LAS VEGAS — New desiccant dehumidifier models unveiled at the 2026 International Restoration Expo are achieving moisture removal rates that outperform refrigerant units in cold-weather conditions, cutting drying times by up to 30 percent on winter restoration jobs where temperatures drop below 60°F.
Refrigerant dehumidifiers lose efficiency rapidly as temperatures fall, because the refrigeration cycle requires a temperature differential between the air and the evaporator coil to condense moisture. Desiccant units, which use a hygroscopic rotor to absorb moisture directly from the air, maintain consistent performance down to 35°F.
The new models from Dri-Eaz and Munters incorporate advanced silica gel rotors with improved surface area and thermal regeneration efficiency, reducing energy consumption by approximately 20 percent compared to previous-generation desiccant units while increasing moisture removal capacity.
Restoration contractors in northern states and at high-altitude job sites report that the new desiccant units have transformed their ability to meet IICRC S500 drying goals on winter jobs, where refrigerant dehumidifiers previously required supplemental heating to maintain effectiveness.
The units are priced at a premium over refrigerant dehumidifiers — typically $3,500 to $6,000 per unit — but contractors say the reduced drying time and improved outcomes justify the investment, particularly on large commercial jobs where extended drying timelines carry significant liability.
