Toronto winters on average seem to last 6 months while for Montreal it is 7 months. Also, Montreal gets more snow than Toronto on average. Montreal's average snowfall for a winter season is 85 inches and for Toronto it is 52 inches so on average Montreal gets almost 3 feet more snow than Toronto every winter season. Montreal seems to be at its best in summer, late spring, and early fall. I just don't see how it would be nearly as great in winter.
For a broken window (or leaking seal in multi-pane unit), for a standard roughly 2x3 foot window, can run from low of about $75-125 for single pane to more like $200-300 range for triple pane, depending on construction and any special ultraviolet or heat reflective coatings.
Get Quotes on Replacement Panes. Window pane replacements are normally a very good value. Replacing a window pane can bring a broken window back to life. This is worth the small replacement cost since it helps the energy efficiency come back and makes the room more comfortable once again.