Cosmos Air Purification

Custom Filters

We pride ourselves in our ability to design & manufacture custom size filters to meet your needs and HVAC specifications. We match your HVAC needs with our flexible manufacturing to give you the best lead times in the industry to meet all, if not exceed your filter needs


We offer complete services for all things filtration and clean air. Our specialties include:

Air Monitoring | Coil Cleaning  | Duct Cleaning | Filter Changes | Indoor Air Quality | Retro Fit Systems | System Design

We manufacture, custom design and stock many of the products you need to service your systems. This means less waiting and quicker turn-around-time to keep your HVAC system finely tuned and running at top performance


Wondering how Cosmos Air Purification can help? It's Simple! Filternomnics™, our unique program created with you in mind, to help you:

Reduce your maintenance costs; Increase your operating efficiency; Improve the air quality of your building


Eco-friendly is earth-friendly or not harmful to the environment. Eco-friendly products also reduce contributions to air, water and land pollution. You can engage in eco-friendly habits or practices by being more conscious of how you use the resources around you


ASHRAE, founded in 1894, is a nonprofit building technology society with more than 50,000 members worldwide. The Society and its members focus on building systems, energy efficiency, indoor air quality and sustainability within the industry. Through research, standards writing, publishing and continuing education, ASHRAE shapes tomorrow's built environment today.

U.S. EPA News feed

U.S. EPA News feed

USGBC Articles

  • Authored by: 
    Kristen Swanson
    Feature image: 

    This month,Wes Sullens was recognized as one of USGBC's Above and Beyond Volunteers—a volunteer leader whose contributions have led to outstanding achievements in the green building movement.

    read more

  • Feature image: 

    Last year USGBC released an app, which enabled users to read USGBC publications and articles on an iPad through a beautiful, and easy-to-use interface.

    The app provides access to the latest news and articles published on usgbc.org, as well as access to all publications associated with the usgbc.org site user account.

    With our most recent update, you can now watch courses on the go. The newly launched “Education” section of the app helps you to find and watch the right course for you to grow your knowledge of LEED and green building. 

    read more

  • Authored by: 
    Hyunjin Koo
    Feature image: 

    Korea’s Songdo International Business District (IBD) has reached another green building milestone and now totals 19.5 million square feet of LEED-certified space. Songdo IBD, an exciting new 1,500-acre city being built on reclaimed land on the coast of Incheon, South Korea, continues to bolster its position as one of the world's most ambitious LEED developments.

    read more

Contact Us

Cosmos Air Purification & Environmental Systems, Inc


Contact Information

Phone: (301) 925-1604 | Fax: (301) 925-1607 | Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

3611 Pennsy Dr Landover, MD 20785


Hours of Operation: Mon-Friday 8:00am to 5:30pm

Copyright @2014 Cosmos Air Purification. All Rights Reserved.