They are also prone to problems such as broken latches and bent hinges, which makes the door impossible to close. However, they are cheaply made in foreign countries and poorly designed. The standard white louvered filter grilles are a low cost solution to your problem. If anyone in your family has allergies, breathing problems or asthma then you should consider converting all your regular return air grilles into filter grilles. You’ll be amazed and a little grossed out by all the dust build up in your return air ducts. If you are not sure you need to convert to a filter grille, just remove your old return air grille to inspect all the dust that has attached to your ducts leading back to the air handler. More and more homes are being converted to filter grilles from the older return air grille with the filter located in your HVAC air handler. Filter grilles keep your return air ducts dust free so you don’t need them professionally cleaned every other year for $400 or so. ![]() It comes in 3 styles, 12 Finishes and 31 different filter grille sizes. You will love the way it looks and performs. ![]() ![]() Such cleaning can also lead to a system functioning with less noise, as a clogged filter can increase the noise level, because of the greater strain placed on the blowers and fans.Replace your white louvered filter grille with our magnetic quick change filter grille. As a matter of fact, it is best to ensure that all grills, whether supply or return, are kept clear and allowed to function as they are designed.Ī return air grill and its filter needs to maintained and cleaned at least once every quarter. It is necessary that the space around such grills be kept free of any obstruction, as this can affect the entire system. A return air grill looks very much like the supply side grills and can only be detected with the direction of the air flow in front of the grill. Such filters can have increased ratings which in turn can reduce allergens and dust and thus make the circulated air more healthy. The filters in a way also help to reduce air flow and thus help improve efficiency. It is considered very necessary to use filters over such grills, which in turn can lead to higher efficiency in cooling or heating. These require to be covered by a grill that will ensure that duct is protected. This can also in the long run reduce the amount of cleaning required for ducts.ĭucts for returning air are located at floor level or in the walls depending on the design of the system. A return air grill also has a filter mounted on it to trap particulate matter and thus ensure that the recirculated air is more pure. ![]() They also act to close off the ducts from view. A return air grill will cover such ducts, and can also act to regulate the flow of air. This is done normally through return ducts which allow the air to be recirculated or completely vented to the outside in certain cases. This increases the air pressure in the conditioned area and at some time will act to even prevent any further air from entering unless a circulating system is set up to relieve the pressure. The openings that connect to ducts and other spaces for the returning air are normally covered with grillwork.Įvery cooling or heating system will have air being pushed though into rooms and spaces through a system of ducts. A return air grill connects to ductwork that allows air to return to any cooling or heating system.
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