With this hot weather we’ve been having, it’s important to check your furnace filter regularly. During the hot summer months air conditioners are working overtime to keep us cool. Since the air conditioner is running more often it is blowing more air through the filter. When more air is moving through it, more dirt, dust and other pollutants get drawn inside. You should check your furnace filters every month or two when the air conditioner is in constant use. It’s important to check the outside condenser as well as it should be clean and free from debris, cottonwood fluff, etc.