Allegiance Series Units are available  in 13 through 18 SEER


  • Allegiance 13 - A more efficient model than previous model
    years, and the new standard in efficiency. These units
    include a larger coil area and better compressor.

  • Allegiance 14 - A higher efficient model which uses the best
    in sound deadening and compressor technology.  

  • Allegiance 15 - This product qualifies for the Energy Tax
    credits available under the Economic Stimulus Package of
    2009.

  • Allegiance 16 - A higher efficient model that uses a 2 stage
    compressor with a variable speed outdoor condenser fan,
    combined with a variable speed indoor blower and get up to
    a 17.5 SEER rating!

  • Allegiance 20 - The highest efficient model available! This
    unit uses two compressors for the ultimate in 2 stage
    performance! It is also a fully communicating system.
Heritage Series Heat Pump Units are available  in 13 through 18 SEER

  • Hertiage 13 - A more efficient model which includes a larger
    coil area and better compressor. Available in R22 or new
    R410A refrigerant.

  • Heritage 14 - A higher efficient model which uses the best in
    sound deadening and compressor technology.  Available in
    R22 and R410A models.

  • Heritage 15 - A new product designed to meet most 13 SEER
    or higher energy requirements due to occur 1-26-06. Available
    in R22 only.

  • Heritage 16 - A higher efficient model that uses a 2 stage
    compressor with a variable speed outdoor condenser fan,
    combined with a variable speed indoor blower and get up to a
    17.5 SEER rating! Available in R410A only.

  • Heritage 18 - The highest efficient model available! This unit
    uses two compressors for the ultimate in 2 stage performance!
    Available in R22 only.
American Standard Outdoor Units are available in Allegiance Series A/C units
and Heritage Series Heat Pump Units.