We discovered BBs in early October. We live in a single family home and believe they were brought in on a suitcase as they were concentrated in a guestroom. We have had 3 full house heat treatments that have failed (first 2 with one company, 3rd with a new company). We discovered the "fail" immediately after the first two treatments so were hopeful 3rd time was the charm. Now we are experiencing bites and seeing new evidence. Due to a number of factors, I do not believe re-introduction is the issue. I believe Company #2 will retreat. Why do heat treatments fail in single family homes and what can we do to prevent another failure? What additional steps can we take to try to ensure success? I need this nightmare to end.
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