Positive input ventilation blower — 220V, airflow 100 cmh to 350cmh. The complete factory specification follows. Made by Guangzhou Airwoods Environment Technology Co., Ltd. (13 years on the platform, factory-assessed). For a binding price and lead time, send the volume you need and where it ships to.
Key Features of This Positive Input Ventilation Blower
- Model Number: DX1.5B3
- Rated Voltage: 220V
- Airflow: 100 cmh to 350cmh
- Material: Galvanized Steel
- Warranty: 1 Year
- Place Of Origin: Beijing, China
Technical Specifications
| Application | Hotel |
|---|---|
| Material | Galvanized Steel |
| Feature | Flexible, Energy Saving, Easy Install |
| Design Style | Contemporary |
| Warranty | 1 Year |
| After-Sale Service | Online Technical Support, Free Spare Parts |
| Project Solution Capability | total solution for projects |
| Model Number | DX1.5B3 |
| Place Of Origin | Beijing, China |
| Brand Name | HOLTOP |
| Product Name | ventilation blower |
| Motor | 3 speed |
| Airflow | 100 cmh to 350cmh |
| Rated Voltage | 220V |
| Filter | double |
| PM2.5 Filtration | yes |
| Color | galvanized metal |
| Style | Super thin design and fit for installation |
| By-Pass Function | yes |
| Selling Units | Single item |
| Single Package Size | 55X42X20 cm |
| Single Gross Weight | 15.0 kg |
Product Details


Duct Blower Fan Blower Fan Centrifugal Positive Input Ventilation
Single way air purification ventilation blower
Featrures of Fresh Air Filtration System:
-Double filters, PM2.5 filtration over 95%;
-Zinc free galvanized steel plate, high Corrosion resistance and long service life;
-Built-in low-noise blower;
-3 speed high efficiency motor, running smoothly with low noise;
-Super thin design and fit for installation;
-Bottom-service door ,easy to maintain;




Installation style of Fresh Air Filtration System
1) Single-way Fresh Air Filtration System Installation


2) Single-way Fresh Air Filtration + Energy Recovery Ventilation System Installation 

Air purification of single-way fresh air filtration system
The single-way fresh air filtration system supplies outdoor fresh air to room with high purification. It’s equipped with double filters with PM2.5 filtration rate over 95%. It can be used to work together with Holtop energy recovery ventilator for better air purification either used independently for air purification in air conditioning system.
It has the optional functions of indoor circulation. In the situation when it’s not suitable to introduce outdoor fresh air, it can bypass the air in the room for indoor air purification only.
One product can solve all your air quality problem: fresh air, air purification and cleanness with much lower costs.




Holtop Factory
Holtop is the leading manufacturer in China specializing in the production of air to air heat recovery equipments. It is dedicated to the research and technology development in the field of heat recovery ventilation and energy saving air handling equipments since 2002. The main products incluses energy recovery ventilator ERV/HRV, air heat exchanger, air handling unit AHU, air purification system. Besides, Holtop also offer turnkey hvac solutions for different industry.
Holtop headquarters is located at the foot of Beijing Baiwangshan Mountain, covering area of 30,000 square meters. The manufacturing base is in Beijing's Badaling Economic Development Zone, covering an area of 60 acres, with an annual production capacity of 200,000 units of air heat recovery equipments.
Holtop builds a sound certificate system of ISO9001, ISO14001 and OHSAS18001 as well as product certification systems. Moreover, it has a laboratory certified by national authority. As a well-known manufacturer in the field of heat recovery, Holtop has a strong R&D team and possesses dozens of national invention patents, and participated in the compilation work of several national standards, Holtop was also elected as Zhongguancun High-Tech Enterprise.




Holtop partner
Holtop cooperate with so many world famous brands, offering OEM /ODM service.


Holtop certificate
Holtop products stand for TOP quality in heat recovery ventilation filed in China, certificated by CE, CB, RCM, RoHs, FCC, ISO and other different approved tests like anti-flaming test, anti-mold test, energy saving product test. Etc.


PLEASE Click the following link to get more product information:
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Ordering and Pricing
- Minimum order quantity: 2 unit
- Volume pricing:
- 2+ unit: US $257 / unit
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this positive input ventilation blower?
The standard minimum order quantity is 2 unit. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a 1 Year warranty. Spare parts and technical support remain available after the warranty period.
Can the positive input ventilation blower be supplied for my local voltage?
The standard configuration is 220V. Alternative voltage and frequency builds are available when specified at the time of order.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Guangzhou Airwoods Environment Technology Co., Ltd., based in China. The company 13 years as a verified Alibaba.com supplier, operates its own manufacturing, passed third-party supplier assessment. Browse the full Guangzhou Airwoods Environment Technology Co., Ltd. range on HVACR Nexus.
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