Pacific coast
Generally milder winters with heavy rain and humidity; prioritize drainage, flashings and moisture control.
View prioritiesRenovate for climate, not just appearance
Windows, insulation, flashings, heating and ventilation must respond to local moisture, cold, wind and temperature swings.
B.C. interior and mountains
Large temperature swings, snow and highly local conditions by elevation.
View prioritiesPrairies
Cold winters, often dry air and large swings; air-barrier continuity and vapour management are critical.
View prioritiesSouthern Ontario and Quebec
Significant heating with hot humid summers; balance insulation, airtightness, shading and dehumidification.
View prioritiesAtlantic
Wind, rain, salt exposure and freeze-thaw cycles vary by area; drainage and corrosion resistance matter.
View prioritiesNorth and Arctic
Extreme cold, logistics, permafrost and parts availability; every detail must be site-specific.
View prioritiesV15
Remaining system checks not to miss
V15 covers issues that can block a project, cause a loss or become expensive once concealed.
V26
Often-overlooked service interfaces
V26 connects systems that cross utility, plumbing, HVAC, envelope and metering boundaries.