You are interested in Hai Phong air duct quotation latest for projects in 2025? In the port city, the demand for air conditioning ducts, ventilation ducts and accompanying accessories is increasing rapidly in factories, shopping malls, hotels and high-rise buildings. Among the reputable suppliers, Sao Viet is trusted by many investors thanks to its transparent price list and high-quality products. The article below will update the latest air duct price quote in detail, helping you easily estimate costs and choose the optimal solution for your project.
Hai Phong air duct price list 2025 - Updated details
Below is the latest price list for popular galvanized steel ducts, widely used in construction projects in Hai Phong.
Hai Phong galvanized iron air duct price list
| STT | Types of goods and materials | Sheet metal thickness (mm) | Unit of measure | Unit price |
| 1 | Tube 150×150 mm | 0,58 | m | 110.400 |
| 2 | 200×200 mm tube | 0,58 | m | 140.400 |
| 3 | 300×200 mm tube | 0,58 | m | 169.200 |
| 4 | 300×300 mm tube | 0,58 | m | 199.200 |
| 5 | Tube 150×150 mm | 0,58 | m | 110.400 |
| 6 | 200×200 mm tube | 0,58 | m | 140.400 |
| 7 | Pipe 250×200 mm | 0,58 | m | 154.800 |
| 8 | Pipe 250×250 mm | 0,58 | m | 169.200 |
| 9 | Pipe 400×300 mm | 0,58 | m | 228.000 |
| 10 | Pipe 400×400 mm | 0,58 | m | 258.000 |
| 11 | Pipe 550×400 mm | 0,75 | m | 376.800 |
| 12 | Pipe 600×400 mm | 0,75 | m | 396.000 |
| 13 | Tube 750×250 mm | 0,75 | m | 396.000 |
Looking at the table above, it can be seen that the price of air ducts in Hai Phong ranges from about 110,000 - 400,000 VND/m, depending on the size and thickness of the sheet metal. The larger the project, the more pipe length is required, the higher the total cost.
Quotation for air conditioning duct accessories in Hai Phong
In addition to conventional air ducts, large projects such as hospitals, shopping malls, hotels, and factories in Hai Phong are also required to use fireproof air ducts EI30 - EI45 and accompanying accessories to meet fire prevention and fighting standards.
Price list of duct accessories EI30 – EI45
| STT | Types of goods and materials | Thickness of sheet metal | Unit | Unit price |
| 1 | KT500x250 air duct | 0,75 | m | 357.000 |
| 2 | EI45 air duct KT 350×200 | 0,75 | m | 446.600 |
| 3 | EI45 air duct KT 500×200 | 0,75 | m | 568.400 |
| 4 | EI30 duct KT 350×200 | 0,75 | m | 446.600 |
| 5 | EI30 duct KT 500×200 | 0,75 | m | 568.400 |
| 6 | Duct splitter 500×250/500×200 | 0,75 | female | 336.000 |
| 7 | Duct elbow 500×250 | 0,75 | female | 533.400 |
| 8 | Duct elbow EI45 500×200 | 0,75 | female | 569.800 |
| 9 | Duct elbow EI30 500×250/500×200 | 0,75 | female | 610.400 |
| 10 | EI45 duct cone 500×200/350×200 | 0,75 | female | 323.400 |
| 11 | EI30 duct cone 500×200/350×200 | 0,75 | female | 337.400 |
| 12 | EI45 350×200 duct end cap | 0,75 | female | 140.000 |
| 13 | EI30 350×200 duct end cap | 0,75 | female | 140.000 |
| 14 | Fire damper EI30 500×300 | 1,15 | female | 5.600.000 |
| 15 | Air outlet (EAG +OBD 300×500) | female | 532.000 | |
| 16 | Louver 250×500 behind fan | female | 490.000 | |
| 17 | Square round fan head transfer cone | 0,75 | female | 341.600 |
| 18 | Air compensation window (Louver 2×0.5m) | female | 2.310.000 |
The price of accessories ranges widely, from 140,000 VND/piece for a duct end cap, to millions of VND for an EI30 fire damper or air compensation window, showing the importance and complexity of the duct system in large-scale projects.
Factors affecting Hai Phong air duct quotation
When referring to Hai Phong air duct quotes, it should be noted that the cost not only depends on the air duct unit price in the table, but is also affected by:
- Size & Thickness of Sheet Metal: Larger and thicker pipes will cost more.
- System length: The more total meters of construction, the higher the cost.
- Accessories: Elbows, transfer cones, air valves, louvers… account for a significant proportion of the total cost.
- Fire protection requirements: Fire-resistant EI30 – EI45 ducts are significantly more expensive than regular ducts.
- Construction unit: Price may vary depending on reputation, scale and warranty policy.
- Construction site: Construction sites in the center of Hai Phong or neighboring areas will have different transportation costs.

>>> See more: Professional Hai Phong Air Duct Installation Service, Good Price
Choose a reputable air duct supplier in Hai Phong
To ensure the quality of the project, production progress and cost optimization, choosing a reputable duct supplier is extremely important. When working with a professional contractor, customers will receive:
- Clear and transparent quotation: Details of each item, avoiding additional costs.
- Quality products: Galvanized iron, durable stainless steel, meeting Vietnamese standards.
- Long-term warranty: Ensures long-term stable system operation.

>>> See more: The Need to Use Hai Phong Air Ducts in Construction Projects
With the increasing demand for construction, updating Hai Phong air duct quotation 2025 is extremely necessary for investors and construction units. Depending on the type of pipe, size, accessories and fire protection requirements, the cost can range from several hundred thousand to tens of millions of VND for the entire system. To get the most accurate quote for the project, customers should contact Sao Viet directly for detailed advice and receive the latest price list.
Contact information
Address: 267 Le Thanh Tong, May Chai, Hai Phong
Mrs. Hang: 0815.999.826
Mrs Giang: 0934.559.168
Email: vietonggio@gmail.com



