An Evaluation of a Residential Energy Conserving HVAC System and a Residential Energy demand/management System

Document Type



In this article, the results of an experimental investigation of an evaporatively water-cooled (EWC) condensing residential HVAC system to increase the performance of a vapor compression refrigeration system and an energy demand/management (EDM) for residential application are presented. The EWC has shown an approximately 56.0 percent electric energy savings over an air-cooled unit of the same tonnage. The increase in water consumption was monitored elsewhere as a 6 percent increase over that of the air-cooled unit. The overall cost savings were estimated at 43.0 percent when including the additional water costs. The EDM for residential applications has shown its potential as an energy demand control/management system for the utility and can also be used as an energy management system for the homeowner as well. A survey of some of its capabilities are presented here.


Air conditioning; Dwellings – Energy consumption; Energy conservation; Evaporative cooling; Refrigeration and refrigerating machinery


Energy Systems | Heat Transfer, Combustion | Mechanical Engineering | Sustainability


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