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Acoustic enclosures

We are well-reputed as one of the stupendous Acoustic Louver manufacturer in  India. We designe aerodynamically blades  Louvre System  that helps in preventing noise breakout. These are also designed to control weather variations.

Usages  of optimum quality materials and advanced technology ensures high durability, tensile strength and resistivity to adverse conditions.

An acoustic louvers combine the function of silencers, louvers at less resistance to air flow, good acoustic performance and weather protection. The acoustic louvers can be installed in Diesel Generator Rooms, Compressor buildings and inlet & outlet opening of ventilation ducts.

Acoustic louver consists of weather louver containing fibrous acoustic infill housed in a flanged outercasing. The louvers are made in 300mm & 600mm thickness.

The standard dimensions of acoustic louvers are :
Heights (mm) : 450,650,850 & 1050
Width (mm)    : 600, 800, 1000 & 1200

Other sizes are available on request.

We offer the acoustic Louver  with following features:

  • »   Flat blades
  • »   For building intake/exhaust openings
  • »   For mechanical services plant
  • »   As free-standing barriers, screens and enclosures
  • »   Wide choice of finishes/colours

Proven Acoustic Performance

  • »   All products are lab tested and rated
  • »   Published data gives important air flow and self noise details

Energy Saving

  • »   Aerodynamic design
  • »   Low Pressure-drop characteristics

Machinery Enclosures and Plenums

  • »   Complete plant/machinery enclosures
  • »   Any size, shape or specification
  • »   Using modular, high performance acoustic panel system
  • »   Matching access doors/hatches


Acoustic Louver has a sound baffle designed to allow airflow through ventilation openings while reducing the radiation of noise. Typical applications for our acoustic louvers used in conjunction with machine sound enclosures, sound barrier walls and sound control rooms to allow silenced airflow. They use acoustic grade glass fiber as the principle sound-absorbing mechanism. They are aerodynamically shaped to minimize pressure drop. Lips are designed in to the splitters to protect against weather elements. A machine sound enclosure such as compressor, genset, backup generator and well pump are all candidates for silenced ventilation using ESL Acoustic Louver.


Our acoustic screens and enclosures solve a wide range of environmental noise pollution problems emanating from mechanical plant and systems including:

  • »   Chillers
  • »   Compressors
  • »   Generators
  • »   Motors
  • »   Pumps
  • »   Roof top plant rooms

Several factors affect the control of the acoustical environment in any building such as noise propagation and flanking paths; transmission loss characteristics of walls, ceilings and floors; compatibility of windows and doors, the noise of HVAC systems; hardware and trim. Other considerations include fire ratings, aesthetics, structural integrity and the ability to meet specifications within budget constraints.

Our complete range of pre-engineered components and full design and installation service capabilities ensure that we can lay out a building for maximum efficiency and economy while protecting against noise and/or fire.


Download Project:

Acoustic treatment for Air cooling Chiller





Our Products

News & Events
The Polycarbonate Noise Barriers' work was completed by Envirotech in a good manner and also according to our specifications.
Shree Cement Limited  ....

Acoustic Enclosure supplied by Envirotech, has fulfilled CPCB Norms without affecting DG set performance.
PepsiCo India Holding Pvt. Ltd  ....

The Noise Test Booth designed by Envirotech (ESL) has acieved the desired noise level i.e 35 dB(A) in side the chamber.
Maruti Suzuki Limited  ....

The design of Anechoic Chamber has fulfill our requirement & no echo generation was found inside the chamber .
Dongyong  ....


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