How Many Ton Ac Unit Per Sq Ft

An air conditioner s cooling capacity is expressed in btuh british thermal units per hour or tons often referred to as tonnage.

How many ton ac unit per sq ft.

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. One ton of cooling capacity is equal to 12 000 btuh. But your hvac dealer only has air conditioners that handle 24 000 or 30 000 btus. This estimate is most accurate in new construction or newer homes that have proper insulation.

3 75 1 0 2 75 so you d need a 2 5 or a 3 ton sized central air conditioning unit. Multiply this by 12 000 btus and you ll get 60 000 btus. Or more the best air conditioning unit will be a 5 0 ton. If your btu requirement is between sizes simply go with the bigger unit.

1 500 x 30 45 000. 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. There are 12 000 btu s per ton. Both offer a measurement of an air conditioner s cooling ability over an hour s time.

To figure out what size air conditioner you require you first need to determine the amount of btus you require. For example model gsx140241k is a 2 ton unit. These machines are designed to handle even the most opulent home guaranteeing the comfort of everyone inside throughout even the warmest of months. Having a little extra power isn t bad.

The manufacturers do not list the air conditioner size on the unit. Choose the 30 000 btu unit to make sure your comfort needs are covered. Btus stand for british thermal units and refer to the amount of energy your air conditioner is using per hour. For homes that range 3000 sq.

45 000 12 000 3 75. Instead of subtracting 1 0 instead subtract zero to get the appropriate ac size for hot and arid climates. Your air conditioner will need to be able to remove this much heat from your home per hour to keep a stable temperature. Residential central air conditioners come in a range of sizes from 1 5 ton to 5 ton models.

This is done by calculating your square footage. The system capacity will be coded into the model number of the outdoor unit. 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. This is for an average american home however and will be undersized for hot arid climates like the southwest.

For example the manual j calculation may say you need 25 000 btus for cooling. This would require 4 39 tons of ac or 455 square feet per ton. If you have a one ton ac unit it means it has the ability to cool 12 000 btus an hour. In general you should have approximately 1 ton of ac capacity to cool 600 sq ft.