Are you looking for the latest 2026 ductwork price quotes in Hai Phong for your factory, building, shopping mall, or industrial HVAC system project? With the increasing demand for ventilation, air conditioning, and fire protection systems in Hai Phong, accurate ductwork pricing is crucial for investors to optimize their budget and construction schedule.
Sao Viet Air Duct Trading & Manufacturing Co., Ltd. would like to present to our valued customers the latest price list for galvanized steel air ducts, fire-resistant air ducts EI30 – EI45 – EI60, and air duct accessories for 2026. All products are manufactured according to HVAC technical standards, using high-quality Hoa Sen galvanized steel, meeting the requirements for both civil and industrial construction.
Price List for Galvanized Steel Air Ducts in Hai Phong 2026
Below is a price list for various types of Hoa Sen galvanized square ducting commonly used in ventilation and air conditioning systems.
TDC galvanized sheet metal duct price list
| STT | Duct size | Thickness of sheet metal | Unit price |
|---|---|---|---|
| 1 | 100×200 pipe | 0.58mm | 107,000 VND/piece |
| 2 | 100×300 pipe | 0.58mm | 142,000 VND/piece |
| 3 | 100×400 pipe | 0.58mm | 178,000 VND/piece |
| 4 | 200x200 pipe | 0.58mm | 142,000 VND/piece |
| 5 | 200×300 pipe | 0.58mm | 178,000 VND/piece |
| 6 | 300×300 pipe | 0.58mm | 213,000 VND/piece |
| 7 | 400×400 pipe | 0.58mm | 284,000 VND/piece |
| 8 | 500×500 pipe | 0.58mm | 355,000 VND/piece |
| 9 | 500×500 pipe | 0.75mm | 402,000 VND/piece |
| 10 | 700×300 pipe | 0.75mm | 402,000 VND/piece |
| 11 | 800×300 pipe | 0.75mm | 442,000 VND/piece |
| 12 | 850×400 pipe | 0.95mm | 608,000 VND/piece |
| 13 | 900×600 pipe | 0.95mm | 729,000 VND/piece |
| 14 | 900×900 pipe | 0.95mm | 875,000 VND/piece |
| 15 | 1150×500 pipe | 1.15mm | 967,000 VND/piece |
Note: The unit price applies to rectangular pipes of full size L=1110mm. For pipes with a length less than 1110mm, the unit price is calculated with a factor of x1.1.
In general, the price of air ducts in Hai Phong in 2026 ranges from approximately 107,000 VND to nearly 1,000,000 VND per unit, depending on size and sheet metal thickness. Large industrial systems typically use sheet metal with a thickness of 0.75mm – 1.15mm to ensure rigidity and long-term operational durability.
Standard Price List for Air Duct Accessories 2026
Besides the main duct system, accessories such as elbows, reducers, branches, and connecting fittings also significantly affect the total cost of HVAC system installation.
Price list for duct accessories
| Type of accessory | Thickness of sheet metal | Unit price |
|---|---|---|
| Standard duct fittings | 0.58mm | 224,000 VND/m2 |
| Standard duct fittings | 0.75mm | 253,000 VND/m2 |
| Standard duct fittings | 0.95mm | 307,000 VND/m2 |
| Standard duct fittings | 1.15mm | 370,000 VND/m2 |
The precisely machined accessories ensure an airtight system, reducing flow loss and increasing the operational efficiency of the air conditioning and ventilation system.
EI60 Fire-Resistant Air Duct Price List 2026
For buildings requiring fire safety standards such as apartment buildings, hospitals, hotels, shopping malls, and factories, the EI60 fire-resistant duct system is a mandatory item according to fire safety regulations.
Price quotation for domestically produced EI60 ducting with 5mm MGO sheet covering.
| Size | Unit price |
|---|---|
| EI60 500×500 pipe | 677,000 VND/piece |
| EI60 pipe 600×200 | 542,000 VND/piece |
| EI60 pipe 700×200 | 609,000 VND/piece |
| EI60 pipe 800×200 | 677,000 VND/piece |
| EI60 pipe 700×300 | 677,000 VND/piece |
| EI60 pipe 800×300 | 745,000 VND/piece |
EI60 fire-resistant duct fittings
- Unit price: 400,000 VND/m2
Price Quote for Imported EI60 Air Duct with MGO Coating
Fire-resistant ducting systems using imported MGO panels offer high-quality finish, stable fire resistance, and a longer lifespan.
| Size | Unit price |
|---|---|
| EI60 500×500 pipe | 699,000 VND/piece |
| EI60 pipe 600×200 | 559,000 VND/piece |
| EI60 pipe 700×200 | 629,000 VND/piece |
| EI60 pipe 800×200 | 699,000 VND/piece |
| EI60 pipe 700×300 | 699,000 VND/piece |
| EI60 pipe 800×300 | 769,000 VND/piece |
Imported EI60 accessories
- Unit price: 410,000 VND/m2
Price List for Fireproof Duct EI30 – EI45 Knauf Fireshield
EI30 – EI45 duct systems are commonly used in buildings requiring medium fire resistance according to fire safety standards.
Price list for EI30 – EI45 air ducts in 2026
| Size | Unit price |
|---|---|
| EI45 500×500 pipe | 622,000 VND/piece |
| EI45 pipe 600×200 | 497,000 VND/piece |
| EI45 pipe 700×200 | 559,000 VND/piece |
| EI45 pipe 800×200 | 622,000 VND/piece |
| EI45 pipe 700×300 | 622,000 VND/piece |
| EI45 pipe 800×300 | 684,000 VND/piece |
EI30 – EI45 duct fittings
- Unit price: 364,000 VND/m2
Factors Affecting Air Duct Pricing in Hai Phong
When consulting ductwork price quotes for 2026, customers should note that actual costs may vary depending on several factors:
Sheet metal size and thickness
The larger the ducting and the thicker the sheet metal used, the higher the production cost due to the increased amount of materials and processing.
Types of air ducts
- Air ducts are usually cheaper.
- EI30 – EI60 fire-resistant ducting is more expensive due to the requirement for fire-resistant materials and fire safety certification.
Order volume
Large projects are often more cost-effective due to mass production.
Project location
Shipping and installation costs may vary depending on the area within Hai Phong city or neighboring provinces.
Technical requirements
Some projects require:
- insulation
- sound absorption
- fireproof
- high pressure
This will increase the overall cost of the duct system.
Why Choose Sao Viet Air Ducts?
Sao Viet is a company specializing in the production and installation of air ducts in Hai Phong, with many years of experience in the HVAC and fire protection fields.
Sao Viet's commitment
- Transparent and clear pricing.
- Machining according to technical standards.
- Use high-quality Hoa Sen roofing sheets.
- Meeting project deadlines quickly.
- On-site technical support and consultation.
- Long-term system warranty
Sao Viet's product system is suitable for:
- factory
- shopping mall
- hospital
- hotel
- office building
- industrial air conditioning system

>>> See more: Professional Hai Phong Air Duct Installation Service, Good Price
Shipping & Payment Policy
- Delivery at Sao Viet warehouse
- Delivery time is 5-7 days.
- Advance payment of order value 50%
- The quotation is valid for 7 days.
- The price does not include VAT 10% and installation costs.
Contact Information
SAO VIET TRADING & MANUFACTURING CO., LTD
- Address: 267 Le Thanh Tong, May Chai, Hai Phong
- Hotline: 0815.999.826
- E-mail: vietonggio@gmail.com
Contact Sao Viet now for advice on ventilation and air conditioning system solutions and to receive the latest 2026 ductwork price quote in Hai Phong for your project.



