Somewhere I heard the benchmark that you need to change your furnace filter every 3 months.
My Dad told me he heard that if you have a pet, you should change it about every month.
So for each pet, the time gets reduced to 1/3. With 8 pets, if the same reduction holds the life time of a filter with 8 pets in the house is 1/6561 of the normal time. So we should be changing our filter every 20 minutes (19.75 to be exact).
I think I'll stick with the every month, every 2 weeks at the shortest. I tried going 3 months at one time and man o man was that filter dirty. The amount of hair in this house is amazing. At least I am not contributing much to that total. :)
My Dad told me he heard that if you have a pet, you should change it about every month.
So for each pet, the time gets reduced to 1/3. With 8 pets, if the same reduction holds the life time of a filter with 8 pets in the house is 1/6561 of the normal time. So we should be changing our filter every 20 minutes (19.75 to be exact).
I think I'll stick with the every month, every 2 weeks at the shortest. I tried going 3 months at one time and man o man was that filter dirty. The amount of hair in this house is amazing. At least I am not contributing much to that total. :)
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