Carbon intensity and the Ontario electrical grid

News broke this week that “the Ontario government plans to make the majority of the province’s buildings emissions-free by 2050 as part of a dramatic plan to meet its climate change goals.” The current version of the Ontario Building Code (OBC) has an energy...

Understanding heating loads in commercial buildings

We recently encountered some head-scratching results in an energy analysis of an existing office building in downtown Ottawa. This is an old building with out-of-date, metal-framed, leaky windows and we wanted to know what would happen if we replaced the old windows...