• How, When & Why to Change Your Furnace Filter by Gallagher HVAC Services

    Have you ever wondered how often to replace your furnace filter?  Have you ever asked yourself, “what is the purpose of a furnace filter anyway?”  You’re not alone. We’re loving this super helpful video from our good friend Katey Gallagher at Gallagher HVAC Services in Mason, Ohio.  Katey does a great job of explaining how air […]