Heating & Cooling Services

Enhanced Air Filters

Low-efficiency filters (MERV 1-6) have little to no effect on indoor air quality. They are the cheapest option and not recommended, especially if your household suffers from asthma, allergies, or other respiratory problems.

Medium-efficiency filters (MERV 7-13) is the preferred range of efficiency for residential HVAC systems. These filters, normally pleated polyester or cotton, remove about 30 to 50 percent of particles (down to 1.0 microns). There are several options in this range on the market including disposable and washable designs.

High-efficiency filters (MERV 14-16) are great in theory, but often need modifications to your existing HVAC system. Without any adjustments, they could severely restrict airflow. These filters are used primarily for hospitals, restaurants and other public facilities that require a heavy-duty filtration system.

HEPA filters (MERV 17-20): HEPA filters are used for specialized systems, vacuum cleaners and commercial air filters. If you are thinking of upgrading your filter to a HEPA or electrostatic model, your system will probably need professional modifications.


For more information on air filtration options and types, check out our blog.

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