The windows of many buildings in America are adopt double hung style. The characteristics of this kind of windows bring out to be lively, beautiful, exquisite, exquisite, highly decorative and lighting and high-perspective.

Traditional windows such as fixed windows are difficult to clean. And widely used open outside swing windows only put attention to airtight and watertight function, but they are a little difficult to clean.

Oppositely, the marked characteristic of American double hung windows are easy to clean because they have no dusty corners. This kind of windows successfully solve the cleaning problem to make the indoor cleaning easily. You can flexibly push or pull the windows to clean , and it is safe and convenient. In one word,double hung windowsare easy to clean.