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Our department's managers say every 6 months, but I've been told they should be changed quarterly.

2006-06-12 05:25:15 · 3 answers · asked by Jennie 1 in Home & Garden Maintenance & Repairs

3 answers

a pleated filter quarterly a fiber filter monthly

2006-06-12 08:08:50 · answer #1 · answered by jeremy&gale 3 · 0 0

commerical unit filters r designed to be change according to the specs of the filter. many house filters, the high end ones say change every 2-3 weeks. some every 4 weeks....

in our commercial jobs my HVAC guys tells the owners to change them every 2-3 months.

lic. gen. contractor

2006-06-12 14:59:18 · answer #2 · answered by bigg_dogg44 6 · 0 0

Once a month

2006-06-12 12:30:53 · answer #3 · answered by applpro 4 · 0 0

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