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OVERHEAR HVLS FANS STRATOS

A single large-diameter fan that moves enormous volumes of air at a gentle, whisper-quiet pace — cooling people, not machines. Ø3.1 m to 5.0 m.

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Energy Saving – Reduce Costs by Up to 30%

With optimized design and superior air circulation, Hamilton Air’s HVLS and residential ceiling fans can cut energy costs by up to 30% compared to traditional cooling solutions, while still maintaining maximum comfort in your space.

Boost Productivity by Up to 15%

Research shows that a cool, well-ventilated environment helps employees stay focused and work more efficiently. With superior cooling performance, our solutions have increased workplace productivity by up to 15% in factories, warehouses, and offices.

Reduce Temperatures by Up to 18°C with Fans and Evaporative Coolers

When combined with Hamilton Air ceiling fans, evaporative coolers can lower the temperature of your space by up to ~18°C. This is an ideal solution for hot climates, ensuring a refreshing and comfortable environment even on the hottest days.

Increase Fresh Airflow by 20% with Superior Ventilation

Beyond cooling, Hamilton Air fans enhance fresh airflow by up to 20% through efficient ventilation and air distribution. This helps reduce humidity, eliminate unpleasant odors, and create a cleaner, healthier environment for everyone.

Comprehensive Cooling Solutions – Superior Performance with Hamilton Air

With advanced HVLS and residential ceiling fan technology, Hamilton Air delivers not only a cooler and more comfortable space but also significant cost savings and improved workplace productivity.

Technical Tool

Fan Installation Distance Calculator

Select fan category, enter space parameters — the system validates all safety clearances against ASHRAE 55 / AMCA standards.

Default 305 mm
Đường kính
60 in
Cánh trần tối thiểu
305 mm
Cánh sàn tối thiểu
2.10 m
Cách tường tối thiểu
762 mm
Kiểm tra tiêu chuẩn — Haiku / i6 / es6
Khoảng hở đến trần ≥ 305mm Thực tế:305mm(thanh treo) Đạt
Khoảng hở vật cản ≥ 610 mm (mọi hướng) Đèn, dầm, cột, ống nước — kiểm tra thực địa Thực địa
Cánh quạt cách sàn ≥ 2.1m Thực tế:2.90m Đạt
Khoảng hở đến tường ≥ 762mm Thực tế:1500mm Đạt
Tất cả thông số đạt tiêu chuẩn. Quạt 60 in, trần cao 3.2 m, thanh treo 305 mm. Cánh quạt ở độ cao 2.90m so với sàn.
Lưu ý ánh sáng: Đèn chiếu sáng nên bố trí ngang bằng mặt phẳng cánh quạt. Không bố trí đèn phía trên vùng quay. Khoảng hở tối thiểu đến đèn ≥ 610 mm.
Cao cánh quạt
9.20 m
Hở trần tối thiểu
1.2 m
Hở tường tối thiểu
1.5 m
Tâm–tâm tối thiểu
7.5 m
Số quạt đề xuất
9 quạt
Khoảng cách HVAC
3.0 m
Kiểm tra tiêu chuẩn — HVLS Ø3 m · Hamilton Air HERO
Cánh quạt cách sàn ≥ 3m Thực tế:9.20m Đạt
Khoảng hở đến trần ≥ 1.2m Thực tế(thanh treo):0.8m Không đạt
Khoảng hở đến tường ≥ 1.5m Thực tế(giữa xưởng):13.5m Đạt
Khoảng cách tâm–tâm ≥ 7.5 m Thực tế: 30.0 m Đạt
Thiết bị HVAC ≥ 3.0m Quạt trên/dưới vùng xả hoặc hút HVAC Thực địa
Sprinkler NFPA 13 ≥ 0.91m Khoảng đứng từ quạt đến tấm lệch dòng Thực địa
Cần điều chỉnh. Nhà xưởng 30 × 60 m, trần 10.0 m — cần tối thiểu 9 quạt Ø3 m dọc trục dài. Trục ngang 30 m: đủ rộng để bố trí 2 hàng quạt song song. Kiểm tra lại đường kính cánh và chiều dài thanh treo.
PCCC (NFPA 13): Mỗi quạt phải đặt giữa 4 đầu phun sprinkler liền kề. Khoảng cách đứng từ quạt đến tấm lệch dòng ≥ 0.91 m. Tất cả quạt phải tích hợp module tự động ngắt khi nhận tín hiệu báo cháy (water flow signal).

Overhead Industrial HVLS Fans

Comfort and airflow solutions for living spaces

Hamilton Air is a leading distributor of high-performance, energy-saving fan cooling solutions. Whether you have an industrial complex or a small shop, we are here to make your life easier, more comfortable, and more cost-effective.

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Industrial HVLS Big Fans

​ Powerful Cooling for Large Spaces

Industrial HVLS Big Fans (High Volume Low Speed) are extra-large ceiling fans designed to move massive amounts of air at low rotational speed. With diameters ranging from 2.5 meters to 7 meters, these fans provide wide-area air circulation, making them the ultimate solution for factories, warehouses, sports centers, airports, malls, and agriculture facilities.

Unlike small high-speed fans, HVLS Big Fans deliver gentle, consistent airflow across large areas while using minimal energy

Key Benefits of HVLS Big Fans

Energy Efficiency and Cost Savings  

Hamilton Air’s HVLS Big Fans can reduce energy costs by up to 30%. By enhancing natural air circulation, they minimize the reliance on traditional air conditioning systems.

Wide-Area Air Circulation 

Unlike traditional small fans, HVLS fans are designed with blade diameters up to 7 meters, providing consistent and gentle airflow across large spaces such as factories, warehouses, gyms, and shopping malls.  

Temperature Reduction

When combined with evaporative coolers or HVAC systems, HVLS Big Fans can lower temperatures by up to 18°C (33°F), offering effective cooling for hot climates.

Improved Comfort & Productivity

A well-ventilated workspace helps employees stay focused and reduces fatigue. Studies show that HVLS fans can increase workplace productivity by up to 15% by creating a more comfortable environment.  

Healthier Indoor Air Quality 

By improving air circulation, HVLS Big Fans reduce humidity, remove stagnant air, and increase fresh airflow by 20%. This helps eliminate unpleasant odors, prevent mold growth, and create a healthier indoor atmosphere.

Low Maintenance and Long Lifespan

Engineered with durable aluminum blades and high-efficiency motors, HVLS fans are built for long-lasting, quiet, and reliable performance. They require minimal maintenance compared to traditional cooling systems, reducing downtime and operating costs.

Contact Hamilton Air today for energy-efficient HVLS fan solutions — driving the vision toward Net Zero 2050.


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Motor Technology

PMSM, BLDC &
IP Protection

Three technological pillars that make Hamilton Air fans the most energy-efficient and durable HVLS solution in Vietnam.

European Technology

PMSM Gearless Motor

Permanent Magnet Synchronous Motor with direct drive — no gearbox, no brush wear, no lubricant. The highest-efficiency motor architecture available for industrial fan applications.

Efficiency ClassIE5 Premium
GearboxNone (Direct Drive)
Noise Level<45 dB
MaintenanceNear Zero
Lifespan100,000+ hrs
Taiwan Technology

BLDC Digital Motor

Brushless DC motor with digital drive controller delivering precise variable speed management, intelligent load adaptation, and robust performance in high-humidity environments.

ControlDigital VFD
Speed Range10–100%
DisplayOLED Digital
Humidity Resist.Class F
EfficiencyIE3–IE4
IP Protection Range

All-Environment Protection

Hamilton Air's HERO series offers IP ratings from IP55 to IP68 — the only industrial fan line in Vietnam covering food processing, coastal, heavy industrial, and cleanroom environments.

IP55Standard Industrial
IP64Dust-tight + Splash
IP65Full Dust + Jet Water
IP68Submersion Rated
Blade MaterialHigh-Grade Aluminium
Financial Analysis

Calculate Your
ROI

Enter your facility parameters to see projected energy savings and payback period.

Your Facility

Estimated Results
Current HVAC cost 2778M VND/yr
Fans recommended 3 fans
HVLS running cost 62M VND/yr
Net annual saving 1049M VND/yr
Estimated payback 3 months
📉

Reduce HVAC Energy 30–70%

HVLS fans allow HVAC thermostat setpoints to be raised 4–6°C with no occupant comfort impact — directly reducing compressor runtime and electricity consumption.

🔧

Cut HVAC Maintenance Costs

Lower HVAC runtime translates to fewer service hours, longer compressor lifespan, and reduced refrigerant top-up frequency — lowering total maintenance spend by 20–40%.

📦

Reduce Inventory Loss

Consistent air circulation eliminates condensation hot spots that damage packaging, degrade product quality, and create compliance issues in food and pharmaceutical logistics.

👷

Improve Worker Productivity

Research correlates 2–4°C perceived temperature reduction with 5–15% increase in manual labour productivity — a measurable ROI multiplier beyond direct energy savings.

Why Choose Hamilton Air HVLS Big Fans?

Hamilton Air delivers advanced HVLS Big Fans that combine:

  • Innovative design for maximum airflow coverage.
  • Energy-saving motors that reduce operating costs.
  • Quiet and safe operation for industrial, commercial, and residential use.
  • Multiple models available such as HERO-5, HERO-6, HERO-8, and HERO-X, tailored for different environments.

With Hamilton Air, you gain a comprehensive cooling solution that improves comfort, saves money, and supports sustainable operations.

Request a quotation

Tell us about the space. A consultant will contact you to clarify the requirements before quoting.

  • Contact Office & Showroom
  • 📍 Address: 304-306 Truong Van Bang Street, Cat Lai, Ho Chi Minh City
  • 📧 Email: bigfans@hamiltonair.vn
  • 📞 Hotline (24/7 Support): +84 909 899 367
  • 📞 Residential Ceiling Fan Consultation: +84 915 123 860
  • 📞 HVLS Large Fan Consultation: +84 913 123 860
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