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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.

Facility electrical and mechanical space with a monitoring overlayIAQ & odor

Identify · Apply · Verify™

How it was done.

  1. Identify

    Personnel air-quality complaints and a musty mold smell in coastal modular HVAC units — conditions in which the manufacturer warns against operation.

  2. Apply

    A Cognituv FreshFilter system integrated into the mobile exterior Bard HVAC units for continuous coil and air treatment.

  3. 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

More case studies

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Uptime

Tuffy’s Pet Foods

Food manufacturing · Perham, MN

Predictive maintenance on a 24/7 line

Wireless vibration and temperature sensors on motors, conveyors and mixers — faults caught weeks before failure, with no wiring.

IAQ · Energy

Morgan Stanley

Finance · Commercial office · Global headquarters · Times Square, New York, NY

Chosen over eight competing solutions

A third-party industrial hygienist evaluated eight solutions for energy efficiency and occupant wellbeing. Cognituv on-coil UV-C was selected — and verified.

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