From standing outside you don't see any bees. It "appears" the nest is dead. So from that standpoint. I'm happy.
BUT, after 48 hours I was experiencing bees INSIDE! They came back out 7 days later and saw for themselves bees in my lower level in back room. They caulked around the electrical unit. So far no longer seeing any in the front part of the lower level.
BUT still seeing bees inside in the back room. After their 2nd visit to inspect, they told me to monitor for another week and call back if still seeing them. Saw one today buzzing around in the lower level window (sun, 10/15 3 days after they came)
Have to admit, a bit scared. Not use to this!
But trying to trust T&C for now...