What should humidity be in your house in winter? There’s no single number. The right humidity follows the outdoor thermometer. The best setting is the highest humidity your home can hold without condensation building up on your windows. For most Alberta homes, that means 30–40% in mild weather and lower as temperatures fall. Sherwood Mechanical explains how to find your home’s sweet spot, protect your windows, and stay comfortable all season. Read our guide on what humidity should be in your house in winter.