Introduction
Rising electricity costs, stricter hygiene compliance requirements, and increasing customer comfort expectations are major operational challenges for modern businesses. Maintaining indoor temperature while keeping entrances accessible can significantly impact energy efficiency and operational costs across industries.
Air curtains have emerged as one of the most effective solutions by creating an invisible air barrier that retains conditioned air while blocking dust, insects, and external pollutants.
Whether you’re running a restaurant, managing a cold storage facility, or operating a retail store, choosing the right air curtain can significantly impact your energy bills, customer comfort, and hygiene standards.
What is an Air Curtain and Why Do You Need One?
An air curtain (also called an air door) creates an invisible barrier of high-velocity air across door openings. This barrier:
- Reduces energy costs by up to 40%
- Blocks insects, dust, and pollutants
- Maintains indoor temperature year-round
- Improves hygiene
- Enhances customer comfort
Understanding Air Curtain Pricing
Air curtain prices vary depending on size, air velocity, material finish, and additional features like sensors or disinfection systems.
Choosing the Right Air Curtain Size for Your Door
| Door Width |
Recommended Model |
Applications |
| Up to 3 ft |
Aircon 3ft |
Small shops, offices |
| 3 - 3.5 ft |
Aircon 1 metre |
Retail stores, small restaurants |
| 3.5 - 4 ft |
Aircon 4ft |
Showrooms, cafes |
| 4.5 - 5 ft |
Aircon 5ft |
Restaurants, boutiques |
| 5.5 - 6 ft |
Aircon 6ft |
Hotels, supermarkets |
| 6.5 - 7 ft |
Aircon 2 metre |
Malls, wide entrances |
| 7+ ft |
Multiple units |
Warehouses, industrial |
How to Measure Your Door
- Measure full door frame width
- Add 5–10 cm for coverage
- Choose next size up
- Example: 3.5 ft → choose 4 ft model
Understanding Air Curtain Models
Air Velocity Options
- 15 m/s: Ideal for standard commercial use
- 18 m/s: Best for high-traffic, restaurants, and cold storage
Phase Options
- Single Phase – for shops, offices
- Three Phase – for industrial applications
Color Finishes
- Off-White – standard
- Chrome – premium look
Air Curtain Applications
Restaurants & Hotels
Maintains AC, blocks insects, supports hygiene compliance.
Cold Storage
Prevents cold loss, saves electricity, protects inventory.
Retail Stores
Keeps stores cool and comfortable with open doors.
Hospitals
Maintains sterile environment and prevents contamination.
Offices
Improves employee comfort and reduces AC load.
Industrial Facilities
Controls dust, temperature zones, and airflow.
Key Technical Specifications
Material Options
- MS Powder Coated – budget friendly
- Stainless Steel – hygienic and durable
Noise Levels
- Commercial: 50–60 dB
- Industrial: 65–70 dB
Installation Best Practices
- Install 10–15 cm above door
- Ensure proper electrical supply
- Maintain ventilation
- Use professional installation
Energy Savings Example
Restaurant example:
- Without air curtain: ₹25,000/month AC cost
- With air curtain: ₹16,250 – ₹17,500
- Net savings: ₹6,600 – ₹7,850/month
Common Mistakes to Avoid
- Buying undersized units
- Ignoring air velocity
- Skipping warranty
- Ignoring noise levels
- Poor installation
Why Choose Cosyst Devices?
- 30+ years of expertise
- Certified products
- Full service support
- Wide range of models
- Competitive pricing
Finding Reliable Suppliers
- Check service support
- Verify certifications
- Ask for references
- Confirm AMC availability
Frequently Asked Questions
Do air curtains consume electricity?
Yes, but only 300–500W, similar to 2–3 ceiling fans.
How long do air curtains last?
Typically 8–12 years with maintenance.
Do they stop insects?
Yes, high velocity models prevent flies and mosquitoes.
Are they noisy?
Standard models operate at conversation-level noise.
Air Curtain Buying Checklist
- Correct door size measured
- Proper air velocity selected
- Electrical compatibility checked
- Warranty verified
- AMC available
Making the Right Choice
Choose based on door size, industry needs, budget, and supplier reliability.
Quick Selection Guide
- Small shops: 4 ft, 15 m/s
- Restaurants: 5–6 ft, 18 m/s
- Industrial: 6 ft+, 18 m/s, 3 phase
Contact Cosyst Devices
Phone: +91 7292003326
Website: www.cosystdevices.com
Get your free quotation today and start saving energy!
