Brochures The following brochures are in Adobe Acrobat PDF format. The larger documents may a few minutes to download. Coolbreeze Cascade and Heritage (561KB) Classic and Low-Profile evaporative coolers Solectair Ducted Solar Heating System (306KB) Free Heat from the Sun reduces the need for conventional heating Quietflo Duct & Components (182KB) Insulated flexible duct, Ezyvent Ceiling Diffusers, Hi-Flo Dropper Chutes and Relief Vents