Jalousie window vs louvre window

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A jalousie window is a window composed of horizontal parallel slats that may be opened in unison to different angles in order to let in light or air. The slats on a jalousie window are made of glass, aluminum, plastic or wood and are usually opened using a hand crank. Jalousie windows are useful in mild climates where it rains often, as jalousie windows may be opened at different angles in order to allow air circulation without allowing the rain to enter the home. Jalousie windows are not commonly found in colder climates, as they are not well-insulated. The term jalousie comes from the French word for jealousy, referring to the idea of spying through the slats of a jalousie window. The word jalousie may be used with or without the clarifying noun, window.

Louvre window is the British English term for jalousie window. The term louvre window is also found in Australia and New Zealand.


“We will remove the existing jalousie (louvre) type windows and replace them with timber shutter windows and blinds, which were the original type used in this church. (Free Malaysia Today)

Built atop stilts, the center boasted sweeping views of Florida Bay from its jalousie windows, served as a gateway to the nation’s only subtropical watery wilderness and introduced the concept of a visitor center at national parks. (The Miami Herald)

Who knew my little beach cottage, with its old-fashioned jalousie windows and Dade County pine floors, was too close to the beach should an tsunami-like storm surge come my way. (The Naples Daily News)

Additional louver window shutters were also installed to protect the glass jalousies from breaking due to strong winds. (The Manila Bulletin)

Altair louvre windows from Breezway were installed in the development to capture cooling breezes, and eliminate the need for air conditioning. (Architecture and Design Magazine)