Factory Direct
Custom Electric HVAC Duct Heater Systems
Engineered for commercial buildings, cleanrooms, pharmaceutical AHUs, and industrial ventilation systems, our custom electric duct heaters provide primary space heating and reheat temperature control with complete SCR thyristor automation.
Key Engineering Features
- Engineered with genuine Nichrome 80/20 resistance wire and electro-grade MgO insulation.
- Custom sheath alloys available: SS304, SS316L, Incoloy 800/840, Grade 1 Titanium, and Copper.
- Voltage compatibility: 220V/240V 1-Phase, 415V 3-Phase, and 480V export standard.
- 100% in-house quality inspection: Dielectric flash testing up to 2500V AC and Megger IR testing.
Technical Specifications & Build Parameters
Standard manufacturing ranges and customization capabilities
| Capacity | 1 kW to 500 kW |
| Duct Sizes | Custom built to client duct dimensions |
| Voltages | 220V 1-Ph / 415V 3-Ph (50 Hz) |
| Safety | Primary auto cutout (90°C), manual cutout (125°C), airflow switch |
| Electrical Supply | 110V, 220V, 240V (Single Phase) | 380V, 415V, 480V (3-Phase, 50/60 Hz) |
| Quality Testing Standards | 2500V Dielectric Flash Test • > 100MΩ Insulation Resistance Test |
| Dispatch Hubs | Chennai Manufacturing Plant • Coimbatore Regional Sales Office • Pan-India Freight |
Industrial Supply Across Coimbatore, Tamil Nadu & South India
Global Industrial Heaters supplies Custom HVAC Duct Heater System to major industrial estates, OEMs, textile mills, plastics factories, and process facilities across:
Coimbatore & Western TN
Kurichi SIDCO, Peelamedu, Ganapathy, Singanallur, Eachanari, Thudiyalur, Tiruppur textile belt, Salem steel works, Erode, and Hosur SIPCOT industrial corridor.
Chennai & Northern TN
Madambakkam Plant Works, Guindy Industrial Estate, Ambattur Industrial Estate, Sriperumbudur SIPCOT, Oragadam Auto Corridor, Maraimalai Nagar, and Thirumudivakkam.
Bangalore, Kerala & Exports
Bengaluru (Peenya, Bommasandra, Jigani, Whitefield), Kochi KINFRA (Kalamassery & Eloor), Palakkad, UAE (Dubai, Abu Dhabi), and USA export 480V 3-Phase designs.
Frequently Asked Questions About Custom HVAC Duct Heater System
What safety interlocks are integrated into duct heater banks?
Every duct heater includes an automatic reset thermal cutout, a secondary manual reset cutout, and differential pressure airflow interlocks.
Can these duct heaters connect to Building Automation Systems (BMS)?
Yes, our control panels accept 0–10VDC or 4–20mA analog inputs for seamless integration with commercial BMS systems.