4 ton
american standard furnace Model # G2D80CT100D148-3A
There are a few ways to decipher the American Standard model number on one of their AC units. The model number is located on a placard on the unit itself. There is also listings of this information on the American Standard website by looking up the specific unit name.
trane owns American standard. Both are the same thing. Think American standard is more of a residential model though.
5 Ton.
4 ton
2.5 ton
This is a straight cool 13 SEER condensing unit that uses R410a refrigerant. This is not a heat pump.
It`s found in the condensing unit model #.
Standard American English
4 Tons or 48,000 BTU
This is a 5.0 ton 12 SEER straight cool condensing unit.
furnace highest rating is 97 % efficient for a residential model. This is known as a condensing furnace.