Aerospace & defense · Modular facilities
Northrop Grumman: 18 months without an air-quality complaint.
Annapolis, MD
Coastal modular HVAC units with a persistent musty smell. A FreshFilter retrofit stopped it — zero complaints in the 18 months since.
Annapolis, MD
Inside: a wall unit
Identify · Apply · Verify™
How it was done.
Identify
Personnel air-quality complaints and a musty mold smell in coastal modular HVAC units — conditions in which the manufacturer warns against operation.
Apply
A Cognituv FreshFilter system integrated into the mobile exterior Bard HVAC units for continuous coil and air treatment.
Verify
Zero air-quality complaints in the 18 months since installation; the facilities engineer reports confidence in keeping DoD operations open longer.
Successful outcomes
What changed.
18 months complaint-free
- Fewer filter changes
- Energy savings; improved IAQ
- Extended HVAC and facility lifespan
Products in this project
Installed: Cognituv FreshFilter · Bard wall-mount HVAC. Source: Cognituv customer case study.
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New Braunfels ER & Hospital: Lower turnover and fewer sick days on the HR record
Healthcare · Emergency room · New Braunfels, TX
ER staff work with known exposure to pathogens. Overwatch 2x2 units treat the air continuously, and the hospital’s HR records since show lower turnover and fewer sick days.
Nebraska Humane Society: A decade-old odor problem, solved
Commercial · Animal shelter · Omaha, NE
Intense animal odors had beaten a decade of other fixes. Overwatch 2x2 purifiers set into the drop ceiling resolved them, using no floor or wall space.
Start with a no-cost facility assessment.
A call with an engineer, then a written recommendation for treatment, monitoring or both, sized to your equipment.