AC tonnage is used for rating air conditioning systems.
Tons is the phrase, which denotes the conditioner's total cooling BTUs..
When AC says it's 3 tons, 4 tons, or 5 tons, it does not refer to the unit's weight.
Instead, it refers to how much heat your AC unit can remove from the in hour..
On the other hand, BTU is acronym for British Thermal Unit.
The amount of energy needed to increase 1 pound of temperature by one Fahrenheit...
Almost all air conditioners mention their BTU rating at the back, you how strong they are...
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