||American Standard offers
a full line of Allegiance® air conditioners, with efficiencies
from 11 to 19+ SEER – among the highest in the industry.
The higher the rating, the greater the efficiency, and
the more you can save on your energy bills. Our Allegiance®
family gives you a wide range of comfort choices, from
our single-stage up to our two-compressor, highest efficiency
model with its two-stage cooling and humidity control