Lennox Industries Inc. is a premium manufacturer of residential and commercial heating and air conditioning equipment and related products. It is recognized as the leader in high-efficiency comfort conditioning and is the oldest of the Lennox International companies.

• See also:
• Masterformat 2004
• 10 30 00 - FIREPLACES AND STOVES
• 23 30 00 - HVAC AIR DISTRIBUTION
• 23 31 00 - HVAC Ducts and Casings
• 23 31 13 - Metal Ducts
• 23 31 16 - Nonmetal Ducts
• 23 33 46 - Flexible Ducts
• 23 36 00 - Air Terminal Units
• 23 36 13 - Constant-Air-Volume Units
• 23 36 16 - Variable-Air-Volume Units
• 23 50 00 - CENTRAL HEATING EQUIPMENT
• 23 60 00 - CENTRAL COOLING EQUIPMENT
• 23 61 00 - Refrigerant Compressors
• 23 61 13 - Centrifugal Refrigerant Compressors
• 23 61 16 - Reciprocating Refrigerant Compressors
• 23 61 23 - Rotary-Screw Refrigerant Compressors
• 23 63 00 - Refrigerant Condensers
• 23 64 00 - Packaged Water Chillers
• 23 64 13 - Absorption Water Chillers
• 23 64 16 - Centrifugal Water Chillers
• 23 64 19 - Reciprocating Water Chillers
• 23 64 26 - Rotary-Screw Water Chillers
• 23 70 00 - CENTRAL HVAC EQUIPMENT
• 23 71 00 - Thermal Storage
• 23 72 00 - Air-to-Air Energy Recovery Equipment
• 23 72 13 - Heat-Wheel Air-to-Air Energy-Recovery Equipment
• 23 72 16 - Heat-Pipe Air-to-Air Energy-Recovery Equipment
• 23 80 00 - DECENTRALIZED HVAC EQUIPMENT
• 23 81 00 - Decentralized Unitary HVAC Equipment
• 23 81 13 - Packaged Terminal Air-Conditioners
• 23 81 16 - Room Air-Conditioners
• 23 81 26 - Split-System Air-Conditioners
• 23 83 00 - Radiant Heating Units
• Masterformat 1995
• 10300 - Fireplaces and Stoves
• 15610 - Refrigeration Compressors
• 15620 - Packaged Water Chillers
• 15670 - Refrigerant Condensing Units
• 15700 - Heating, Ventilating, Air Conditioning Equipment
• 15730 - Unitary Air Conditioning Equipment
• 15770 - Floor-Heating & Snow-Melting Equipment
• 15780 - Energy Recovery Equipment
• 15800 - Air Distribution
• 15810 - Ducts
• 15840 - Air Terminal Units