Click either map to enlarge it.
Note that the continent-wide map fails to distinguish between Climate Zone 7 and Climate Zone 8. All of Alaska is in Zone 7 except for the following boroughs which are in Zone 8: Bethel, Dellingham, Fairbanks North Star, Nome, North Slope, Northwest Arctic, Southeast Fairbanks, Wade Hampton, and Yukon-Koyukuk.
Continental map is from GreenZone.com.
British Columbia map is from Illustrated Guide: Energy Efficiency Requirements for Houses in British Columbia.