Efficient windows / Green Building & Sustainable Home Renovation Information & Advice

...windows. Tilt and turn windows are particularly prized in high-performance building for their reliable, long-term airtightness. Cost and durability Slider and hung windows are typically the most affordable option, followed by casement windows. Tilt and turn windows are generally the most expensive due to their complex ...

...windows (the ones that open) can work in several ways. Casement and awning windows wind open with a hand crank, sliders slide open sidesways, single and double hung windows open by sliding vertically. Single hung windows only slide up from the bottom, double hung means both sashes move, allowing you to slide them to th...