Dvoutrubové
Dvoutrubové is a Czech term that translates to "twin-pipe" or "double-pipe." It most commonly refers to a type of chimney or ventilation system that utilizes two separate pipes within a single casing or structure. This design is often employed for efficient exhaust of combustion gases and simultaneous intake of fresh air, particularly in heating systems.
The primary advantage of a dvoutrubové system is its ability to preheat the incoming air by drawing
In some contexts, dvoutrubové might also describe other dual-channel structures, such as certain types of pipelines