000 btus an hour.
But your hvac dealer only has air conditioners that handle 24 000 or 30 000 btus.
Both offer a measurement of an air conditioner s cooling ability over an hour s time.
So for instance a 1 500 square foot home would look something like this.
1 500 x 30 45 000.
There are 12 000 btu s per ton.
Air conditioners are sized by the number of btus they put out.
Having a little extra power isn t bad.
When we talk about air conditioning a ton is the measurement of a units ability to cool.
Btus stand for british thermal units and refer to the amount of energy your air conditioner is using per hour.
Assuming one ton of cooling capacity can cool 400 square feet of your home you ll need about 5 0 tons of air conditioning capacity.
3 75 1 0 2 75 so you d need a 2 5 or a 3 ton sized central air conditioning unit.
For homes that range 3000 sq.
This estimate is most accurate in new construction or newer homes that have proper insulation.
This is close to the 400 square feet per ton sizing of the hvac industry in chicago and orlando but you will notice the variance due to us adding a kitchen and windows.
One ton of cooling capacity is equal to 12 000 btuh.
45 000 12 000 3 75.
Or more the best air conditioning unit will be a 5 0 ton.
The number 24 in the model number indicates the unit is 24 000 btu s divided by 12 000 btu s per ton equals 2 tons.