The This Old House Hour

400 Years of Home Technology (14x22)

Air date: Apr 28, 2016

Work begins on the geothermal system; First Period homes are toured; the stairs and wall panels are built at the factory; and new technology to seal ductwork is spotlighted. In the second half: repairing an antique door; growing edible herbs indoors; and determining the cause of disappearing toilet water.