Known Solar Scams:
google turns up many listings for “power4home scam”; “power4home rip off”, ““power4home fraud”
All of these complaints are based on the customer actually getting something.
My experience with “power4home” is that I paid money and got nothing:
2008: charged $40 on credit card for information on solar power, Got Nothing
Emailed firstname.lastname@example.org got no response
2010: charged $9.97 for shipping and handling of “free” Power4Home DVD. Got nothing.