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This review covers the pricing, key features, specifications, warranty information, and how the 24VNA9 compares to other Carrier models in terms of tier, price, and features.
Installed Price Range: $5,000 – $7,500+
Efficiency Rating: Up to 19 SEER
Compressor Type: Multi-speed (5-stage)
Sound Rating: As low as 56 dB
ENERGY STAR® Certified: Yes
Best For: Homeowners seeking quiet, efficient, and precise cooling
Why Choose It: Excellent humidity control, long-term reliability, smooth performance, and smart technology integration
Average Installed Price: $5,000 – $7,500+
Five-stage variable-speed compressor
ENERGY STAR® certified efficiency
Infinity System Control compatibility
Silencer System II™ noise reduction
Advanced humidity management
Durable WeatherArmor™ Ultra cabinet
Excellent indoor air quality features
Quiet operation (as low as 56 dB)
Precise multi-stage cooling for ultimate comfort
Energy-efficient performance with inverter technology
Extremely quiet operation compared to standard ACs
Superior indoor humidity control
Advanced diagnostics for easy servicing
Smart thermostat and zoning compatibility
Improved indoor air quality
Durable construction with WeatherArmor™ Ultra
Long, reliable cooling system lifespan
The Infinity 19VS 24VNA9 is a premium air conditioner that delivers years of dependable performance. Its five-stage compressor allows the unit to operate at lower speeds for extended periods, maximizing energy savings, improving humidity control, and minimizing temperature fluctuations.
For peak cooling demand, the system can increase output to maintain comfort, while the inverter continuously adjusts performance based on indoor and outdoor conditions. Paired with Carrier’s Infinity System Control, the 24VNA9 enables advanced zone management and energy optimization.
| Specification | Details |
|---|---|
| Compressor | Multi-speed (5 stages) |
| SEER | Up to 19 |
| ENERGY STAR® Certified | Yes |
| Decibel Rating | As low as 56 dB |
Five-stage operation for precise temperature and humidity control
Runs at lower speeds for energy efficiency and comfort
Ramps up as needed to maintain consistent indoor climate
Silencer System II reduces vibration
Soft start system
Forward-swept fan blade design
Compressor sound blanket
Pressure equalizer valve
Compatible with Infinity System Control smart thermostat
Wi-Fi access for remote management
Supports multiple temperature zones
Advanced diagnostics system
Heavy-gauge steel cabinet with WeatherArmor Ultra protection
Coil guard for additional protection
Filter drier prevents moisture and acid damage
Ozone-friendly refrigerant
High- and low-pressure switches for system protection
Microtube coil technology reduces size and prevents corrosion
Registered Warranty: 10-year limited parts and compressor coverage (registration within 3 months of installation required)
Standard Warranty: 5-year coverage without registration
Registration requires: owner contact info, HVAC installer details, installation date, and unit model/serial number
✔ Five-stage variable-speed compressor
✔ Extremely quiet (as low as 56 dB)
✔ Advanced humidity control
✔ ENERGY STAR certified
✔ Infinity System Control compatibility
✔ Improved indoor air quality
✔ Highly durable and reliable
✘ Higher upfront cost compared to mid-tier units
✘ Requires Infinity controls for full features
✘ More complex installation
✘ Not ideal for small budgets
Performance 24ACC6: Mid-tier model ($4,500 – $6,000)
SEER rating: 17 (lower than 24VNA9)
Single-stage compressor
Lacks inverter and Infinity System Control compatibility
Still a reliable, energy-efficient option for most Canadian homes
Comfort 24ABC6: Entry-level model
Single-stage compressor (less efficient, louder)
SEER rating: 17
No inverter or Infinity System Control compatibility
Includes some sound-reducing and protective features
Ideal for homeowners on a smaller budget
Infinity 26: Top-of-the-line model
Variable-speed compressor (adjusts 25–100% capacity)
SEER rating: 26
Advanced humidity management and quiet operation
Includes 10-year replacement warranty for compressor failure
Unlocks Greenspeed Intelligence when paired with Infinity System Control
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Installation complexity – Electrical upgrades, line sets, or duct fixes add cost.
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Repair vs. replacement – Full replacements cost more than simple fixes.
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Yes, some distributors may still have stock, although the model is discontinued.
It offers up to 19 SEER with ENERGY STAR® certification.
Yes, it operates as low as 56 dB—much quieter than standard ACs.
A five-stage variable-speed compressor for smooth, precise cooling.
Yes, when paired with Carrier’s Infinity System Control.
Homeowners seeking premium performance, humidity control, and quiet operation.
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