Will heat kill bedbugs?

Yes, heat will kill bed bugs. In a 2002 issue of an industry journal, Pest Management Professional, Dr. Hanif Gulmahamad states, "It has been reported that bed bug eggs have been killed after an exposure of one hour at 113F, and first-instar nymphs died after 15 minutes of exposure to the same temperature. For adult bed bugs, the thermal death point is reported to be 111.2F." There are additional references to similar temeratures (Usinger, 1966) and in Chapter 8 of the Mallis 9th edition, Handbook of Pest Control.