Think outside the box for a moment. A heat pump seemingly generates more heating/cooling than the energy required. But the heat pump moves heat rather than creating it from the input energy.
"outside the box thinking" is precisely what con artists want you to engage in whenever they come up with some scheme like this.
nobody was ever too SMART to be scammed, but there were/are a lot of people too DUMB to be taken in. One of the first thing a scammer will do is compliment your intelligence.
the more I think about this the less convinced I am as to it's authenticity. does this guy use a tinfoil hat to keep the government off his case?