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Question - how often do you change the air filter on the air intake for your central A/C? I have a service contract for my heat and A/C. They did the annual system check this week and told me I should change the filter every month. That seems a bit excessive to me. I just changed it in April maybe. I have baseboard heat so it’s not like I have forced air heat and it runs all year. The unit only runs in summer. I thought twice a season was more than adequate. I’m ready to change it now again as I will probably run A/C through September. Thoughts?
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