Carrier Infinity 24VNA9 Review

Carrier Infinity 19VS 24VNA9 Air Conditioner

Carrier is a premium HVAC brand, and the Infinity 19VS 24VNA9 is one of their high-end air conditioners. Built for precise comfort, consistent performance, and energy-efficient cooling, this unit is ideal for homeowners seeking an upgraded system and willing to invest in top-tier technology.

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.

About the Infinity 19VS 24VNA9

Average Price (with installation): $5,000 – $7,500+

Top Features:

• Multi-speed compressor for superior efficiency and comfort

• Excellent temperature and humidity control

• Reliable and long-lasting performance

• Advanced design features to increase durability

• Compatible with Infinity System Control smart thermostat

• Exceptional indoor air quality

• Extremely quiet operation

The Bottom Line

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.

In-Depth Review

Product Specifications:

Key Features:

Multi-Speed Compressor

• 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

Quiet Operation

• Silencer System II reduces vibration

• Soft start system

• Forward-swept fan blade design

• Compressor sound blanket

• Pressure equalizer valve

Custom Comfort Settings

• Compatible with Infinity System Control smart thermostat

• Wi-Fi access for remote management

• Supports multiple temperature zones

Air Quality & Durability

• 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

Warranty Information

• 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

Comparable Models

Price Comparison: Infinity 24VNA9 vs. Performance 24ACC6

• 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

Features Comparison: Infinity 24VNA9 vs. Comfort 24ABC6

• 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

Tier Comparison: Infinity 24VNA9 vs. Infinity 26 with Greenspeed® Intelligence 24VNA6

• 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

Final Thoughts

The Carrier Infinity 19VS 24VNA9 is a premium, multi-speed air conditioner designed for homeowners who want advanced efficiency, precise comfort, and quiet operation. With five-stage performance, inverter technology, and smart thermostat compatibility, it offers excellent indoor air quality, energy savings, and reliable operation for many years.