Recently, several researchers have attempted to more effectively utilize the waste heat from
supermarket refrigeration systems using various other techniques. Use of waste heat to drive heat
pumps for space heating and/or cooling has been proposed. In addition, waste heat may be used to
preheat the regeneration air flow used in solid desiccant adsorption dehumidification systems or to
preheat the liquid desiccant in absorption dehumidification systems.