Industry Guidelines

The National Air Filtration Association creates best practice guidelines unique to each specific industry. Some of our staff are continuously contributing to these guidelines based on our over 50 years of experience as a leader in the air filtration industry. 

Logo of the National Air Filtration Association featuring a stylized blue air filter and the organization's name in bold blue letters.

What Are NAFA Best Practice Guidelines?

The National Air Filtration Association (NAFA) develops best practice guidelines for filtration across a variety of industries and facility types. These resources help facility owners, managers and HVAC professionals understand filtration considerations and recommended practices for their environments.

NAFA Best Practices Industry Guideline Library

Filtration for Airborne Infections Containment Rooms in Health Care Facilities

Cover page of a publication by the National Air Filtration Association titled 'Best Practice Guidelines: Filtration for Airborne Infections Containment Rooms in Healthcare Facilities', featuring medical personnel in PPE beside a patient in a hospital bed behind glass, with a COVID-19 caution sign.

This best practice guideline establishes criteria for using air filtration in the removal of airborne infectious pathogens from hospital containment rooms for the purpose of protecting staff, patients and visitors from nosocomial infections.

Filtration for Commercial Office Spaces

Cover page of a booklet titled "Best Practice Guidelines: Filtration for Commercial Office Spaces" by the National Air Filtration Association, featuring a modern office building with glass windows and a blue color scheme.

This best practice establishes air filtration guidelines for the removal of particulate, bioaerosols, and gaseous contaminants for the protection of the air handling equipment and components, as well as providing comfort and a healthy environment for all who work and visit commercial office spaces.

Filtration for Air Filtration in Computer Data Centers

Cover page of a guide titled 'Best Practice Guidelines: Filtration for Air Filtration in Computer Data Centers' by NAFA, showing a row of server racks in a data center.

Data Centers require highly controlled air quality to protect critical Information Technology (IT) infrastructure from airborne contaminants such as particulate, volatile organic compounds (VOC’s), and corrosive gases.

Filtration for Higher Education Complexes

Cover page of a document titled 'Best Practice Guidelines: Filtration for Higher Education Complexes', published by the National Air Filtration Association (NAFA), featuring a brick university building with greenery in the foreground.

This best practice air filtration guideline is established for the removal of particulate and molecular contaminants (please refer to NAFA Guidelines for Molecular Filtration) for the improvement of indoor air quality and protection of HVAC equipment in Higher Education facilities.

Filtration for Libraries, Archives and Museums

Cover page of a guide titled 'Best Practice Guidelines: Filtration for Libraries, Archives and Museums,' with an interior view of a library featuring wooden arches and shelves filled with books.

This best recommended practice establishes air filtration guidelines for the removal of particulate and gaseous contaminants for the protection and long-term preservation of historical documents and artifacts.

Filtration for Schools

Cover page for a guide titled 'Best Practice Guidelines: Filtration for Schools' by NAFA, featuring a modern school building with large windows, trees, and a clear sky.

This best practice establishes air filtration guidelines for the removal of particulate, bioaerosols, and gaseous contaminants for the protection of the air handling equipment and components, as well as providing comfort and a healthy environment for all who work and visit commercial office spaces.

Filtration for Spray Finishing Particulate

Cover of a guide titled 'Best Practice Guidelines: Filtration for Spray Finishing Particulate' by NAFA, with an image of a person in protective gear spray painting a vehicle in a workshop.

This best-recommended practice establishes air filtration and spray collection guidelines for the removal of airborne contaminants for the protection of the employees, equipment, and environment in commercial and industrial spray booths.

Filtration for Welding Fumes

Cover page of a guide titled 'Best Practice Guidelines: Filtration for Welding Fumes' by the National Air Filtration Association, showing a person welding with sparks flying.

This best practice establishes air filtration guidelines for the removal of particulate and gaseous contaminants from the immediate breathing zone of employees engaged in the process of welding.

Filtration for Continuing Care Retirement Communities

Cover page of a guide titled 'Best Practice Guidelines' for filtration in continuing care retirement communities, featuring an outdoor courtyard with benches, plants, and a building in the background, and a logo for the National Air Filtration Association.

This best recommended practice establishes air filtration guidelines for the removal of particulate and gaseous contaminants for the protection and long-term preservation of historical documents and artifacts.

Filtration for Firing Ranges

Cover page for a guide titled 'Best Practice Guidelines: Filtration for Indoor Firing Ranges' by the National Air Filtration Association, featuring an image of indoor firing range target panels and the NAFA logo.

This best recommended practice establishes air filtration guidelines for the removal of airborne contaminants for the protection of employees and participants in indoor firing ranges. To identify air quality issues associated with indoor firing ranges.

Filtration for Molecular Filtration

Cover page of a guide titled 'Best Practice Guidelines: Filtration for Molecular Filtration' by the National Air Filtration Association, featuring a graphic of molecules and social media icons at the bottom.

This best practice guideline is designed to provide a general overview of how best to apply molecular filtration in HVAC applications where the need to remove gaseous airborne contaminants exists.

Filtration for the Residential HVAC Industry

Cover page of a guide titled 'Best Practice Guidelines: Filtration for the Residential HVAC Industry' by the National Air Filtration Association, featuring a neighborhood with modern houses and green lawns.

This best practice guideline establishes air filtration for the removal of particulate and gaseous contaminants for the protection of the Heating, Ventilating, and Air Conditioning (HVAC) equipment and components, as well as providing comfort and a healthy environment..