O'Neill Engineered Systems, Inc.

There are different ways of sound insulation from walls to windows to doors. An acoustic door can be a very efficient option to lessen sound leaving the room and keeping the sounds within the room. These doors come as single doors or huge double doors. The double doors lessen more sound than the single doors as a wide area is covered with a sound insulating product.   They may have windows in them. Nonetheless, the windows are generally on the smaller side as big windows can retract from the efficiency of the door. You won’t get vents on the acoustic doors as they leave room for sound to pass through. You also can’t install a cat flap for instance as all these minor things will prevent the door from working in its full potential to provide you hospitality noise control solutions. HVAC noise reduction doors are rated on a scale up to 56. This scale is known as the STC or Sound Transmission Class. The higher the STC, the more efficient the doors sound protection will be. The windows...

Noise pollution caused by ground level and rooftop HVAC equipment comprising of boilers, chillers and air handlers has become one of the most irritating and also harmful environmental problems in cities all over the world. As urban noise enhances with the multiplication of residential growth, communities and residents are demanding better HVAC Noise Reduction solutions. HVAC systems might need an acoustically designed sound barrier wall. Sound barriers walls have been utilized extensively in soundproof music room for years in the industrial and transportation fields. A sound barrier wall is an exterior structure, generally made of earth or masonry, designed to protect sensitive land uses, like residential areas from noise pollution. These noise pollution prevention products are now being utilized to assist in eradicating undesired noise from HVAC systems also.  Conventional material to measure noise levels of HVAC systems has been reflective products. Reflective products, such a...