What materials are used for the main body?

The main body is made from extruded aluminum profiles, offering excellent strength and corrosion resistance. Steel construction is also available as an optional material to meet diverse project requirements and cost considerations.

What surface treatment options are available?

We provide satin anodized finish for good corrosion resistance and metallic texture, or RAL9010 or RAL9016 white electrostatic powder coating which is eco-friendly, weather-resistant, and long-lasting.

What is the warranty period for this product?

The standard warranty is 12 months or 2,000 operating hours, whichever comes first. Optional extended warranty coverage is available for up to 12 months.

Aluminum Grilles Square Ceiling Air Diffuser for HVAC Ventilation System

Name: Aluminum Grilles Square Ceiling Air Diffuser for HVAC Ventilation System
Brand: NEW HVACR TECHNOLOGY (NINGBO) CO., LTD
SKU: 1917701191

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

US$3.17

1,000 Pieces

Product specifications

Square Diffuser

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

on Line Service

Warranty

One Year

Model NO.

CD-SB

ventilation mode

mechanical ventilation

Certification

ISO9001, CE

Product Name

Square Ceiling Diffuser

Material

Aluminum

Usage

for Air Conditioner

Type

Square Diffuser

Venetian-Style Air Layers

Single

Installation

Outlet

Color

Ral9010\9016

Used

Supply and Exhaust of The Hot or Cold Air.

Construction

Butterfly Plastic Volume Damper

Application

Ventilation System

Feature

Durable

Function

Air Diffuser

MOQ

1000

Transport Package

Carton

Specification

150mm×150mm / 300mm×300mm

Trademark

Zengo

Origin

China

HS Code

8418991000

Production Capacity

20000

Key features

Durable Aluminum Construction: Made from extruded aluminum profiles with optional steel construction for strength and corrosion resistance.

Versatile Air Distribution: Efficiently supplies or exhausts cooled and heated air in HVAC systems for various commercial and industrial buildings.

Customizable Surface Finish: Available in satin anodized or RAL9010/9016 white powder coating for aesthetic integration and weather resistance.

Easy Maintenance Design: Features a removable central core for convenient on-site commissioning, cleaning, and ductwork access.

Precise Airflow Control: Includes optional opposite blade dampers (OBD) for accurate airflow adjustment and neck adapters for easy duct connection.

Comprehensive Warranty: Provides a 12-month or 2,000 operating hours warranty with optional extended coverage up to 12 months.

Global Technical Support: Offers 24/7 technical assistance, spare parts supply, and on-site or remote operation training.

Wide Application Scope: Suitable for offices, malls, hotels, industrial plants, warehouses, schools, and hospitals ventilation systems.

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: ≤2.23hTerms 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:Is the central core removable? What are the benefits?

Yes, the central core is designed to be easily removable. This feature greatly facilitates on-site commissioning after installation, as well as future access to the ductwork for cleaning and maintenance without needing to remove the entire diffuser.

Q:Can this diffuser be used for return air?

Yes, certainly. Square ceiling diffusers can be used for both supply and return/exhaust air applications. When used for return air, they function similarly by connecting to the ductwork via the neck to effectively collect and exhaust room air.

Q:How do the neck sizes correspond to the face sizes?

We offer standard matching sizes. For example, a 150x150mm neck corresponds to a 300x300mm face; a 225x225mm neck corresponds to a 375x375mm face. This design ensures the diffuser fits perfectly with standard ceiling grid modules. Please refer to our product specification sheet for the complete size chart.

Q:What should be noted during installation?

There are three main points: First, ensure the ceiling cutout is accurately sized. Second, the connection between the diffuser neck and the ductwork must be well-sealed to prevent air leaks. Third, ensure the diffuser is installed level to avoid tilting which could negatively impact air distribution.

Q:How do I clean and maintain the diffuser?

Routine cleaning is simple: just use a soft cloth or vacuum cleaner to remove surface dust periodically. For a deeper clean, you can remove the central core, wash it with a mild detergent, let it dry completely, and then reinstall it. We recommend routine cleaning every 3-6 months.