Two of the most popular window styles in Quebec — here is how casement and double hung models compare for energy, ventilation, and value.
Casement Windows in Detail
Casement windows hinge on the side and crank outward. They form one of the tightest possible seals because the closure presses the sash directly into a continuous weatherstrip.
Double Hung Windows in Detail
Double hung windows have two operating sashes that slide vertically. Both tilt inward for easy cleaning — a major advantage on upper floors.
Quick Comparison Table
- Energy efficiency — casement typically wins by 10–15%
- Ventilation — casement opens 100%, double hung 50%
- Cleaning — double hung tilts in, casement reaches from inside
- Cost — double hung is usually 5–10% cheaper for the same size
- Style — double hung suits traditional homes, casement suits modern
Which Should You Pick?
For cold-climate energy savings, casement wins. For heritage homes or upper floors that need easy cleaning, double hung is the practical choice.
Frequently Asked Questions
Are casement windows more expensive?
Slightly — expect 5–10% more than double hung for the same size and glazing.
Which is better for kitchens?
Casement — the full opening clears more air and the crank works easily over a counter.
Do double hung windows leak more?
Modern double hung windows are tight, but casement still wins in extreme winds.