The demand for air conditioning and ventilation systems in Hai Phong is increasing, leading to the emergence of many units manufacturing and installing air ducts. However, each supplier has different pricing and service policies, making many investors hesitate when choosing. This article will help you compare Hai Phong air duct quotation Among popular suppliers, analyze factors affecting costs and suggest reputable units to optimize budget while still ensuring project quality.
Importance of consulting Hai Phong air duct quotation
In modern buildings such as shopping malls, factories, hospitals or office buildings, the duct system plays a key role in:
- Provides a steady flow of fresh air.
- Helps the air conditioning system operate efficiently and save energy.
- Ensure fire protection standards (especially with fireproof EI30 – EI45 ducts).
- Increase the life of electrical and air conditioning equipment in the project.
Therefore, finding out the price of Hai Phong air ducts not only helps investors estimate costs accurately but also choose a reputable unit, limiting risks during installation and operation.
Popular Hai Phong air duct price list 2025
For easy comparison, below is a reference price list for galvanized steel ducts - the most commonly used type in ventilation and air conditioning systems:
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 110,000 - 400,000 VND/m, depending on the size and thickness of the corrugated iron.
Quotation for fireproof EI30 – EI45 duct accessories
In addition to regular air ducts, many projects are required to use fire-resistant air ducts EI30, EI45 and accompanying accessories to meet fire prevention 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 |
Accessories prices vary greatly, ranging from several hundred thousand to millions of VND per item, depending on complexity and fire-resistance features.
Compare Hai Phong air duct quotes from suppliers
In Hai Phong, some well-known units in the field of supplying air ducts include: Sao Viet, An Phat, Nam Phuong, Hong Ha.
Reference price comparison table:
| Supplier | Normal air duct price (VND/m) | Fireproof air duct price (VND/m) | Strengths |
| Vietnamese Stars | 110,000 – 400,000 | 350,000 – 600,000 | Factory in Hai Phong, transparent price quote |
| An Phat | 120,000 – 420,000 | 360,000 – 620,000 | Strong in large factory construction, supporting long distance transportation |
| Nam Phuong | 115,000 – 410,000 | 355,000 – 610,000 | Specializing in EI30 - EI45 ducts, experienced in many fire protection projects |
| Red River | 118,000 – 415,000 | 365,000 – 615,000 | Fast construction, good warranty service |
Through the comparison table above, it can be seen that Sao Viet often has more competitive prices, especially thanks to its direct production workshop in Hai Phong, helping to reduce intermediate costs. Meanwhile, other units such as An Phat or Nam Phuong have strengths in special projects, high requirements for fire prevention and fighting or large-scale factories.
Factors affecting Hai Phong air duct quotation
When looking for a quote for Hai Phong air ducts, customers should note that the cost is not always fixed. There are many factors that directly affect the price, from materials, size to construction unit and implementation time.
- The manufacturing material determines the basic price: Air ducts are made from galvanized iron, stainless steel or fireproof pipes EI30 - EI45, each material has different durability, heat resistance and aesthetics. Normally, stainless steel and fireproof air ducts will cost more than galvanized iron, suitable for projects requiring high technical standards.
- The thickness and size of the duct directly affect the cost: The larger and thicker the duct, the more materials are used, resulting in a higher cost. In addition, projects requiring special duct systems, designed specifically according to technical requirements, will also have a higher quote than standard sizes.
- Accessories contribute significantly to the total cost: A complete duct system includes not only pipes but also accessories such as elbows, cones, air valves, air vents, flanges, etc. These details account for a significant proportion of the quote, especially in projects with complex designs and many air ducts.
- The scale of the project makes a difference in the quote: The larger the project, the more ductwork and accessories are needed, increasing the total cost. However, for large orders, many suppliers in Hai Phong often have attractive discount policies, helping investors optimize their budget.
- Supplier and production location determine price competitiveness: Suppliers with direct processing factories in Hai Phong often offer better quotes due to savings in transportation costs. At the same time, they also ensure faster delivery progress and technical support than units located far away.
- Construction time is affected by market fluctuations: The prices of corrugated iron, steel and stainless steel often change according to the domestic and international markets, so the price of Hai Phong air ducts also fluctuates according to each stage. Therefore, closing the order at the right time will help contractors and investors save significant costs.
>>> See more: Factors Affecting Hai Phong Air Duct Price Quotation
Advice on choosing a duct unit in Hai Phong
When looking for a Hai Phong air duct supplier, choosing the right reputable unit will determine the quality and durability of the project. To ensure long-term effectiveness, you should carefully consider the following suggestions:
- Compare multiple companies before making a decision: Don’t rely solely on a single quote, as prices can vary depending on materials, labor costs, and sales policies. Consulting multiple companies will help you get an overview and choose a reasonable price while still ensuring quality.
- Ask for a detailed and transparent quote: A professional quote should clearly state the materials, labor, accessories, and additional costs. This helps avoid the risk of price increases during the construction process, while ensuring you have a clear understanding of the total cost.
- Prioritize units with factories in Hai Phong: These units often offer more competitive quotes thanks to reduced transportation costs and proactive progress. In addition, direct production also helps control the quality of each stage.
- Check the capacity and construction experience: Before cooperating, you should refer to the implemented projects to evaluate the actual capacity. An experienced unit will provide optimal technical solutions, helping the duct system operate durably and save maintenance costs.
- Choose a unit with a clear warranty policy: Warranty is an important factor to ensure the system operates stably for a long time. A reputable supplier will have a specific commitment on the warranty period, after-sales service and technical support after installation.
>>> See more: Hai Phong Air Duct Price List Latest 2025 - Fully Updated
Why choose Sao Viet for Hai Phong air duct quotation?
Among many suppliers in the Hai Phong market, Sao Viet is always highly appreciated by investors thanks to its reputation, product quality and professional services. When looking for a quote for Hai Phong air ducts, choosing Sao Viet not only helps customers feel secure about the cost but also ensures long-term efficiency for the project.
- Long-term experience, leading reputation: Sao Viet has contributed to the completion of hundreds of large and small projects throughout Hai Phong and the Northern provinces. The wealth of experience helps the unit understand the diverse requirements of each type of project, from factories, commercial centers to office buildings.
- Modern production workshop right in Hai Phong: With advanced machinery lines, Sao Viet is capable of directly processing high-quality air ducts without intermediaries. This helps save costs, shorten production and installation time, and quickly respond to urgent projects.
- Professional technical team: Sao Viet engineers and workers are well-trained, highly skilled, always ensuring production according to technical drawings, on schedule and meeting safety standards. This is an important factor for the duct system to operate stably and for a long time.
- Transparent price list, no hidden costs: Sao Viet always provides clear and detailed quotes for each item including materials, labor, accessories and installation. Committed to no hidden costs arising during the implementation process, bringing transparency and trust to customers.
>>> See more: Typical Projects Using Hai Phong Air Ducts
Reference and comparison Hai Phong air duct quotation between suppliers is an important step to help investors optimize costs while still ensuring the quality of the project. Depending on the scale and technical requirements, the price of air ducts can range from 110,000 - 600,000 VND/m. If you are looking for a reputable unit with transparent quotes in Hai Phong, Sao Viet is a reliable choice to accompany your project.
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
