In the context of rapid urbanization and industrialization, indoor air quality in buildings ranging from homes and office buildings to industrial factories is becoming a top concern. Design and construction ventilation solutions Optimization is not only a mandatory legal requirement (fire safety, environmental) but also a key factor in ensuring human health and the longevity of machinery. This article will provide the most comprehensive overview of modern ventilation systems, helping investors and contractors choose the most suitable solution.
1. What is ventilation solution and why is it urgent?
Ventilation solutions Ventilation (or air conditioning) is the process of changing or replacing the air in any space to provide high-quality air inside and remove polluted, hot air outside. This process may include temperature control, oxygen supplementation, and removal of moisture, odors, dust, heat, and bacteria.
1.1. The vital role of ventilation system
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For human health: Providing fresh air (O2), minimizing CO2 and other harmful gases, preventing respiratory diseases, and reducing heat stress for workers in the factory.
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For machinery and goods: Control humidity and temperature, prevent mold and rust of electronic components, ensure stable machine operation and avoid overheating.
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Fire safety (PCCC): The ventilation solutions Modern integrated smoke extraction systems, stairwell pressurization, and the use of fire-resistant ductwork (EI) play a vital role in preventing smoke spread during a fire, creating safe escape routes.
2. Classification of popular ventilation solutions today
Depending on the scale of the project and technical requirements, we can divide it into two main groups: natural ventilation and forced (mechanical) ventilation.
2.1. Natural Ventilation
This method utilizes the difference in air pressure or temperature between the inside and outside to create airflow without the need for a motor.
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Thermal Force Ventilation: The lighter hot air will rise and escape through the roof vents and skylights, creating negative pressure that draws fresh air in from the lower windows.
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Wind Force Ventilation: Take advantage of the area's main wind direction to arrange air intake and exhaust doors appropriately.
Advantage: Low investment and operating costs. Disadvantages: Completely dependent on weather, low efficiency for large constructions, closed factories or polluted areas.
2.2. Mechanical Ventilation
This is ventilation solutions actively use fans and duct systems to direct airflow as desired. This is the strength of Sao Viet Air Duct with the ability to provide complete packages of materials and equipment.
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Positive pressure ventilation: Supply fresh air into the room, making the pressure in the room higher than outside, preventing dust and hot air from entering. Often used for clean rooms and emergency stairs.
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Negative pressure ventilation: Exhaust fumes are drawn out, lowering the pressure inside the room, allowing clean air to naturally flow in through gaps or air vents. This is commonly used in heat-generating workshops, restrooms, and kitchens.
3. Top 5 Most Effective Ventilation Solutions for Factories and Buildings
For large-scale projects such as factories in industrial parks or high-rise buildings in Hai Phong and nationwide, the application of ventilation solutions Mechanical is required. Below are the most optimal solutions that Sao Viet Air Duct often advises to implement:
3.1. Negative pressure cooling ventilation system (Cooling Pad)
This is ventilation solutions Cheap cooling combination, very popular for garment, textile, packaging factories.
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Structure: One end of the factory is fitted with a high-flow industrial exhaust fan system. The opposite end or side walls are fitted with cooling pads that are continuously sprayed with water.
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Principle: The fan sucks hot air out, creating negative pressure. Outside air passes through the wet Cooling Pad, the temperature drops by 5-10 degrees Celsius before entering the workshop.
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Evaluate: Low operating cost, good cooling efficiency for open spaces.
3.2. Ductwork System
This is ventilation solutions The most professional method uses a duct system (square, round, spiral) to distribute fresh air to specific locations and extract exhaust air at heat/dust generation points.
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Ingredient: Centrifugal/axial fans, duct systems (galvanized/stainless steel), air valves, air vents, sound absorbers.
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Advantage: Precise airflow control, low noise level (if soundproofing is used), high aesthetic appeal, suitable for both precision mechanical workshops and office buildings/shopping centers.
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Sao Viet Products: We directly manufacture square ducts, spiral round ducts, and accessories (elbows, tees, reducers) with high precision using automated machinery, ensuring a tight-fitting system with no pressure leakage.
3.3. Basement ventilation solutions (Jetfan & Ducting)
Basements are stuffy places and accumulate a lot of vehicle exhaust (CO, CO2).
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Option: Use a Jetfan to circulate air or a duct system combined with a centrifugal fan to exhaust smoke.
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Target: Reduce toxic gas concentration, emergency smoke extraction in case of fire. This is one of the ventilation solutions Complexity requires thorough CFD (Cooled Flow Simulation) calculations which Sao Viet engineering team can assist with.
3.4. Combined ventilation and fire protection solution (EI fire-resistant duct)
According to the latest QCVN 06:2022/BXD standard, smoke extraction and stairwell pressurization systems in buildings and factories are required to use fire-resistant (EI) ductwork.
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Role: In the event of a fire, the system remains operational for a certain period (30, 45, 60, 120 minutes) to draw out toxic smoke, pump fresh air into the escape stairwells to create positive pressure, preventing smoke from entering and helping residents escape.
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Vietnamese Stars' Strengths: Sao Viet Air Ducting is a pioneer in providing EI30, EI45, EI60, and EI120 air ducts that meet inspection standards. The new generation fire-resistant panel construction material makes the ducts lighter, more durable, and faster to install.
3.5. Roof Fans
Ventilation solutions This uses mushroom or loudspeaker axial fans mounted on the factory roof.
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Advantage: Save floor space, take advantage of thermal effect (hot air rising to the roof) to increase suction efficiency.
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Application: Warehouse, smelter, gymnasium.
4. The gold standard in ventilation solution design
To one ventilation solutions For efficient operation, it requires not only good equipment but also proper design. At Sao Viet, we strictly adhere to Vietnamese and international standards:
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TCVN 5687:2010: Ventilation – Air Conditioning – Design Standards. Clearly define the air change rate (ALR). For example: A typical factory needs 3-5 times/hour, while a paint or chemical plant needs 10-20 times/hour.
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QCVN 06:2022/BXD: National technical regulations on fire safety for houses and buildings (Requirements for EI air ducts, fire dampers).
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Ashrae Standard (USA): Indoor air quality standards.
How to roughly calculate the required air flow: Flow rate (m3/h) = Room volume (m3) x Air exchange rate (times/hour)
For example: A factory with an area of 1000m2, a height of 6m, and a volume of 6000m3 requires medium ventilation (6 times/hour). Therefore, the required airflow = 6000 x 6 = 36,000 m3/h. Based on this figure, Sao Viet engineers will select the appropriate number of fans and duct sizes to ensure that the airflow within the ducts does not cause noise.
5. Why is Sao Viet Air Duct a reliable partner for your ventilation solutions?
Among hundreds of units on the market, Sao Viet Air Duct Trading and Manufacturing Company Limited Proud to affirm its leading position in Hai Phong and the North thanks to its outstanding advantages:
5.1. Strong production capacity
Our factory is located in 267 Le Thanh Tong, May Chai, Hai Phong, equipped with modern automated production lines (Auto line).
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Fully automatic square duct making machine (Autoline V, VI).
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Swiss technology spiral round duct manufacturing machine.
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CNC Laser cutting machines, press brakes, high-tech punching machines. This helps us provide materials for ventilation solutions with the fastest speed, absolute precision and competitive price due to direct production without intermediaries.
5.2. Product quality meets ISO standards and fire safety inspection
All products, from air ducts, dampers, and grilles to accessories, undergo rigorous quality control. In particular, Sao Viet's EI fire-resistant air ducts have been tested and certified, ensuring smooth fire safety acceptance for investors.
5.3. Full consulting and construction services
We don't just sell ductwork, we sell ventilation solutions comprehensive
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Survey: Technical team comes to the site to take actual measurements.
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Design: Create 2D/3D drawings of ventilation systems to optimize air flow.
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Production & Construction: Synchronized, fast, and ensuring project progress.
5.4. Extensive practical experience
Vietnamese stars have had the honor of participating in many major projects such as:
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Provide air ducts for Aeon Mall Hai Phong.
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Project Vinhomes Imperia, Vinhomes Ha Long.
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Large partner factories Hoa Phat, Traco.
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Ventilation system for large bars/clubs such as H-Club Ha Long and Bar Le Hong Phong.
6. Ventilation solution implementation process at Sao Viet
To ensure that customers receive the most satisfactory system, we apply a professional 6-step process:
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Receiving requests: Listen to requirements on project type (factory, building, kitchen…), budget and goals.
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Current situation survey: Engineers come to the site to evaluate the structure, wind direction, and heat sources.
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Solution consulting: Propose options (natural ventilation, negative pressure cooling or central air duct) with analysis of advantages and disadvantages.
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Design & Quotation: Provide detailed drawings and transparent, competitive cost estimates.
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Production & Installation: Air duct fabrication is done at Sao Viet workshop, and installation at the construction site is carried out according to proper technical standards.
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Acceptance Testing & Warranty: Test & Commissioning, measure parameters (flow, noise) and handover. Long-term warranty, 24/7 technical support.
7. Indispensable equipment in a complete ventilation solution
When searching for one ventilation solutions, you need to understand the components to easily monitor quality. At Sao Viet, we provide a full ecosystem:
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Air ducts:
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Square air duct: Used for large systems, easy to insulate, large installation space.
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Spiral round air duct: High aesthetics, low noise, low pressure loss, often used for outdoor gymnasiums and supermarkets.
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Flexible duct: Used for the end branches connected to the air vent.
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Dampers:
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VCD valve (Volume Control Damper): Adjust the air flow.
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Fire Damper: It automatically shuts off in case of fire to prevent the fire from spreading in the ductwork.
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Non-return Damper: Allow the wind to flow in only one direction, preventing it from blowing in the opposite direction.
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Diffusers/Grilles: Oval slat doors, Z-slat (Louver) rain-proof doors, diffuser doors… a variety of designs with powder coating.
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Accessory: Cones, elbows, tees, turnbuckles, hangers… are precisely machined to ensure tightness.
8. Conclusion
Invest in one ventilation solutions A systematic ventilation system is a smart investment for the future, bringing double benefits in health, safety and economic efficiency. Whether you need ventilation for a factory of thousands of square meters or a fresh air supply system for a villa, Sao Viet Air Duct We are always ready to provide you with the highest quality products and the best possible solutions.
Don't let air pollution affect your business and your family. Contact us today for a free consultation.
CONTACT INFORMATION: SAO VIET AIR DUCT MANUFACTURING AND TRADING COMPANY LIMITED
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Address: 267 Le Thanh Tong, May Chai, Ngo Quyen, Hai Phong
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Hotline: 0985.239.838 – 0225.3567.618
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E-mail: dieuhoasaoviet@gmail.com | vietonggio@gmail.com
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Website: onggiosaoviet.vn | dieuhoasaoviet.vn
