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

  • Feature image: 

    It’s not a myth; too much of a good thing can be bad, and green marketing is no exception.

    You want to make sure all of your current and potential stakeholders know about your newest LEED certified building or sustainability initiative. There’s no shame in that. In fact, you should actively promote your efforts to become greener each and every day. The trick is striking the perfect balance between informing and inundating.

    Here are a few methods to help combat the madness.

    read more

  • Feature image: 

    David Gottfried, the founder of USGBC and the World Green Building Council, has recently published Explosion Green, a book that tells the story of the first 20 years of the global green building movement of which Gottfried played a major role in pioneering.

    Check out the video below of an interview with ASSA ABLOY's Director of Sustainable Building Solutions, Aaron Smith, and David.

    read more

  • Published on: 
    25 Nov 2014
    Feature image: 

    This article was originally published in the Cary Citizen on Nov. 14, 2014. Read the original article.

    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.