The SmartComfort Enviromax 2400 air-conditioning unit uses R-410A refrigerant and features 14-SEER efficiency. The unit features a Copeland scroll compressor and two-speed fan that works with an aerodynamic fan chamber and a Durawhisper slanted top to reduce operating sound levels, according to the manufacturer. The coil guard inlet grille is enhanced with resin mesh for improved coil protection. The unit includes a 10-year limited warranty on the compressor and a five-year limited warranty on all other functional parts.

International Comfort Products, P.O. Box 128, Lewisburg, TN 37091.