Is it difficult to clean or maintain?

Not at all. The Quick-release base allows you to snap the fan body out for cleaning without removing the connected ducting, saving significant maintenance time.

HVAC Centrifugal Exhaust Ventilation Mixed Flow Inline Duct Fan

Name: HVAC Centrifugal Exhaust Ventilation Mixed Flow Inline Duct Fan
Brand: NEW HVACR TECHNOLOGY (NINGBO) CO., LTD
SKU: 1916663431

Zhejiang, ChinaNEW HVACR TECHNOLOGY (NINGBO) CO., LTD

US$11.66

100 Pieces

Product specifications

Inline Duct Fan

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Remote Control

With Remote Control

Power Source

Electric

Model NO.

Material

Stainless Steel

Installation

Pedestal

Certification

GS, ROHS, CE

Usage

HVAC,Factory Smelting,Kitchen Exhaust

Flow Direction

Mixed Flow

Pressure

Medium Pressure

Function

Relay Pressure Boosting

Feature

Exhaust Fan

Work for

Ventilation Fan

Color

White

Optional Materials

Metal or Plastic

Regulatory

Supports High/Low Two-Tier Wiring Methods

Pressure Performance

MID-High

Noise Level

Ultra-Low (31-50 Db)

Ease of Installation

Very Easy

Maintenance Cost

Low

Transport Package

Carton

Specification

100mm to 315mm

Trademark

Airandus

Origin

China

HS Code

8418991000

Production Capacity

50000/Month

Key features

Mixed-Flow Technology: Combining high airflow (Axial) with high pressure (Centrifugal) for efficient duct boosting.

Industrial-Grade Motor: Built-in Ball Bearing motor with 50,000 hours service life and Thermal Overload Protection.

Ultra-Quiet Performance: Noise levels as low as 31 dB(A) (HF-75/100), ideal for noise-sensitive environments like offices or bedrooms.

Flexible Speed Control: Dual-speed wiring design allows switching between High/Low modes for customized airflow.

Quick-Release Base: Patented base design for easy installation and maintenance.no need to dismantle the entire duct.

Material Options: Choice of UV-resistant reinforced plastic (for humid areas) or Steel/Aluminum (for high-temperature industrial use).

Company profile

Importers and ExportersMulti-language PioneerFlexible CustomizationQA/QC Inspectors

NEW HVACR TECHNOLOGY (NINGBO) CO., LTD

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2003-06-01Nearest Port: Ningbo/ShanghaiAverage Response Time: ≤2.49hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CIF, DDP, DAP, Others

AI-Powered supplier vetting

SummaryThe supplier is presented as a professional technical HVAC/R supplier with production lines, moulds, patents, and a complete HVAC/R product range. It reports ISO 9000 and ISO 9001 management-system certifications and states that most products hold CE, RoHS, and UL approvals. Customization is available from samples and designs, including full, minor, and flexible customization. However, the supplier does not provide 3D software design, ODM, SDK, or well-known-brand OEM services, and launched no new products in the past year. It has no overseas warehouse, showroom, agent or branch, and has not participated in offline trade shows. Service quality assurance is stated, but complaint handling and corrective-action arrangements are described only as “Others.” Financial records are referenced for 2022–2024, but no financial performance details are provided. No specific customer cases are identified.

Supplier typeThe supplier is explicitly identified as a professional technical supplier and describes a complete HVAC/R range with production lines, moulds, patents, and one-stop solutions. Its stated business scope also covers hardware, building materials, mechanical equipment, refrigeration and air-conditioning equipment, and related technical services.

CertificationsThe supplier reports ISO 9000 and ISO 9001 management-system certifications. It also states that most products are approved by CE, RoHS, and UL, although the evidence does not indicate that every product holds these approvals.

R&D capabilityThe supplier has R&D capability, patents, and states that it continues to innovate and improve technology. Conversely, it launched no new products in the past year and does not provide ODM, SDK, or 3D software design services, indicating some limitations in documented innovation-service breadth.

Production capacityThe supplier states that it owns a series of production lines and moulds and provides a complete HVAC/R product range. Its business scope includes sales of refrigeration and air-conditioning equipment and related industrial products, supporting production-related capability, although no capacity or output figures are given.

Customization capabilityThe supplier explicitly offers customization from samples and designs, as well as full, minor, and flexible customization. This supports a broad customization offering, but 3D software design is not available.

Product Q&A

Q:Does this fan support speed control? How to switch between high and low speed?

Yes. The HF series uses a dual-speed motor, and high or low speed can be selected by connecting to different terminals inside the junction box. For continuous speed control, an external electronic speed controller can be added.

Q:Why doesn't the product come with a power plug? Is it easy to install?

To accommodate different plug standards in various regions worldwide and to meet more specialized industrial/commercial wiring requirements, this product is designed with pre-wired terminals and does not include a standard plug. Installation is very simple. The base is designed for quick disassembly, allowing you to first fix the base to the wall or ceiling, then snap the fan body into place and connect the wires.

Q:Is the noise level of the HF fan high during operation? Is it suitable for installation in a bedroom ceiling?

It is very quiet. The noise level of medium and small models is only 31-40 dB(A) (equivalent to indoor quiet conversation), making it very suitable for high-silence environments such as bedrooms and offices; large models have strong power and are recommended to be installed inside the ceiling.

Q:Can the fan run continuously 24 hours a day? What is its lifespan?

Yes. The HF fan is equipped with a long-life high-performance ball bearing motor and has a thermal overload protection device, supporting continuous 24/7 operation. Its designed lifespan can reach up to 50,000 hours. If the environmental temperature is too high and triggers the thermal protection, the motor will automatically shut off and resume operation after cooling down, ensuring safety.

Q:Which is better, the plastic housing version or the metal housing version? How to choose?

It depends on your usage scenario: Plastic housing version: Made of UV-resistant reinforced engineering plastic, it is extremely lightweight and rust-proof, suitable for moisture-proof and rust-free applications, best for humid/acidic environments such as bathrooms, kitchens, or laboratories. Metal housing version: Made of aluminum alloy die casting and steel, it offers higher structural strength and stronger heat resistance, suitable for high-strength and high-temperature applications, best for