There are heat treatments. We’ll admit, they’re pretty effective at raising the heat in the home high enough to kill bed bugs (or at least those bugs that aren’t chased into different parts of the house by the rising heat).
For more: http://hoofia.com/best-bed-bug-treatment-spray-bully/
But if you’ve ever been quoted a price, you know that the sticker shock can scare people away quickly. Heat treatments can be as much as $2000 for a whole-house treatment.