We're not the only ones that think highly of this unit. It's earned the ENERGY STAR Most Efficient 2012 designation (select sizes) along with applause from Consumer's Digest as a Best Buy winner. It's easy to understand why. This model is the quietest, most efficient air conditioner we make for starters. Add to that the fact that its two-stage compressor can make a real comfort difference when it comes to managing indoor humidity. And if you want the ultimate in comfort, make sure you combine the 24ANB1 with an Infinity indoor unit featuring a comfort-inducing variable-speed blower motor and manage it all with an Infinity control. It's the best way to assure you get the highest level of efficiency and cool comfort.

• Up to 21 SEER cooling efficiency
• Sound: as low as 65 decibels1
• Superior humidity and temperature control
• Two-stage compressor operation for ultimate comfort and quiet
• Compressor sound blanket and Silencer System II™ design
• Filter drier system protection from moisture and contaminants
• WeatherArmor™ Ultra protection
• Non-ozone depleting Puron refrigerant
• 10-year parts limited warranty2

EFFICIENCY

• Up to 21 SEER
• Up to 15 EER
• All sizes meet ENERGY STAR qualifications1
• Select sizes achieve ENERGY STAR Most Efficient 2012 designation

PERFORMANCE

• Compressor enhanced summer dehumidification when managed by the Infinity control
• Sound: as low as 65 decibels2

TECHNOLOGY

• Two-stage scroll compressor
• System protecting high and low pressure switches
• Sound reduction: compressor sound blanket, Silencer System II™ design and forward swept fan blades
• Filter drier
• Infinity level advanced diagnostic intelligence
• Recommended control: Infinity control

CAPACITIES

• 2-5 ton

REQUIREMENTS

• 208-230 V

AESTHETICS

• Heavy-gauge, galvanized steel construction
• Baked-on, durable powder coat paint
• Steel, louvered coil guard