Space-Ray, Inc., a manufacturer of infrared heaters for industrial and commercial applications,

• See also:
• Masterformat 2004
• 23 50 00 - CENTRAL HEATING EQUIPMENT
• 23 55 00 - Fuel-Fired Heaters
• 23 55 13 - Fuel-Fired Duct Heaters
• 23 55 23 - Gas-Fired Radiant Heaters
• 23 55 33 - Fuel-Fired Unit Heaters
• 23 60 00 - CENTRAL COOLING EQUIPMENT
• 23 70 00 - CENTRAL HVAC EQUIPMENT
• 23 80 00 - DECENTRALIZED HVAC EQUIPMENT
• Masterformat 1995
• 15540 - Fuel-Fired Heaters
• 15700 - Heating, Ventilating, Air Conditioning Equipment