07 Apr Minipleat vs Durafil ES 2 High Efficiency Air Filters
Secondary filters are not only expensive, but they also put a big energy drag on an HVAC system because of their increased resistance to airflow. But that energy drag can be greatly reduced by simply switching air filter styles/makes! Take a look at the following energy use demonstration to see one of the increasingly common high efficiency air filters, the Compact Minipleat compares to the Cutting Edge Durafil ES 2 made by Camfil:
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