Ah what the heck, just to make everyone happy (including myself) heres the top 10 in 2014 according to roof height. It becomes even more Toronto dominated
1. First Canadian Place - 298m / 978ft (Toronto)
2. Scotiaplaza - 275m / 902ft (Toronto)
3. Aura - 264m / 866ft (Toronto) despite what skyscraperpage says Aura does not have a spire
4. Trump Tower - 252m / 827ft (Toronto) to the top of the 'dome'
5. Commerce Court - 239m /784 (Toronto)
6. One Bloor - 237.7m / 780ft (Toronto)
7. The Bow - 236m / 774ft (Calgary)
8. Ice Condominiums II - 234.4m / 769ft (Toronto)
9. TD Canada Trust Tower - 227m / 745ft (Toronto)
10. Bay Adelaide Tower, West - 218m / 715ft (Toronto)