Specializes in gas heating equipment.

• See also:
• Masterformat 2004
• 23 50 00 - CENTRAL HEATING EQUIPMENT
• 23 54 00 - Furnaces
• 23 54 13 - Electric-Resistance Furnaces
• 23 54 16 - Fuel-Fired Furnaces
• 23 60 00 - CENTRAL COOLING EQUIPMENT
• 23 70 00 - CENTRAL HVAC EQUIPMENT
• 23 80 00 - DECENTRALIZED HVAC EQUIPMENT
• Masterformat 1995
• 15530 - Furnaces
• 15700 - Heating, Ventilating, Air Conditioning Equipment