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Understanding the True Cost of Disposable Air Filters: A Surprising Analysis

The cost implications of a $16 disposable air filter escalating to an annual expense of over $1,000 for a tenant may seem far-fetched at first glance. However, this significant cost increase is grounded in research conducted by Montgomery, Green, Rogak, and Bartlett at the University of British Columbia (UBC). The UBC study examines the energy costs associated with HVAC filters, uncovering that the annual operating cost for a single air filter can range from $109 to an eye-opening $847 (Montgomery et al., UBC). This means that a seemingly modest $16 filter might contribute to minimum costs nearing $847 due to the energy required to push air through a clean filter.

However, filters begin losing efficiency almost as soon as they’re installed. They start accumulating dirt, influenced by the particulate load in the incoming air and the volume of air they process. The UBC research indicates that after about 90 days, particulates partially clog the filter, leading to an estimated annual increase in energy costs between $44 and $165. If left unchanged for 180 days, these costs can double, potentially adding an additional $330 per year in energy costs for each filter.

Factoring in the overall expenses, including the cost of the filter media itself, the labor involved in replacing the filter, productivity losses from inadequate ventilation, and the diminished efficiency due to dirt accumulation, it becomes evident how the annual costs can soar. According to the UBC study, the total annual cost per filter, encompassing these factors, can readily surpass $1,000 (Montgomery et al., University of British Columbia).

Source: Montgomery, Green, Rogak, and Bartlett, University of British Columbia (UBC).