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RH-Cube 18 is the HVAC industry’s first split-system dehumidifier to use a counter- flow heat exchanger for moisture removal and heat recovery within a small footprint.

DewAir Corporation, an Ottawa-based manufacturer of HVAC and IAQ products, has introduced the RH-Cube 18, the HVAC industry’s first split-system mechanical dehumidifier using a compact, energy-efficient counter-flow heat exchanger for dedicated humidity control.

The RH-Cube 18 reduces air conditioning energy costs up to 55-percent and increases indoor air quality (IAQ) for restaurants, hotels, schools, healthcare clinics, athletic facilities, offices, grow-ops, factories, museums, warehouses, residences and many other applications with small to medium spaces requiring humidity control.

The 18,000-BTU/hr, 600-CFM unit independently supplements any air conditioning system by removing up to 206-lbs and 273-lbs (93 or 123-kg) of moisture/day at 45-per cent and 60-per cent relative humidity (RH), respectively. The RH-Cube 18 uses an R-410A refrigeration circuit/cooling coil to condense airborne moisture.

However, unlike conventional air conditioning that often overcools a space while maintaining RH, the RH-Cube 18’s counter-flow heat exchanger energy-efficiently recovers return air heat to warm the cooled discharge air slightly below the room’s comfort zone temperature.

The patented, air-to-air counter-flow heat exchanger’s compact size outperforms other dehumidification methodologies many times larger than the RH-Cube 18 indoor evaporator/air handler’s small 38.2 (h) x 44 (w) x 28.4 (d)-inch (97 x 112 x 72-cm) footprint.

Moreover, the compact size and capacity make it ideal for spaces under 12,000 square feet such as food processing areas during wash downs, sports locker rooms, hotel hallways, grow-ops and other areas where excessive moisture can generate mold, mildew and other IAQ health issues.

The 1-1/2-ton condenser is 220-V single-phase and the 120-V indoor air handler includes a grounded plug for connecting to any nearby electrical outlet. The condenser can be installed up to 82 feet away and 50 feet high from the indoor air handler. The unit’s condensate pan is gravity drained, however secondary pans, P-traps and condensate pumps can easily be added to comply with local codes.

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