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RESEARCH PAPERS

Environmental and Energy Efficiency Evaluation of Residential Gas and Heat Pump Heating

[+] Author and Article Information
A. R. Ganji

Division of Engineering, San Francisco State University, San Francisco, CA 94132

J. Energy Resour. Technol 115(4), 264-271 (Dec 01, 1993) (8 pages) doi:10.1115/1.2906431 History: Received August 21, 1991; Revised November 24, 1992; Online April 16, 2008

Abstract

Energy efficiency and source air pollutant emission factors of gas heaters, gas engine heat pumps, and electric heat pumps for domestic heating have been evaluated and compared. The analysis shows that with the present state of technology, gas engine heat pumps have the highest energy efficiency followed by electric heat pumps and then gas heaters. Electric heat pumps produce more than twice as much NOx , and comparable CO2 and CO per unit of useful heating energy compared to natural gas heaters. CO production per unit of useful heating energy from gas engine heat pumps without any emission control is substantially higher than electric heat pumps and natural gas heaters. NOx production per unit of useful heating energy from natural gas engine heat pumps (using lean burn technology) without any emission control is about the same as effective NOx production from electric heat pumps. Gas engine heat pumps produce about one-half CO2 compared to electric heat pumps.

Copyright © 1993 by The American Society of Mechanical Engineers
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