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Most air conditioners either run at full power or are completely off' but the Ducane 4AC16 uses a better method to keep you cool. On moderate days' it can operate at a low' energy-efficient speed' then ramp up to a higher speed with increased cooling capability for hotter days. So your system always runs at the most energy-efficient speed based on the temperature you’ve set.

• 16 SEER exceeds federal energy efficiency standards and assures you substantial energy savings' even during the hottest summer months
• Efficient' two-stage compressor is designed to operate at lower speed most of the time for quieter' money-saving operation
• Entire unit is 100% factory run-tested to help deliver the highest possible level of reliability
• Permanently lubricated condenser fan motor needs no annual maintenance
• Heavy-duty compressor sound blanket lowers operating noise
• Comfort Alert 2™ diagnostics is factory installed