FIRST CO USA INC. repairs, services, and upgrades SCR Power Controllers for Industrial Manufacturers. Since the inception of First Co in 1992, Parts Sales, Panelbuilding, and Value-added Services are included.

• See also:
• Masterformat 2004
• 23 50 00 - CENTRAL HEATING EQUIPMENT
• 23 60 00 - CENTRAL COOLING EQUIPMENT
• 23 70 00 - CENTRAL HVAC EQUIPMENT
• 23 73 13 - Modular Indoor Central-Station Air-Handling Units
• 23 73 23 - Custom Indoor Central-Station Air-Handling Units
• 23 74 00 - Packaged Outdoor HVAC Equipment
• 23 75 00 - Custom-Packaged Outdoor HVAC 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 81 43 - Air-Source Unitary Heat Pumps
• 23 81 46 - Water-Source Unitary Heat Pumps
• 23 82 00 - Convection Heating and Cooling Units
• 23 82 16 - Air Coils
• 23 82 19 - Fan Coil Units
• 23 82 23 - Unit Ventilators
• 23 82 26 - Induction Units
• 23 82 33 - Convectors
• 23 82 36 - Finned-Tube Radiation Heaters
• 23 82 39 - Unit Heaters
• Masterformat 1995
• 15700 - Heating, Ventilating, Air Conditioning Equipment
• 15720 - Air Handling Units
• 15730 - Unitary Air Conditioning Equipment
• 15740 - Heat Pumps
• 15760 - Terminal Heating and Cooling Units