1:5:10:365 EcoTip Blog

May 1, 2008

:122 HEPA Filters

Filed under: :122 HEPA Filters — Tags: , , , , , , , — John Banta @ 12:01 am

Welcome to today’s 1:5:10:365 Tip for becoming a better steward for our home and planet.

1:5:10:122 EcoTip: A recent Danish study has shown that when HEPA filtration is used to reduce airborne particle levels in the homes of elderly participants their vascular blood flow was increased. The HEPA filtration reduced particle levels by about 60%.


 Additional Information

Suggested Review – :041, :042, :043, :110

I like portable HEPA filters better than those that are installed in HVAC systems. Portable systems allow you to focus the filtration in the area being occupied, and are much more serviceable and affordable.

Preventing infiltration (:041, :042, :043) and using a more efficient filter in the air handling system as described in :110 provides a pre-filtration of the air, which then can be further scrubbed by the HEPA filter.

 More information about the Danish study is at:


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