Long-Lasting- Quantum Coil Technology defends against corrosion in harsh environments for years of trouble-free cooling;Energy Savings- Up to 17 SEER Performance qualifies your customers for lucrative money-saving rebates;Quiet Cooling- Designed with a sound dampening system to cool your home quietly, even on the hottest days of the year;Installer-Friendly- Units weigh up to 29 lbs. less, making your installations quicker and safer