Interior louvered shutters are either custom shop fabrications or internet sales of the most common window dimensions.

There are currently no consistent thermal performance standards for interior louvered shutters. This website lists manufacturers offering a 10-year or more warranty on their products.

Installation of interior louvered shutters are accomplished by either DIY or retailer installation.

Alphabetical List of Qualifying Manufacturers and National Retailers:

- Horizon Shutters

- Hunter Douglas Interior Louvered Shutters

- Bali EuroVue Shutters

- Graber Wood & Aurora Shutters

- The Louver Shop

Representatvie Trade Association:

- Window Covering Manufacturers Assocation (WCMA)