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Air Curtain 4 Feet | Aluminium Body | Standard Series

₹18,699 ₹30,159

4 ft (1.2 m) aluminium-body air curtain for shop fronts, clinics & medium showroom doors. Single-phase 220 V, 240 W twin-motor, 2000 CFM peak airflow — strong barrier against flies, dust and AC loss at standard storefronts.

  • 💨 2000 CFM high · 1450 CFM low · jet reach ~3.0 m
  • ⚡ 240 W · 220 V single-phase · 2 motors / 4 blowers
  • 🛡️ Aluminium body · ≤65 dB · ~12.0 kg · HSN 8414 59 10
  • 📍 ISO 9001:2015 Noida · 1-year warranty · pan-India dispatch

📖 Read full specs, install guide & buyer FAQ ↓

❓ Frequently Asked Questions

How long does installation take for the 4 feet Standard Aluminium air curtain?
Installation takes 2-3 hours by a 2-person team for a 4 ft (1220 mm) aluminium-body unit — lighter weight makes it faster than CRCA equivalent. Includes wall/ceiling bracket mounting at 2.2-2.5 m height, 220 V single-phase wiring with MCB, and ON/OFF switch commissioning. Doorway pre-checks: lintel structural support ≥ 15 kg, clean 230 V supply (PF > 0.85), and 0.3-0.5 m horizontal clearance.
What is the operating cost of the 4 feet Standard Aluminium air curtain?
At 240 W rated draw and Rs 8/kWh commercial tariff, the 4 ft Standard Aluminium unit costs roughly Rs 1.92/hour. Typical retail/office duty cycle is 6-9 hours/day, giving Rs 13-Rs 17/day. Without 2-speed control the unit runs at full power throughout duty cycle — if your doorway needs variable airflow throughout the day, consider the Advanced Aluminium variant instead.
Why choose Standard Aluminium over Advanced Aluminium?
Standard Aluminium is the right pick when: (1) budget is the primary constraint — Standard tier saves ~25% on capex vs Advanced; (2) doorway duty cycle is consistent — you don't need 2-speed switching; (3) simple ON/OFF is preferred — no IR remote or digital panel to train staff on; (4) humid/coastal protection is critical — you still get aluminium body benefits over CRCA. Choose Advanced Aluminium if you need 2-speed control, IR remote, digital panel and auto-restart.
What is the payback period from AC savings?
In typical Indian retail/F&B doorways with HVAC running 8-10 hours/day, the 4 ft Standard Aluminium unit pays back in 8-10 months from reduced HVAC load alone (10-18% AC kWh saved at full-speed operation). Lower capex than Advanced tier accelerates effective payback. Verified across deployments in Noida, Gurugram, Mumbai and Chennai SME retail clusters.
What is the HSN code and GST rate?
HSN code is 8414 59 10 (fans — other; industrial). GST is 18% (CGST 9% + SGST 9% intra-state, or IGST 18% inter-state). GSTR-2B ITC available against B2B GSTIN invoices — we issue full e-invoice with IRN and QR for orders above Rs 5 lakh as per CBIC mandate.
Does it ship with a warranty?
Yes — 1-year standard manufacturer warranty against motor and electrical defects from invoice date. Aluminium body carries 5-year corrosion warranty against pitting/oxidation under normal operating conditions. Pan-India service via authorized partners in 18 cities. WhatsApp +91 99977-78202 for service queries.
Standard kit selected (recommended)Change thickness / quality ▾
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Estimated delivery: Nov 08 - Nov 12
✔ ISO 9001:2015 certified✔ GST invoice (ITC)✔ Warranty card with every unit✔ Manufacturing since 2009
Supplied to: Aditya Birla Fashion & Retail · Parle Biscuits · Indo Nissin Foods · Encalm Hospitality · Regal Remedies · Maharaja Agrasen Hospital + 14 more
Quantity
✅ GST Invoice  ·  ✅ ISO 9001:2015  ·  ✅ Manufacturer Warranty  ·  ✅ Pan-India Delivery  ·  ⭐ 4.9/5 (45 Google reviews)  ·  Since 2009

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SKU: 240 WATTS-2 MOTOR 4 BLOWERS-2000 CFM (H), 1450 CFM (L)-220 V; SINGLE PHASE, 50 HZ-4 FEET-STANDARD

Categories: Aluminium Body Air Curtains

Standard vs Premium vs Advanced — what actually differs

For a given size, all three deliver the same airflow, wattage and CFM. The difference is not the specification — it is the grade of the components behind it. A 100% copper motor can be sourced at very different price points; the rating stays the same while life, durability and support do not. That grade is what separates these three series, and the onsite warranty reflects it.

StandardPremiumAdvanced
Best suited forShops, offices, showroomsHotels, malls, hospitalsFactories, warehouses, cold storage
Duty cycleRegular daily useExtended daily operation24×7 continuous
Motor gradeEntry-grade 100% copperHigher-grade 100% copperIndustrial premium-grade
Expected service life3–5 years8–10 years15–20 years
Onsite warranty1 year3 years5 years
Airflow / wattage / CFMSameSameSame

Body gauge and bearing type are common across the range; the difference lies in component quality and sourcing.

Is the 4 ft Aluminium Standard air curtain right for your door?

This model covers doors wider than 1 m (3.3 ft) and up to 4 ft wide. The air curtain should be at least as long as the door opening, so the air stream covers the full width. It is typically used on regular shop and showroom doors, restaurant entrances, banks, ATMs and office receptions. If your door is wider than 4 ft, choose the 5 ft model. Doors wider than 7 ft use two or more units side by side; the door size price finder works out the exact combination.

The aluminium body is light and a good fit for shops, offices and showrooms. Price for this model: ₹18,699, GST and installation included. The final quote is confirmed on WhatsApp after we see a photo of your door.

Aluminium Standard series: all sizes

SizeDoor widthPrice (GST + installation)
2 ftup to 2 ft₹13,199
3 ft> 2 ft to 3 ft₹16,499
1 m (3.3 ft)> 3 ft to 1 m (3.3 ft)₹17,049
4 ft (this model)> 1 m (3.3 ft) to 4 ft₹18,699
5 ft> 4 ft to 5 ft₹21,449
6 ft> 5 ft to 6 ft₹23,649
7 ft> 6 ft to 7 ft₹26,949

Other 4 ft options

Quick answers for the 4 ft model

Which door width does a 4 ft air curtain suit?
Doors wider than 1 m (3.3 ft) and up to 4 ft wide. For a wider door, go to 5 ft.

Is installation included in the ₹18,699 price?
Yes. The price includes GST and standard installation. Send your door photo on WhatsApp to confirm the final quote.

When should I choose the Aluminium body?
The aluminium body is light and a good fit for shops, offices and showrooms. For food, pharma or wet areas, see the 4 ft SS304 Standard (₹26,179).

Enter your door size - get the right air curtain and exact price
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Prices live from our catalogue, GST-inclusive. Final quote is confirmed on WhatsApp after a door photo.

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The 4 ft Aluminium Standard air curtain is built for doors up to 4 ft (1.2 m) wide. 2 Indian copper motors and 4 cross-flow blowers deliver 2,000 CFM at up to 23 m/s on 240 W, enough to seal the full opening against hot air, dust and flies. The aluminium body is light and suits shops, offices and showrooms.

4 ft Aluminium Standard at a glance

Door widthup to 4 ft (1.2 m)
Model no.ACX120
Dimensions1200 × 210 × 235 mm
Motors / blowers2 Indian copper motors and 4 cross-flow blowers
Power240 W
Airflow (High / Low)2,000 / 1,450 CFM
Air velocityup to 23 m/s
Noise50 dB
Mount height2.2 – 2.5 m
BodyAluminium
Weight18 kg
Supply220 V · single-phase · 50 Hz
HSN8414 59 10

Where the 4 ft model is used

Regular shop and showroom doors, restaurant and cafe entrances, banks, ATMs and office receptions.

4 ft vs the sizes next to it (Aluminium Standard)

1 m4 ft (this model)5 ft
Door widthup to 1 mup to 4 ftup to 5 ft
Airflow1,500 CFM2,000 CFM2,500 CFM
Motors / blowers2 / 32 / 43 / 5
Power200 W240 W320 W

Included with the Aluminium Standard series

Aluminium body; Indian copper motors; mounting kit and user manual; warranty: 1 year replacement on motor + blower assembly; GST tax invoice with ITC eligibility; dispatch: 3–5 working days (pan-India surface freight). Volume pricing on 10+ units.

4 ft air curtain: common questions

Will a 4 ft air curtain cover a 4 ft door?
Yes. It matches the door width, and the 2,000 CFM stream covers the full opening when mounted at 2.2 – 2.5 m.

How much power does the 4 ft Aluminium Standard use?
240 W on High speed, on a 220 V · single-phase · 50 Hz supply.

My door is a little wider than 4 ft. What should I choose?
Go one size up to the 5 ft Aluminium Standard (2,500 CFM).


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Frequently Asked Questions

Find answers to common questions about this product

Installation takes 2-3 hours by a 2-person team for a 4 ft (1220 mm) aluminium-body unit — lighter weight makes it faster than CRCA equivalent. Includes wall/ceiling bracket mounting at 2.2-2.5 m height, 220 V single-phase wiring with MCB, and ON/OFF switch commissioning. Doorway pre-checks: lintel structural support ≥ 15 kg, clean 230 V supply (PF > 0.85), and 0.3-0.5 m horizontal clearance.

At 240 W rated draw and Rs 8/kWh commercial tariff, the 4 ft Standard Aluminium unit costs roughly Rs 1.92/hour. Typical retail/office duty cycle is 6-9 hours/day, giving Rs 13-Rs 17/day. Switch to Low speed during quiet hours to cut this further.

Standard Aluminium is the right pick when: (1) budget is the primary constraint — Standard tier saves ~25% on capex vs Advanced; (2) the curtain runs regular daily shop hours rather than round the clock; (3) humid/coastal protection matters — you still get aluminium body benefits over CRCA. Choose Advanced Aluminium if the unit runs 24×7 or you want the 5-year warranty and the free automatic door sensor. All three series give the same airflow and have a High/Low 2-speed switch; they differ in motor, blower and housing grade.

In typical Indian retail/F&B doorways with HVAC running 8-10 hours/day, the 4 ft Standard Aluminium unit pays back in 8-10 months from reduced HVAC load alone (10-18% AC kWh saved at full-speed operation). Lower capex than Advanced tier accelerates effective payback. Verified across deployments in Noida, Gurugram, Mumbai and Chennai SME retail clusters.

HSN code is 8414 59 10 (fans — other; industrial). GST is 18% (CGST 9% + SGST 9% intra-state, or IGST 18% inter-state). GSTR-2B ITC available against B2B GSTIN invoices — we issue full e-invoice with IRN and QR for orders above Rs 5 lakh as per CBIC mandate.

Yes — 1-year standard manufacturer warranty against motor and electrical defects from invoice date. Pan-India service via authorized partners in 18 cities. WhatsApp +91 9997778202 for service queries.