This page is a fun look back at some of the early advertisements for the boler travel travel that appeared in newspapers from across the country. 

Ensolite insulation makes it boler debut (advertisement above)

Advertisements for factory installed Ensolite insulation in boler models debuted in newspapers in 

August /September of 1969 approximately one year after boler production started. Up until this time, bolers were sold without insulation - just raw painted fiberglass interiors.