For filters between 3 and 4 inches, it is recommended to change them every 6 to 9 months. For filters between 5 and 6 inches, they should be changed every 9 to 12 months. For example, a one-inch oven filter should be changed every 1 to 3 months. If you have a five- to six-inch coarse-grained filter, it is suggested to replace it every 9 to 12 months.
By replacing your filters when needed, you can ensure that your heating and cooling system will perform better and that the air in your home is clean and easy to breathe. If someone in your household has allergies, they will benefit from more frequent air filter changes. A filter is the median filter that cleans air before it comes into contact with electrical components inside the system, such as the fan blower. Pet owners can also appreciate filters, as they will help keep the air healthy for their family and pets.
Most 5 inch filters can work perfectly 6 months to a year after installation. So you don't have to change them as often as smaller filters require (i.e. 1 to 3 months). Using a thicker filter than recommended can restrict the amount of air that flows through the system, causing too much strain and reducing efficiency.
Your oven owner's manual will specify the best MERV rating for your oven and, in general, filters with a MERV rating of 6 to 9 should be changed every 90 days, while those with a MERV rating of 10 to 12 should be changed every 60 days. If your house has a lot of dust, you'll need to change one- and two-inch filters every month, four-inch filters every two months, and five-inch filters every three months. A flat filter, such as the Flanders front panel filter (available on Amazon), is designed to be changed every 30 days. It's a general recommendation to change your home's air filter every 30 days when using less expensive fiberglass filters.
A full filter won't stop extra dirt and debris from circulating around your home, causing your family to breathe more dust and allergens on a daily basis.
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