Simply buying the most efficient model of a 22-cubic-foot chest freezer will cost (if anything) $10 more and save about 160 kWh ... A manual-defrost upright freezer uses about 30 percent less electricity than a comparable frost-free model (R. D. Clear ... These improvements are identical to those for the frost-free model, with the exception of those measures directly related to the automatic defrost system.
|Title||:||Supplying Energy Through Greater Efficiency|
|Author||:||Alan Meier, Janice Wright, Arthur H. Rosenfeld|
|Publisher||:||Univ of California Press - 1983-01|