How Do You Find A Custom Size Furnace Filter?
Furnace filters are real powerhouses; they reduce the amount of dust in a home, cut down on indoor airborne allergens and help prevent unnecessary wear on HVAC (heating, ventilating and air-conditioning) systems. But some furnace systems have oddly-sized or shaped vent openings that prohibit the use of off-the-rack furnace filters. It’s very important that you have the right size filter, so if your furnace and vents are somewhat irregular, follow this process to find the right custom filter. Review any documentation you have on your HVAC system to determine the number, location and size of all the filter installation points. This varies from one system to the next, but most systems include one filter at each cold-air return and may include one or more filters on the furnace unit itself. Examine each filter installation location. If custom filters are already installed, remove them temporarily and measure their dimensions. If no filters are installed, carefully measure the dimensions of
