SHORT WAVE INFRARED HEATERS IMPORTERS IN INDIA
India's industries are rapidly shifting towards smarter, faster, and more energy-efficient heating technologies and short-wave infrared heaters are at the forefront of that shift. As a leading short-wave infrared heater importer in India, Heat Source supplies high-performance shortwave IR heating solutions for a wide range of industrial processes, from automotive paint curing and plastics thermoforming to food processing and pharmaceutical drying.
Short-wave infrared heaters deliver intense, focused radiant energy at exceptionally high speeds, heating target surfaces in seconds rather than minutes. Operating at filament temperatures between 1,800°C and 2,600°C, they emit radiation in the 0.78–2 µm wavelength range, allowing deep penetration into many industrial materials. This translates into faster cycle times, reduced energy consumption, and significantly lower operating costs compared to convection or medium wave heating systems.
Built for demanding industrial environments, our shortwave IR heaters are available in standard configurations, and it can be tailored to your exact wattage, voltage, physical dimensions, reflector geometry, and mounting requirements if you require the product in bulk.
WHAT ARE SHORT WAVE INFRARED HEATERS?
Short-wave infrared heaters are high-intensity radiant heating devices that generate infrared radiation in the short wavelength band of the electromagnetic spectrum, typically between 0.78 µm and 2 µm. This is achieved by passing electrical current via a tungsten filament housed within a quartz glass tube, heating the filament to maintain the temperature between 1,800°C and 2,600°C. At these temperatures, the emitter radiates predominantly in the short-wave infrared band, producing intense, highly directional radiant energy.
Unlike convection heaters that warm the surrounding air and indirectly heat the target, short-wave infrared heaters transmit energy directly to the surface or material being heated. The radiation travels at the speed of light, reaches the target instantaneously, and is absorbed by the material, converting directly into heat with minimal losses to the environment. The result is a heating method that is faster, more efficient, and far more controllable than conventional alternatives.
Shortwave infrared heaters are typically enclosed in reflective housings that direct the radiation precisely onto the target zone. Reflector geometry, heater spacing, and working distance can all be engineered to create the exact heating pattern required by your process.
FEATURES OF SHORT WAVE INFRARED HEATERS
- Instant heat-up and cool-down — full operating power achieved within 1–3 seconds.
- Operating filament temperature range of 1,800°C to 2,600°C.
- Emission wavelength range of 0.78 µm to 2 µm (near-infrared to short-wave infrared band).
- Available wattage from 500 W to 15 kW per element, with custom wattages on request.
- Single-ended and double-ended (twin tube) emitter configurations.
- Gold-coated, anodised aluminium, or custom reflector housing options.
- Compatible with phase-angle fired thyristor control, SSR, and PID systems for precise power modulation.
- Quartz glass envelope with high infrared transmittance and thermal shock resistance.
- Tungsten filament construction for high-temperature stability and long service life.
- Available in linear, U-shaped, and custom-formed configurations.
- IP-rated enclosures available for dusty, humid, or wash-down environments.
- Suitable for single-phase and three-phase power supplies across standard industrial voltages (110 V, 220 V, 240 V, 415 V).
- Fully customisable element length, wattage, voltage, termination type, and reflector geometry.
- CE and RoHS compliant; BIS certification available.
HOW SHORT WAVE INFRARED HEATING WORKS?
Short-wave infrared heating operates on the principle of radiant energy transfer. Here is how the process unfolds from power-on to heat delivery:
Electrical Energisation
When power is applied, electrical current flows through the tungsten filament inside the quartz tube. The filament's high electrical resistance causes it to heat up rapidly, reaching operating temperature within one to three seconds of switch-on.
Infrared Radiation Emission
At operating temperature, the filament emits radiation predominantly in the short-wave infrared band (0.78–2 µm). The quartz envelope transmits this radiation with very low absorption, allowing the generated energy to exit the heater and travel towards the target.
Reflector Focusing
The radiation exits the quartz tube in all directions. A polished reflector, typically gold-coated or anodised aluminium, surrounds the emitter and redirects radiation towards the target surface, concentrating the energy and minimising losses to the surrounding environment.
Material Absorption
When the short-wave infrared radiation reaches the target material, it is partially absorbed, partially reflected, and partially transmitted depending on the material's infrared absorption characteristics at the given wavelength. Materials with high absorptivity in the short-wave band heat rapidly and efficiently. For materials with lower natural absorptivity, surface treatments or coatings can be used to improve absorption.
Rapid Temperature Rise
Because the energy is deposited directly into the target material rather than into the surrounding air, the temperature rise is extremely rapid. Short-wave infrared systems can achieve heating rates that are 5 to 10 times faster than convection systems of equivalent power, dramatically reducing process cycle times.
SHORTWAVE v/s MEDIUMWAVE INFRARED HEATERS
| Parameter | Short Wave Infrared | Medium Wave Infrared |
| Filament / Element Temperature | 1,800°C – 2,600°C | 700°C – 1,000°C |
| Emission Wavelength | 0.78 µm – 2 µm | 2 µm – 4 µm |
| Power Density | Up to 150 kW/m² | Up to 60 kW/m² |
| Radiant Efficiency | Up to 92% | Up to 60% |
| Penetration Depth | Deep — penetrates into the material | Surface and near-surface |
| Best For (Materials) | Paints, coatings, plastics, CFRP, composites, metals with coatings | Water-based coatings, paper, textiles, food products, aqueous systems |
| Energy Savings vs Convection | 50 – 70% | 30 – 50% |
| Typical Applications | Automotive paint curing, thermoforming, powder coating, CFRP consolidation, fast plastics processing | Drying of water-based products, textile drying, paper drying, gentle surface heating |
| Control Response | Extremely fast — ideal for precise on/off cycling | Slower — better suited to continuous steady-state processes |
| Element Life | 5,000 – 10,000 hours | 8,000 – 15,000 hours |
| Operating Voltage | 110 V – 415 V (single & three phase) | 110 V – 415 V (single & three phase) |
| Emitter Construction | Tungsten filament in quartz glass tube | Resistance coil or flat element in quartz or metal sheath |
| Reflector Requirement | Gold-coated or anodised aluminium reflector recommended | Standard aluminium reflector sufficient |
| Relative Capital Cost | Moderate to high | Moderate |
| Relative Operating Cost | Low — high efficiency and fast response | Low to moderate |
ADVANTAGES OF SHORT-WAVE INFRARED TECHNOLOGY
Instant On / Instant Off Response
Short-wave infrared heaters reach full operating power within one to three seconds and cool down equally fast. This eliminates the warm-up and cool-down losses associated with medium wave or electric resistance heaters, and enables precise process control, particularly valuable in intermittent or batch processes.
Superior Energy Efficiency
Because energy is transferred directly to the target material with minimal heating of the surrounding air, short-wave infrared systems achieve very high process efficiencies. Combined with instant response (no standby losses), shortwave IR systems typically deliver energy savings of 40–60% over conventional heating methods for the same process output.
High Power Density
Short-wave infrared heaters can deliver very high watt densities up to 150 kW/m² in a compact form factor. This makes them ideal for processes that require rapid, intense heating in a limited space.
Precise Directional Control
The combination of directional radiation and engineered reflector geometry means heat can be delivered exactly where it is needed, with sharp boundaries between heated and unheated zones. This is critical for processes involving heat-sensitive substrates or complex three-dimensional geometries.
Non-Contact Heating
Short-wave infrared heating requires no physical contact with the target surface. This eliminates contamination risks, prevents mechanical damage to delicate surfaces, and allows heating of moving substrates on continuous production lines.
Long Service Life
High-quality short-wave infrared emitters have rated service lives of 5,000 to 10,000 hours under normal operating conditions, significantly longer than gas-fired alternatives and comparable with medium wave systems, with the benefit of much higher power density and faster response.
Clean, Safe Operation
No combustion, no open flames, no exhaust gases. Short-wave infrared heaters operate entirely on electricity, making them safe for use in sensitive environments including food processing facilities, pharmaceutical plants, and cleanrooms.
APPLICATIONS OF SHORT-WAVE INFRARED HEATERS
- Plastics and Composites Processing
- Food processing, such as pasteurization/ sterilization
- Industrial Drying
- Printing
- Adhesives
- Paper Industry
- Semi-conductor industries
WHY CHOOSE HEAT SOURCE?
Heat Source is one of the oldest importers of infrared heating systems for a broad spectrum of industries across India. Our engineering team offers you the customisation that helps to understand your process temperature targets, substrate characteristics, line speeds, power, and space constraints. With 00 years of expertise, they import the units and help you with the needed minor customisation. This means consistent quality, complete traceability, and no dependency on third party for critical components.
Based in Mumbai, Heat Source serves all the major clients in Indian industrial centres including Pune, Chennai, Ahmedabad, Hyderabad, Bengaluru and Delhi. This is a reliable network that makes it easy for other businesses to connect with Heat Source. From pre-purchase application guidance to post-installation troubleshooting, our technical team is always available to support you at every stage of your heaters lifecycle.
One of the biggest reasons people choose Heat Source is we do not disappear after sale.
Standard Range of Short Wave Infrared Heater
| Code | Heated Length HL (mm) |
Overall Length OL (mm) |
Wattage (w) | Voltage (v) |
| SW 500 | 127 | 212 | 500 | 240 |
| SW 1000 | 254 | 348 | 1000 | 240 |
| SW 1600 | 406 | 500 | 1600 | 240 & 415 |
| SW 2000 | 508 | 626 | 2000 | 240 & 415 |
| SW 2000/950 | 850 | 950 | 2000 | 240 |
| SW 2000/1120 | 1120 | 1020 | 2000 | 240 & 415 |
| SW 2500 | 635 | 728 | 2500 | 240 & 415 |
| SW 3000 S | 508 | 626 | 3000 | 240 |
| SW 3000 D | 765 | 875 | 3000 | 415 |
| SW 4000 | 1120 | 1020 | 4000 | 415 |
All the above heaters are with round cap and 100 mm long lead wire at both ends. For horizontal mounting application only
Standard Range of Shortwave Infrared Heater Modules
| Overall Dimensions (mm) | Lamp Specification | ||||||
| Module Code |
Length | Width | Depth | Lamp Used |
Heated Length |
Watts | Volt |
| IRN 500 | 310 | 80 | 55 | IRN 500 | 127 | 500 | 240 |
| IRN 1000 | 460 | 80 | 55 | IRN 1000 | 254 | 1000 | 240 |
| IRN 1600 S | 610 | 80 | 55 | IRN 1600 S | 406 | 1600 | 240 |
| IRN 1600 D | 610 | 80 | 55 | IRN 1600 D | 406 | 1600 | 415 |
| IRN 2000 S | 725 | 80 | 55 | IRN 2000 S | 508 | 2000 | 240 |
| IRN 2000 D | 725 | 80 | 55 | IRN 2000 D | 508 | 2000 | 415 |
| IRN 2000 D | 825 | 80 | 55 | IRN 2000 D | 635 | 2500 | 415 |
| IRN 3000 S | 725 | 80 | 55 | IRN 3000 S | 508 | 3000 | 240 |
| IRN 3000 D | 975 | 80 | 55 | IRN 3000 D | 765 | 3000 | 415 |
Wider Module IRW type is available in above specifications with same lengths x 145 mm (width) x 80 mm (depth)
Frequently Asked Questions
What are short-wave infrared heaters used for?
Short-wave infrared heaters are used in industrial processes that require rapid, high-intensity, non-contact heating of surfaces or materials. Common applications of shortwave infrared heaters include paint and powder coating curing, plastics thermoforming and welding, automotive component heating, food processing, pharmaceutical drying, textile heat-setting, glass processing, and electronics manufacturing. They are particularly valued in applications where fast cycle times, energy efficiency, and precise thermal control are critical process requirements.
What industries use short-wave infrared heaters?
Short-wave infrared heaters are used across a wide range of industries including automotive manufacturing, plastics and composites processing, paint and coatings, food processing and baking, pharmaceuticals, textiles and nonwovens, wood and furniture manufacturing, glass processing, electronics, and paper and printing. Any industry that requires rapid, controllable, non-contact surface or bulk heating can potentially benefit from short wave infrared technology.
What is the advantage of short-wave IR heaters?
The primary advantages of short-wave infrared heaters are speed, efficiency, and precision. They reach full operating power within one to three seconds, eliminating warm-up losses entirely. They transfer energy directly to the target material rather than heating the surrounding air, achieving process efficiencies significantly higher than convection systems. Their high power density allows intense heating in a compact footprint, and their directional radiation enables precise control of heated zones. Across most industrial applications, shortwave IR systems deliver energy savings of 40–60% and cycle time reductions of 50–80% compared to conventional convection heating.
How long do short wave infrared heaters last?
High-quality short wave infrared emitters have a rated service life of 5,000 to 10,000 hours under normal operating conditions. Actual service life depends on several factors including operating voltage (running slightly below rated voltage significantly extends filament life), the frequency of on/off cycles (frequent thermal cycling reduces life), operating environment (excessive vibration or contamination shortens life), and quality of installation. Elements that are correctly specified, properly installed, operated within rated parameters, and protected from mechanical shock and contamination consistently achieve and often exceed their rated life.
Can short wave infrared heaters be customized for specific industrial applications?
Yes, you can connect with our team and they will be correct one to answer your queries. If you have a specific process requirement, share your application details with our engineering team and we will develop a solution tailored to your needs.
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