Understanding MERV and HEPA: Which Air Filter Is Best for Your Home?
Indoor air quality plays a major role in your family’s comfort. In Savannah, GA, where humidity, pollen, and seasonal allergens are common concerns, the type of air filter you use can make a noticeable difference. Many homeowners hear terms like MERV and HEPA, but are not always sure what they mean or which option makes the most sense for their home. Knowing the difference helps you choose a filter that supports cleaner air without putting unnecessary strain on your system. Some filters work in air purifier systems, but aren’t appropriate for use in your HVAC unit. What Does MERV Mean? MERV stands for Minimum Efficiency Reporting Value. It is a rating system that measures how effectively an air filter captures airborne particles. The higher the MERV rating, the smaller the particles the filter can trap. Residential systems commonly use filters rated between MERV 8 and MERV 13: MERV 8 filters capture dust, lint, and larger particles MERV 11 filters trap finer particles like pet dander and mold spores MERV 13 filters can capture even smaller particles, including smoke and some bacteria For many Savannah homes, a MERV 11 or MERV 13 filter provides a strong balance between filtration and airflow....
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