This company makes a duct cleaning system that lets you see the ductwork as it's being cleaned.

This Forth Worth, Texas company makes a duct cleaning system that lets contractors and customers see the ductwork as its being cleaned. The Video-Aire 3500 has a 9-in. (diagonal) color monitor, a built-in VCR and stands 38-in. tall and 14-in. deep. It also comes with an air brush, a 35-ft. cable and more.

Video-Aire International Inc., 2561 Gravel Drive, Fort Worth, TX 76118; 888/494-1711.

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