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This section provides an overview for ventilation grills as well as their applications and principles. Also, please take a look at the list of 35 ventilation grill manufacturers and their company rankings. Here are the top-ranked ventilation grill companies as of October, 2026: 1.Walraven USA, 2.TROX GmbH, 3.Holtop.
Table of Contents
Categories Related to Ventilation Grills
A ventilation grill is an opening designed for air intake or exhaust, commonly installed in residences, buildings, public facilities, and other places for ventilation and air supply. They generally fall into two categories: exhaust grills and supply grills.
These grills facilitate airflow, with the speed and direction controlled by blades or fans within the structure. The blades or fans, usually powered by a motor, regulate the air movement in and out of the grill.
Notable features of ventilation grills include ease of installation on walls or ceilings, the ability to adjust air inflow and outflow, and a variety of design options. Some grills come with additional functionalities such as soundproofing, insect prevention, and noise reduction, enhancing environmental comfort by mitigating noise and preventing insect entry.
*Including some distributors, etc.
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Walraven USA, founded in 1942 and headquartered in Virginia, USA, is a manufacturer of installation systems for mechanical, plumbing, fire, seismic, and electrical industries and applications. The company manufactures and markets pipe hangers, strut accessories and in-wall solutions specifically designed for US plumbing and mechanical applications. These products are engineered to support materials used in most installations such as PEX, PVC, copper, steel and cast iron. Many of the company's products offer corrosion resistance, noise and vibration reduction, are UV, plenum and/or fire rated, and meet various US standards, including Buy American and UL Listings.
Biyang, established in 1995, based in Ningbo, China, is a manufacturer and supplier of dampers, HVAC diffuser, and other ventilation products. The company’s products mainly cover all sorts of flexible duct, series of metal ducting, different kinds of access panels and inspection hatch, and all types of air diffusers and air grille. They have a team of over a hundred engineers, R&Ds, production staff that specializes in various of services. The company ensures in different locations and climates, different materials and specifications products are required.
Kent Stainless, established in 1982 in Ireland, is a stainless steel manufacturer and supplier specializing in construction and machinery solutions. The company offers an array of stainless steel products such as drainage systems, manholes, street furniture, sanitary ware, and cleanroom furniture. The company also offers sub-contract manufacturing, producing machinery for multinational clients, including air handling units, conveyor ovens, and more. Its capabilities range from concept design to engineered products customized to meet client requirements. Holding ISO certifications, the company serves industries like construction, HVAC, food, and wastewater across global markets, including the UK, UAE, and the USA.
Trox GmbH, established in 1951 and headquartered in Neukirchen-Vluyn, Germany, is a manufacturer of air handling and climate control systems. The company offers air diffusers, shut-off devices, and filtration units. Its industry solutions cater to diverse sectors such as education, healthcare, and hospitality, providing ventilation and air conditioning solutions. Its x-cube compact unit integrates adjustable jet angles and noise-reduction technology features. The company offers concept development, architectural design, and performance testing services, complemented by digital services for remote operation and energy monitoring.
SagiCofim S.p.A. Single Member Company, founded in 1998 and headquartered in Milan, Italy, is a developer and manufacturer of environmental comfort and air filtration systems and solutions. The company's products and solutions include air distribution components and systems, fire protection systems, and acoustic management systems, such as sound attenuators, acoustic louvers, and sound-proof louvers. It offers turnkey systems with services that include installation and maintenance. It works with clients that include hospitals, pharmaceutical manufacturers, and hotels.
Enviro Tech Industrial Products, established in 1995, is a manufacturer, distributor, exporter, and supplier of industrial filters, clean room equipment, air distribution products, cooling systems, and cooling tower spare parts. The company’s product line has pressure gauges, cellulose paper pads, replacement filters, evaporated cooling pads, and pressure transmitters. It also produces magnetic gauges, cooling towers, air filters, flow fans, and condenser coils for dust collection, pump control, electronics, distillation control, and water treatment sectors.
Beijing Holtop Air Conditioning Co. Ltd., established in 2002, is a manufacturer headquartered in Beijing, China, producing heat and energy recovery technology. The company, certified with ISO 9001:2015, offers a range of air handling units, energy recovery ventilators, and heat exchangers. With the capacity to produce up to 20 series and 200 specifications, Holtop was a supplier for the 2008 Summer Olympics in Beijing and the Expo 2010 in Shanghai, China. The company also offers services covering heating, ventilation, and air conditioning (HVAC) and cleanroom design, construction, and installation.
Ranking as of October 2026
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Walraven USA |
17.1%
|
| 2 | TROX GmbH |
11.4%
|
| 3 | Holtop |
11.4%
|
| 4 | Enviro Tech Industrial Products |
11.4%
|
| 5 | ARUNA TECHNO INDUSTRIES |
8.6%
|
| 6 | Biyang |
8.6%
|
| 7 | Hendrick Architectural |
5.7%
|
| 8 | Airandus-ZENGO GROUP LIMITED |
5.7%
|
| 9 | Goldstar Interior Product |
5.7%
|
| 10 | NINE BEARINGS INDIA PRIVATE LIMITED |
2.9%
|
Derivation Method
The ranking is calculated based on the click share within the ventilation grill page as of October 2026. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
China
|
2 | 33.3% |
|
India
|
2 | 33.3% |
|
United States of America
|
1 | 16.7% |
|
Ireland
|
1 | 16.7% |
203 products found - Page 3
203 products - Page 3
House Depot Japan Co., Ltd.
310+ people viewing
Last viewed: 1 day ago
■Notes In times of strong wind and rain, rain may be engulfed.
House Depot Japan Co., Ltd.
320+ people viewing
Last viewed: 3 hours ago
■Suitable for basic insulation method houses - Designed with both appearance and feel in mind as a ventilation louver for air circulation routes in...
House Depot Japan Co., Ltd.
340+ people viewing
■Features It naturally adjusts the indoor air to a comfortable state and blends into the atmosphere of the room. ■Notes In times of strong wind an...
House Depot Japan Co., Ltd.
290+ people viewing
Last viewed: 1 day ago
■Yagiri is an accent that brings out the building. - Efficiently ventilate the attic with a large ventilation area. ・This is a retrofit method. ■...
House Depot Japan Co., Ltd.
280+ people viewing
■Features It naturally adjusts the indoor air to a comfortable state and blends into the atmosphere of the room. ■Notes In times of strong wind an...
House Depot Japan Co., Ltd.
260+ people viewing
■Yagiri is an accent that brings out the building. - Efficiently ventilate the attic with a large ventilation area. ・This is a retrofit method. ■...
House Depot Japan Co., Ltd.
280+ people viewing
Last viewed: 1 day ago
■Features It naturally adjusts the indoor air to a comfortable state and blends into the atmosphere of the room. ■Notes In times of strong wind an...
House Depot Japan Co., Ltd.
280+ people viewing
Last viewed: 10 hours ago
■Yagiri is an accent that brings out the building. - Efficiently ventilate the attic with a large ventilation area. ・This is a retrofit method. ■...
Jaybeck Co., Ltd.
580+ people viewing
Last viewed: 1 hour ago
Indoor air supply grill "Pascal" made in Sweden ■Product introduction/features A natural air supply vent that controls planned ventilation through...
House Depot Japan Co., Ltd.
250+ people viewing
■Features It naturally adjusts the indoor air to a comfortable state and blends into the atmosphere of the room. ■Notes In times of strong wind an...
House Depot Japan Co., Ltd.
270+ people viewing
Last viewed: 14 hours ago
■Yagiri is an accent that brings out the building. - Efficiently ventilate the attic with a large ventilation area. ・This is a retrofit method. ■...
Jaybeck Co., Ltd.
400+ people viewing
Last viewed: 1 hour ago
Indoor air supply grill "Tinfonic" made in Sweden ■Product introduction/features A natural air supply vent that controls planned ventilation throu...
House Depot Japan Co., Ltd.
230+ people viewing
■Slim type with large ventilation, perfect for buildings with little eaves. - Air is taken in at the soffit and efficiently exhausted at the gable ...
House Depot Japan Co., Ltd.
250+ people viewing
■Reliable design with rain return function. Water droplets are the enemy that shortens the lifespan of your home. However, the Western-style Yagiri...
House Depot Japan Co., Ltd.
280+ people viewing
■Slim type with large ventilation, perfect for buildings with little eaves. - Air is taken in at the soffit and efficiently exhausted at the gable ...
House Depot Japan Co., Ltd.
300+ people viewing
■Reliable design with rain return function. Water droplets are the enemy that shortens the lifespan of your home. However, the Western-style Yagiri...
House Depot Japan Co., Ltd.
310+ people viewing
■Features A lineup of ventilation equipment that can be used in combination indoors and outdoors. ■Notes In times of strong wind and rain, rain ma...
House Depot Japan Co., Ltd.
250+ people viewing
■Slim type with large ventilation, perfect for buildings with little eaves. - Air is taken in at the soffit and efficiently exhausted at the gable ...
House Depot Japan Co., Ltd.
350+ people viewing
Last viewed: 1 day ago
■Reliable design with rain return function. Water droplets are the enemy that shortens the lifespan of your home. However, the Western-style Yagiri...
House Depot Japan Co., Ltd.
280+ people viewing
■Features A lineup of ventilation equipment that can be used in combination indoors and outdoors. ■Notes In times of strong wind and rain, rain ma...
House Depot Japan Co., Ltd.
300+ people viewing
■Slim type with large ventilation, perfect for buildings with little eaves. - Air is taken in at the soffit and efficiently exhausted at the gable ...
House Depot Japan Co., Ltd.
310+ people viewing
Last viewed: 1 day ago
■Reliable design with rain return function. Water droplets are the enemy that shortens the lifespan of your home. However, the Western-style Yagiri...
House Depot Japan Co., Ltd.
310+ people viewing
■Features A lineup of ventilation equipment that can be used in combination indoors and outdoors. ■Notes In times of strong wind and rain, rain ma...
House Depot Japan Co., Ltd.
270+ people viewing
■Slim type with large ventilation, perfect for buildings with little eaves. - Air is taken in at the soffit and efficiently exhausted at the gable ...
House Depot Japan Co., Ltd.
400+ people viewing
Last viewed: 4 hours ago
■Reliable design with rain return function. Water droplets are the enemy that shortens the lifespan of your home. However, the Western-style Yagiri...
Sanko Industries Co., Ltd.
660+ people viewing
Last viewed: 3 hours ago
■Product features ・This product provides corrosion protection against high-temperature air flow inside the duct and heat protection for external o...
Sanko Industries Co., Ltd.
520+ people viewing
Last viewed: 15 hours ago
■Product features - Can operate with compressed air (0.4MPa to 0.7MPa) in factories and other plant facilities. - The drive unit is integrated with...
Sanko Industries Co., Ltd.
610+ people viewing
■Product features ・This product is a three-way damper that automatically switches the air outlet depending on the air temperature. (No need to swi...
Sanko Industries Co., Ltd.
820+ people viewing
Last viewed: 1 day ago
■Product features ・With a T-shaped 90-degree switching damper, one unit can switch between two conventional MD units, streamlining costs, space, a...
Sanko Industries Co., Ltd.
750+ people viewing
Last viewed: 1 day ago
Under normal conditions, it can be used as an RD (low differential pressure damper). It can be held fully closed by operating the motor. The amount...
