Shop Talk: The rise of modular residential and commercial construction What is the difference between mobile, manufactured and modular housing? What exactly is a voice-activated, electrically self-sustaining luxury home? What is the cost of factory-built modular construction versus traditional on-site construction? What about speed and quality of construction? Second-generation developer and builder John Rowland, president and co-founder of S2A Construction, joins the program to illuminate on advantages of construction in controlled factory environments. (01/2019)