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C5A8T
Ion™ Two-Stage Air Conditioner

Enjoy comfort without compromise, thanks to our variable-speed air conditioner with SmartSenseTM technology. This whisper-quiet system senses changing conditions and adapts so you can stay comfy with outstanding efficiency. And when it gets extra hot and sticky outside, you'll feel the difference with enhanced dehumidification inside. For maximum performance along with the convenience of remote access, pair it with a complete Ion communicating system, including the energy-smart Ion™ Black System Control with Wi-Fi® capability.

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Ion 17 Two-Stage Air Conditioner
  • Two-stage compressor

    Two-stage compressor for improved temperature and summer humidity control

  • Weather and debris protection

    Durably built with tight wire grille and protective corner posts to withstand bad weather and debris

  • Durable design for lasting performance

    Designed for corrosion resistance and lasting performance



  • Quiet performance (as low as 69 decibels)*
  • Two-stage compressor for improved temperature and summer humidity control
  • Durably built with tight wire grille and protective corner posts to withstand bad weather and debris
  • Designed for corrosion resistance and lasting performance
  • Wi-Fi® enabled remote access with the Ion™ Black System Control1
  • 10-Year No Hassle Replacement™ Limited Warranty±
  • 10-Year Parts Limited Warranty+
  • High-efficiency two-stage scroll compressor
  • System protecting high- and low-pressure switches and filter drier
  • Durable, protective tight wire grille panels allow easy coil cleaning; corner posts for extra strength and style
  • High-gloss, baked-on powder coat finish over galvanized steel
  • Sound-reducing features: soft-mounted compressor, and high performance acoustic-absorbing compressor blanket
  • Compatible control: Ion™ Black System Control installed as part of a complete communicating system for full function and efficiency capability, Wi-Fi remote access convenience, and intelligent diagnostics
  • Lower global warming potential R-454B refrigerant
  • Cooling capacity: 2–5 tons
Efficiency Rating Efficiency Rating help_outline
Up to 18 SEER2 cooling / Up to 13.5 EER2 cooling
Sound level Sound level help_outline
As low as 69 decibels
Communicating Capability Communicating Capability
Wi-Fi® enabled remote access with the Ion™ Black System Control
No Hassle Replacement<sup>TM</sup> Limited Warranty No Hassle ReplacementTM Limited Warranty help_outline
10-Year No Hassle Replacement™ Limited Warranty+
Parts Warranty Parts Warranty
10-Year Parts Limited Warranty±
Energy Star<sup>®</sup> Qualified Energy Star® Qualified help_outline
U.S. Environmental Protection Agency voluntary program that helps protect climate through energy efficiency
Fan Motor Fan Motor
Single-speed fan works with compressor for better levels of quiet, efficient operation
Compressor Compressor
Two-stage compressor for improved temperature and summer humidity control
Cooling capacity Cooling capacity
2-5 tons
Refrigerant Refrigerant
Lower global warming potential R-454B refrigerant

*Quietest size within each model group during most common cooling operating condition.

+ No Hassle Replacement™ Limited Warranty: If compressor or coil fails due to defect during the applicable No Hassle Replacement limited warranty time period, a one-time replacement with a comparable unit will be provided.

± 10-Year Parts Limited Warranty: Timely registration required for 10-year parts limited warranty. Limited warranty period is 5 years if not registered within 90 days of installation. Jurisdictions where warranty benefits cannot be conditioned on registration will receive the registered limited warranty periods. Please see warranty certificate for further details and restrictions.

1 Wi-Fi® is a registered trademark of the Wi-Fi Alliance Corporation.

California residents please see Proposition 65