Window louvers are those horizontal slats you see a lot in some cars from the 1980s and prior, along with more recent muscle cars like certain Mustangs and Camaros.

They settled on a unique facade which opens and closes on command to control the home's interior climate. The Screen House features moving wooden louvers around the exterior of the upper level.

SilverHorse Racing offers an exclusive line of window louvers for ’05-present Mustangs. Pictured here is its Flush-Mount Quarter-Vent Louver kit for ’10-current Mustangs (PN S297-300, $354.99).

Architects and designers on the window gaffes they see most often, ... Too-Small Shutters and Other Common Window Mistakes, ... “Nothing has as much effect on an interior space as a window. ...

Shutters have a frame that attaches to the wall around a window. This placement establishes an air pocket between the glass and the interior space, which acts as insulation, keeping heat in or out.

Reddit user carnvalOFoz posted a proof of concept for rear window louvers on the 2017 Mazda MX-5 Miata RF. They don’t look bad, especially for a Photoshop job.