Model HRE heat recovery ventilator is specifically designed to condition outside air without mechanical refrigeration, in relatively hot and arid climates, the company states. It incorporates a sensible energy recovery wheel and evaporative cooling modules to condition outdoor air. Model HRE is available in four sizes, providing airflow capacities from 1,000 to 10,000 CFM, with external static pressures up to 1.5 WG. Indirect gas-fired, hot water, and electric heating options are also available.

Greenheck, P.O. Box 410, Schofield, WI 54476-0410; 715-359-6171; 715-355-2399 (fax); www.greenheck.com (website).

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