The T-Classâ„¢ 3-5 ton commercial air conditioners and heat pumps have efficiencies up to 13 SEER and 7.7 HSPF (region IV). Features include scroll compressors, high-efficiency outdoor coils, heavy-duty scroll casings, precision-balanced direct-drive fans, and coil guards. Fully enclosed fan motors are protected against the weather, dust, corrosion, and moisture. Crankcase heaters protect the compressor against refrigerant migration that can occur during low ambient operations. Brass service valves, centrally located refrigerant connections, and electrical inlets speed installation and maintenance.

Lennox Industries, Dallas, TX 75379; www.lennox.com

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