Ecology unit components including Electrostatic precipitator (ESP) along with metal Filter and grease trap offer economical operation cost, high efficiency of removing grease and smoke produced during cooking posses , that will lead to increase the safety of exhaust fan system and reduce air pollution to comply with the regulation and standards which aim to reduce greenhouse gas emissions and meet green building requirement .​

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​Ecology unit ozone system with activated carbon filter considered a full solution for odor control system , it is required system for any restaurant. where it will leads to reduce risk of complaints from neighbors who may be disturbed by the smell , complaints can push authorities to force the restaurant to close.​In case of seafood , food with Asian flavors and BBQ restaurant , it is a real challenge for any shopping mall , food court in commercial centers or cities municipalities to have those kinds of restaurant.

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Without odor control unit ,  hotels client   will  detected Food odor inside the rooms  they will find smell in bed ,blanket and carpets , because food smell exhausted from kitchen will usually back by fresh air intakes , on other side food smell will be existing at Hotel courtyard , swimming pool and hotel reception entrance ,  that will lead to low customer reviews which consider a Serious problem to any  5-star hotel or resort .