Premium Hot Air Generator Manufacturer in India | Up to 600°C
As a leading Hot Air Generator Manufacturer in India, Thermokrupp Boilers delivers custom-engineered, energy-efficient industrial hot air generators for drying, curing, baking, and sterilization — with temperatures from 100°C to 600°C.
🏆 ISO 9001:2015 Certified
🛡️ IBR Approved Manufacturer
🌍 CE Certified (Export)
🇮🇳 Made in India – Dadri, UP
⭐ 5-Year Warranty
What is a Hot Air Generator (HAG)?
A Hot Air Generator (HAG) is an industrial heating system that efficiently heats air via combustion (gas, oil, biomass, coal) and transfers clean, dry, high-temperature air directly to your process. It ensures precise, uniform, moisture-free heat — essential for food, pharma, textile, and chemical industries.
Technical Specifications: TK-HAG Series
| Model |
Air Output Temp |
Fuel Type |
Heat Exchanger Material |
Max Airflow (CMH) |
| TK-HAG-300 |
Up to 300°C |
Gas / Diesel |
Mild Steel / Corten |
5,000 – 12,000 |
| TK-HAG-450 |
Up to 450°C |
Oil / Gas / Biomass |
Stainless Steel (SS304) |
8,000 – 20,000 |
| TK-HAG-600 |
Up to 600°C |
Biomass / Coal / Oil |
Stainless Steel (SS316) |
15,000 – 30,000+ |
*Custom configurations available: temperature, airflow, multi-fuel. Contact our engineering team for a tailored design.
Industrial Hot Air Generator Buyer’s Guide: How to Select the Right System
Choosing the right Hot Air Generator affects energy efficiency, product quality, and operational costs. Focus on Airflow (CMH) and Temperature Rise (Delta T).
1. Core Metrics: CMH and Delta T
CMH (Cubic Meters per Hour) = volume of air required.
Delta T = outlet temp minus ambient inlet temp. Proper calculation prevents fuel waste or production bottlenecks.
2. Direct-Fired vs. Indirect-Fired
Indirect-Fired HAG: 100% contamination-free air — ideal for food, pharma, chemicals.
Direct-Fired HAG: 99% efficiency for construction, non-sensitive drying.
3. Fuel Source Selection
Gas/Oil: precise control (±1°C). Biomass/Solid Fuel: up to 40% lower operating cost.
4. Material & Durability
Up to 300°C → Corten steel. 300°C–600°C → SS304 / SS316L heat exchangers for longevity.
📋 Pre-purchase checklist: Required outlet temperature, airflow (CMH), application type, fuel availability, installation space footprint.
Thermokrupp Industrial Hot Air Generator: Advanced indirect / direct fired designs for clean, uniform heat.
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High-Efficiency Burner
Precise combustion for diesel, gas, biomass, coal – reliable heat generation with low emissions.
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Advanced Heat Exchanger
SS304/SS316 construction for indirect heating – 100% clean air, zero contamination.
Direct-Fired vs. Indirect-Fired Hot Air Generators
⚡ Direct-Fired HAG
Combustion gases mix with process air. 99–100% efficiency. Ideal for curing, space heating, non-critical drying. Lower initial cost.
🌿 Indirect-Fired HAG
100% clean, uncontaminated hot air via heat exchanger. 85–92% efficiency. Required for food, pharma, chemicals. Our specialty.
⚙️ Thermokrupp Advantage: Both configurations available. Indirect models: SS316 heat exchangers guarantee zero contamination for sensitive production lines.
Key Benefits of Our Industrial Hot Air Generators
✔ High-Temperature Output
Up to 600°C without high-pressure risks.
✔ Superior Energy Efficiency
Low fuel consumption, minimal heat loss.
✔ Uniform & Precise Heating
Consistent temperature distribution.
✔ Moisture & Dust-Free
Clean process air, no contamination.
Why Choose Thermokrupp as Your Hot Air Generator Manufacturer?
IBR Certified
ISO 9001:2015
ASME Compliant
5-Year Warranty
⚙️
Custom-Built
Tailored capacity, fuel, temperature.
⭐
Premium Quality
Thicker gauges, certified materials.
🛡️
Compliance & Safety
IBR, ISO, third-party tested.
🔧
End-to-End Support
Installation, AMC, spares.
Explore More Industrial Heating Solutions
Industries We Serve
Food Processing & Baking
Textile & Garment
Pharmaceutical & Chemical
Paper & Pulp
Rubber & Plastic Drying
Paints & Coatings Curing
Hot Air Generator Manufacturer: Your Top 5 Questions Answered
1️⃣ What certifications should a reliable Hot Air Generator Manufacturer have?
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Thermokrupp Boilers is a certified Hot Air Generator Manufacturer holding:
- ✓ IBR (Indian Boiler Regulations) – Mandatory for pressure parts in India
- ✓ ISO 9001:2015 – International quality management standard
- ✓ ASME Compliant – American Society of Mechanical Engineers standards
- ✓ CE Certified Components – For export markets
Always ask your manufacturer for these certificates. We provide copies with every proposal.
2️⃣ Are you a direct manufacturer or just a supplier/trader?
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Thermokrupp is a 100% direct manufacturer, not a trader. We own and operate our fabrication facility in Dadri, Gautam Budh Nagar.
🏭 10,000+ sq.ft. Factory
🔧 25+ Skilled Engineers
⚙️ In-house Design Team
📅 15+ Years Experience
Why this matters: Direct manufacturing means lower cost, complete quality control, and faster after-sales service.
3️⃣ Can you manufacture custom Hot Air Generators for my specific application?
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Yes – customization is our core strength as a manufacturer. Unlike dealers who sell standard boxes, we engineer every system to your exact process.
📐 We customize:
✓ Temperature: 100°C to 600°C (even higher on request)
✓ Fuel: Biomass, coal, diesel, natural gas, LPG, or multi-fuel
✓ Airflow: 500 CMH to 50,000+ CMH
✓ Material: MS, SS304, SS316 for heat exchangers
✓ Mounting: Horizontal, vertical, or skid-mounted
Your specifications + Our engineering = Perfect fit. Send us your requirements and we will draft a GA drawing for approval.
4️⃣ What is the typical manufacturing lead time for a custom HAG?
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As a manufacturer with full control over our production floor, we offer the following lead times:
| System Type |
Manufacturing Time |
| Standard Design (300°C) |
4-5 weeks |
| Custom Engineered (450°C) |
6-8 weeks |
| High-Temperature (600°C) / Special Alloy |
8-10 weeks |
🚀 Expedited option available: Need it faster? We can prioritize your order for an additional 15% rush fee subject to material availability.
5️⃣ Why are your prices lower than other manufacturers but quality higher?
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This is the direct manufacturer advantage. We eliminate 3 layers of markup:
❌ Other Suppliers:
Factory → Distributor → Trader → You
+30% to +50% added cost
✅ Thermokrupp:
Factory → You
0% middlemen. 100% quality.
Plus: We use thicker gauge materials than industry standard and provide a 5-year warranty because we control our own fabrication. Most traders offer only 1 year.
6️⃣ What after-sales support do you offer as the manufacturer?
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Because we are the manufacturer, we don’t outsource support. We provide:
- ✅ On-site installation supervision
- ✅ Operator training (2 days included)
- ✅ Remote troubleshooting via video call
- ✅ Spare parts dispatch within 24 hours
- ✅ Annual Maintenance Contracts (AMC)
- ✅ Performance tuning after 6 months
📞 Direct Hotline: You speak directly to our senior engineers, not a call center.
Still have questions about choosing the right Hot Air Generator Manufacturer?
🏭 Speak to Our Manufacturing Head
Get a detailed quote within 24 hours | Free technical consultation