Heatrex manufactures tubular heating elements, bolt heaters, immersion heaters, duct heaters, and circulation heaters for industry.

• See also:
• Masterformat 2004
• 23 50 00 - CENTRAL HEATING 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 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
• 26 26 00 - Power Distribution Units
• 26 30 00 - FACILITY ELECTRICAL POWER GENERATING AND STORING EQUIPMENT
• 48 00 00 - ELECTRICAL POWER GENERATION
• Masterformat 1995
• 15500 - Heat Generation
• 15720 - Air Handling Units
• 15760 - Terminal Heating and Cooling Units
• 16200 - Electrical Power
• 16470 - Power Distribution Units