Answer Posted / s muthu kumar
Ton = tonage
tonage is the measuring of the Air con
it is capcity of the air condition
ex: we purchase the one tube from shop we tell like that
45Watts tube please
like that we call the air con capacity in ton(tonage)
0.5 ton ac,0.75ton Etc.....
Abouve mnetioned BTU also in a Measuring Units.
it is call British thermal Unit
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