Maybe SAIT and U of C rent residence rooms in the summer, when the students are gone? Both have LRT access.
http://sait.ca/pages/studentservices...eHousing.shtml
http://www.ucalgary.ca/hotelandconference/create_tabs
Summer Housing is open to all – there is no need to be part of a group or be affiliated with the University of Calgary. Summer Housing is perfect for the budget conscious traveler who does not wish to compromise on quality or comfort.