| Flow through humidifier concern I have an aprilaire 401 filter...it is a "two year" filter composed of a paper/cloth material. My concern is ,if I install a flow through humidifier.... I will be pulling moist air through the filter and acrossed the fan and A coil. I think this will damage the filter and cause mold to form. Have any of you HVAC tec's had any experience with these problems. |