Anyone have one of these?
Do they really work to lower your heating costs?
Thoughts?
http://www.hsn.com/infomercial/heat...=665&sf=HD&dept=HD0060&cat=HD0088&o=&ocm=seis
Do they really work to lower your heating costs?
Thoughts?
http://www.hsn.com/infomercial/heat...=665&sf=HD&dept=HD0060&cat=HD0088&o=&ocm=seis