If the ducts are inefficient, he can locate and seal the gaps, typically for $25 to $35 per vent (per ârunâ in industry jargon), or replace the ductwork entirely with new, insulated pipe for around $100 per run, according to Guiles.
Born on May 2, 1955, in Reggio Calabria, Italy, designer Donatella Versace is one of best known names in fashion today. She is the  younger sister of the late designer Gianni Versace. Donatella and Gianni learned about designing from their mother, who had a dressmaking business.
In less than 10 years, he built an empire worth $807 million. His sister took over the creative reins of the company after his death, serving as head of design, while his brother Santo became CEO. 'The Assassination of Gianni Versace'