Noise pollution affects the sound system of the human body and damages the important tissues of brain. Tall buildings built with HVAC systems and rooftops are main sources of noise pollution. These HVAC systems use heavy chillers and boilers, which produce high frequency sound. Such sounds have serious impact on the human brain and they should be stopped by using some barrier system. Sound barrier systems act as good alternative for reducing the noise level. These sound barrier walls are also called as sound enclosures. They are entirely different from traditional sound barriers. These sound barriers have the ability to reduce noise generated by outlets of chimneys and boilers.
In olden days, reflective products like concrete and bricks were used for reducing noise, but they were not too effective. These reflective products were able to redirect the sound, but were not able to absorb it. Today, the latest HVAC enclosures have the ability to absorb high frequency sounds and reflect back the low frequency sounds. These absorbing sound enclosures are able to minimize risk of unintentional sounds and maintain the effectiveness of the barrier. These HVAC barrier systems are light weight and have modular design. They are non corrosive, as well as non conductive, and are graffiti resistant.