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Bry-Air Desiccant Dehumidifiers for Industrial Moisture Control
How Bry-Air Desiccant Technology Works
Bry-Air desiccant dehumidifiers pass process air over a rotating desiccant wheel that removes moisture through chemical adsorption rather than refrigerant cooling. A heated regeneration airstream continuously drives captured moisture out of the wheel as exhaust, keeping the desiccant active without interruption. Because the process requires no evaporator coils, there is no icing at low ambient temperatures and no efficiency drop as conditions fall below freezing. Bry-Air industrial desiccant units operate continuously at temperatures where refrigerant dehumidifiers stop working, and the desiccant process reaches relative humidity levels below 30% RH that refrigerant technology cannot physically achieve. ASHRAE Standard 62.1 defines acceptable indoor humidity ranges for commercial and industrial facilities — desiccant technology is the only reliable method for maintaining those targets in cold or low-humidity environments.
Bry-Air Applications: Cold Storage, Pharma, and Restoration
Cold storage facilities are the primary application for Bry-Air equipment: walk-in coolers, blast freezers, and refrigerated warehouses accumulate moisture that refrigerant dehumidifiers cannot address because ambient temperature defeats their operation. Pharmaceutical manufacturing requires precise low-humidity environments for product stability and process control, where desiccant units meet stricter RH targets than refrigerant alternatives — the EPA's indoor air quality guidelines for controlled environments recommend maintaining RH below 50% to prevent microbial growth. Printing plants control humidity to prevent paper curl and ink adhesion defects on high-volume press lines. Water damage restoration contractors deploy portable Bry-Air units on structure drying jobs in unheated buildings during winter months when LGR dehumidifiers lose effectiveness, consistent with IICRC S500 Water Damage Restoration Standard psychrometric requirements. Concrete curing, document preservation, and electronics manufacturing storage are additional applications where sub-30% RH targets require desiccant rather than refrigerant technology.
Related: Desiccant Dehumidifiers · LGR Dehumidifiers · Dehumidifiers for Mold · Restoration Equipment
Bry-Air MiniPAC Models and Sizing
The Bry-Air MiniPAC series covers portable and semi-permanent desiccant dehumidification across a wide capacity range. The MP-100 at 100 CFM and 3.3 lbs/hr and the MP-175 at 175 CFM and 5.8 lbs/hr handle crawl spaces, server rooms, and small enclosed areas on single-phase 208-240V power. The MP-350 at 350 CFM and 11.7 lbs/hr and the MP-600 at 600 CFM and 20 lbs/hr address mid-size commercial spaces and job-site drying on three-phase supply. The MP-1200 at 1,200 CFM and 39.6 lbs/hr and MP-1800 at 1,800 CFM and 54 lbs/hr cover large production floors and warehouse environments. The MP-2700 at 2,700 CFM on 460V three-phase serves the largest industrial installations. Sizing a Bry-Air desiccant dehumidifier requires accounting for target humidity level, ambient temperature, moisture sources, and air change rate — variables that carry more weight in desiccant selection than in standard refrigerant sizing.