Development and testing of a new run-around, membrane energy exchanger (RAMEE) system for buildings

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More than 30% of the energy used in Canada is directed to control the indoor comfort conditions and to provide an adequate supply of conditioned ventilation air for buildings. For various types of commercial buildings, 20 to 50% of the energy used may be used to condition outdoor ventilation supply air to maintain comfort conditions while the same amount of indoor air is exhausted. Using commercially available energy wheels, heat and moisture exchange between the supply ventilation air and the exhaust air can reclaim 80% of the waste energy in the exhaust air; however, it may be not cost effective for retrofitting existing buildings because the supply and exhaust air ducts are not side-by-side. The purpose of this project is to develop and test a new run-around, membrane energy exchanger (RAMEE) system for buildings that will transfer heat and moisture between remote supply and exhaust ducts. This novel RAMEE system is expected to be cost effective in both new and retrofit applications.