For allergy sufferers and fans of clean indoor air, filters are an essential part of life. Without the air filters in our tiny apartment spring
would be even less bearable than it already is and we thank our lucky stars for their presence in our home. However as much as we love our air filters we admit that we are not awesome at knowing when to replace them. Is it the same guideline for the fan as it is for the HEPA, what about the AC?