HEIL QuietComfort® Deluxe 19 Two-Stage Central Air Conditioner - HCA9

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Up to 19 SEER cooling

Beat the heat with our highest-efficiency air conditioner featuring a two-stage compressor and variable-speed fan that quietly delivers optimum comfort and better levels of humidity control with up to 19 SEER. Pair it with a complete Observer® communicating system, including the Observer communicating wall control with Wi-Fi® capability, for the convenience of remote access along with improved energy-saving performance and comfort management.

Energy-star-cert-horz H-10yr-parts-4C-1x H-nh.10yr-1x

  • Up to 19 SEER cooling
  • Up to 14.5 EER cooling
  • ENERGY STAR® qualified

Features and Benefits

  • Quiet performance (as low as 66 decibels)*
  • Two-stage compressor for improved temperature and summer humidity control
  • Variable-speed fan works with compressor for best levels of quiet, efficient operation
  • 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 Observer® communicating wall control1
  • 10-Year No Hassle Replacement™ Limited Warranty+
  • 10-Year Parts Limited Warranty±



  • High-efficiency two-stage scroll compressor
  • High-efficiency variable-speed fan motor
  • 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: aerodynamic variable-speed fan, soft mounted compressor and high performance acoustic-absorbing compressor blanket
  • Compatible control: Observer® communicating control installed as part of a complete Observer communicating system for full function and efficiency capability, Wi-Fi® remote access convenience, and intelligent diagnostics
  • Non-ozone depleting R-410A refrigerant
  • Cooling capacity: 2–5 tons



Owner’s Manual


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

+No Hassle Replacement™ Limited Warranty: If compressor, coil or heat exchanger 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.

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