Solar Earth Inc. The value we offer is unmatched, providing highly attractive price points without sacrificing quality of materials, labor and individualized service. When Choosing a Solar Contractor, it is always an advantage for them to be local, reliable, articulate and friendly. Use American products only. Solar Earth is all of the above, located in the beautiful Santa Ynez Valley. All the Modules installed are manufactured by Solar World in Portland Oregon and backed by a twenty-five year guarantee. roofmount3The Inverters are manufactured by Colorado S.M.A – probably the best in the world. Roof Attachments and Ground Mounts are all manufactured in Vancouver, Washington.