I usually buy a new air filter for my heating as well as AC system once a week, but i make frequent trips to the hardware store, because of my business. I work as an electrical engineer as well as I have my own business. I work on lots of odd construction projects. I always supply consults on building management systems as well as smart homes… Since I am frequently at the hardware store, there is genuinely no reason to have a lot of air filters at the house. If there is a sale, that is an really odd thing. I got the air filters on sale at the hardware store last week, but they are normally $11 each but they were on sale for $8 each. 30% savings was strenuous to let go. I decided to buy a whole box of 12, then now my husband as well as I will not need air filters for the heating as well as AC system for the next year, then at that price, the people I was with and I can even afford to change them every two weeks. It’s not as if it would hurt the indoor air pollen levels. It is frequently dusty as well as the people I was with and I have to worry about viruses care about covid as well as monkeypox. I definitely want my family to be healthy. It also helps the health of the heating as well as A/C, when the air filters are changed more frequently, the heating as well as A/C is cleaner as well as runs more efficiently. During the times when the temperatures outside are over 100°, it’s nice to know that my heating as well as A/C is running at peak performance with clean parts