Armstrong Air
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Two-Stage Performance

With two different cooling output speeds, these exceptional performers offer the ideal balance between smart energy use and serious comfort.

4SCU18LS
Up To 18.0 SEER
  • Up to 18.0 SEER Efficiency Rating*
  • Two-Stage Scroll Compressor
  • Comfort Sync Compatible
ENERGY STAR
4SCU16LS
Up To 16.0 SEER
  • Up to 16.0 SEER Efficiency Rating*
  • Two-Stage Scroll Compressor
  • Comfort Sync Compatible
ENERGY STAR

Single-Stage Performance

Enjoy consistent, reliable cooling and a home full of refreshing air.

4SCU14LE
Up To 16.0 SEER
  • Up to 16.0 SEER Efficiency Rating*
  • Single-Stage Scroll Compressor
  • Integrated Compressor Protection
ENERGY STAR
4SCU13LE
Up To 14.0 SEER
  • Up to 14.0 SEER Efficiency Rating*
  • Single-Stage Scroll Compressor
  • Integrated Compressor Protection
4SCU13LB
Up To 14.0 SEER
  • Up to 14.0 SEER Efficiency Rating*
  • Single-Stage Scroll Compressor
  • High Pressure Switch

* Due to Allied Air's ongoing commitment to quality, all specifications, ratings and dimensions are subject to change without notice. Consult AHRI directory for the latest performance ratings.