Sounds just like a SCAM !

Years ago, when I worked for a local Lennox dealer, HVAC service, two bozos approached me in a parking lot trying to sell me speakers. I was in the service van, eating lunch, in one of the malls where there's a nearby "fast food" drive up, and wasted no time telling them EXACTLY where to head and just how to do that.

There was damn near a fight. I SO much wanted to get out of that truck with that big piece of pipe!!!