A Home Energy Audit: Mansard Roof and Overhang
Early this morning we conducted a home energy audit of a small house with a Mansard roof. The main complaint is that the top floor is hotter than the 1st floor in summer and colder in winter. I went into the attic first and there is about 14″ of fiberglass insulation, we measured the house and started the blower door test. Under the new ASHRAE standards the
