Changes

===Freezing===

===Freezing===

A study on freezing bedbugs showed that 2 hours at 14°F killed all bedbugs and eggs when placed directly (not in clothes) in the freezer. But when a bag of laundry was placed in the freezer, it took about 8 hours for the temperature at the center of the bag to reach -17°C.<ref>[http://www.ingentaconnect.com/content/esa/jee/2010/00000103/00000001/art00018 Naylor, R. A.; Boase, C. J. ''Practical Solutions for Treating Laundry Infested With Cimex lectularius (Hemiptera: Cimicidae)''] Journal of Economic Entomology, Volume 103, Number 1, February 2010 , pp. 136-139(4</ref>

A study on freezing bedbugs showed that 2 hours at 1.4°F killed all bedbugs and eggs when placed directly (not in clothes) in the freezer. But when a bag of laundry was placed in the freezer, it took about 8 hours for the temperature at the center of the bag to reach 1.4°F.<ref>[http://www.ingentaconnect.com/content/esa/jee/2010/00000103/00000001/art00018 Naylor, R. A.; Boase, C. J. ''Practical Solutions for Treating Laundry Infested With Cimex lectularius (Hemiptera: Cimicidae)''] Journal of Economic Entomology, Volume 103, Number 1, February 2010 , pp. 136-139(4</ref>

===Volumetric heating===

===Volumetric heating===