Most people are aware that outdoor air pollution can damage their health but may not know that indoor air pollution can also have significant effects. EPA studies indicate that indoor air levels of many pollutants may be 2 - 5 times higher than outdoor levels.

The efficiency of a filter refers to the percentage of contaminants in the air that become trapped in the filter. For example a 7% efficient filter will allow 93% of contaminants in the air to be recycled back into your home.

MERV - Minimum Efficiency Report Value. Reports a filter's ability to capture larger particles between 0.3 and 10 microns. This value is helpful in comparing the performance of different filters. The rating is derived from a test method developed by the American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE).

The higher the MERV rating the better the filter is at trapping specific types of particles.

Disposable filters need to be replaced monthly.
Invest in a permanent filter and never buy a filter again!

LOW GRADE DISPOSABLE 7% EFFICIENT
HAMMOCK STYLE 7% EFFICIENT
1" PLEATED 20-30% EFFICIENT


*A special note on disposable filters, the efficiency of these filters depends on frequent replacement. A disposable filter that is dirty will not trap any additional dirt. Once it is dirty the efficiency is 0%.

Permanent Filters need to be washed monthly to maintain their efficiency levels.

ELECTROSTATIC 90% EFFICIENT
ELECTRONIC 95% EFFICIENT
Trane Clean Effects
 99.98% EFFICIENT

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