In general, these names are just a marketing terminology. When and air scrubber is used to create negative pressure in containment, it is often called neg air machine. When used for recirculation and purification of air in open area, it could be called air scrubber or air filtration machine. OmniAire machines are built to provide a high quality service in any environment and application. Your specific requirements regarding airflow, type of project, accessibility are the important factors in choosing right equipment for you. See our Comparison of OmniAire HEPA Air filtration machines.

For the safety of the users and the acceptance of the equipment on governmental, hospital renovations and many other projects, equipment has to meet the requirements of the applicable electrical codes. To verify the UL & CSA/IEC safety compliance and listing, each machine has an identification label with name of NRTL which performed the test and the manufacturer file number.

Use of negative pressure containment with HEPA air filtration prevents spread of asbestos fibers, mold and other contaminates to the outside of contained work area, All exhausted air is purified by HEPA negative air machine to create negative pressure and required air changes (ACH) inside the contained work area. In order to create a negative pressure environment more air must be exhausted from the space then leaking in. . See our Air Flow Calculator to assist you with your airflow requirements.

Our Air Flow Calculator will provide a quick answer on required cfm and type of machines. Just enter the size of your work area and the number of air changes per hour (ACH). Six or more ACH are recommended for construction and renovation projects. 

The frequency of changing filters depends on:

• Amount and size of airborne dust particulates
• Airflow requirements
• High static pressure drop across the filters (see User Manual)
• Risk of cross contamination from one project to another

Dustlock primary/secondary filter should be replaced when its orange, downstream side shows signs of discoloring by dust. Our dual density poly media captures particulates in full depth of the filter media rather than on the surface, as pleated filters do. The m edia is treated with tactifier to prevent release of captured dust and antimicrobial additive to prevent growth of virus and bacteria. Frequent replacement will help to maintain high airflow and protect the more expensive HEPA filter.

The HEPA filters should be replaced when the airflow decreases below your requirements or when pressure (“WC) across the filter increases to recommended replacement pressure – See User Manual. Some of our OmniAire air filtration machines are equipped with a simple Filter Change light to indicate that filters should be checked or replaced.

HEPA filters become even more efficient when loaded with particulate matter, but the airflow resistance increases and the airflow could be reduced to zero. Average HEPA filter life is 800 t0 1000 operation hours.

High-efficiency particulate air or HEPA is a type of air filter. Filters meeting the HEPA standard have many applications, including use in hospital renovations, abatement of asbestos, mold and lead, restoration after water damage and many other. The filter must satisfy certain standards of efficiency such as those set by the United States Department of Energy (DOE). To qualify as HEPA by US government standards, an air filter must remove 99.97% of all particles greater than 0.3 micrometer from the air that passes thru the filter. Click HEPA filters for more…

Our large OmniAire air filtration machines can be equipped with HEPA filters or with bag filter to remove construction dust from the air at work place. The Bag Filter with a housing adapter can be quickly installed in place of HEPA filter, creating a portable dust collection system. Our bag filters with MERV14 efficiency are very economical filters for collecting and holding large amounts of dust and debris which would quickly clog an expensive HEPA filter.

The odor and VOCs can be removed from air with OdorGuard600 and Vapor Trap carbon web filter added to OmniAire machine. For odors associated with water damage, sewer flood, fires and mold, use our PEROx air purifier to destroy safely the source of odor without using chemicals. PEROx unit contains Ionized-Hydro–peroxide generator which is very effective in destroying all types of VOCs, chemical fumes, decay odors, mold spores, virus and bacteria. This purification process is safe for workers and inhabitants.