Then there should be plenty of money if it is legit. Or maybe they are trying to attract interest into to mainstream it. Although sounds like that already exists.
Or they have some technical issue that limits its capabilities.
I think there is plenty of money behind it.
But development takes time. Especially with new technologies.
I think they needed this test result to prove to the U.S. Patent Office that it is a working invention. For some reason Industrial Heat wants to protect the intellectual property.