@misc{1144966, author = {Piotr A Domanski and Byoung Soon Kim}, title = {Method for estimating the energy efficiency ratio of mixed system air conditioners and heat pumps:}, year = {1997}, month = {1997-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.IR.6045}, language = {en}, }